function varargout = McCabeThieleGUI(varargin)% MCCABETHIELEGUI M-file for McCabeThieleGUI.fig% MCCABETHIELEGUI, by itself, creates a new MCCABETHIELEGUI or raises the existing% singleton*.%% H = MCCABETHIELEGUI returns the handle to a new MCCABETHIELEGUI or the handle to% the existing singleton*.%% MCCABETHIELEGUI('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACK in MCCABETHIELEGUI.M with the given input arguments.%% MCCABETHIELEGUI('Property','Value',...) creates a new MCCABETHIELEGUI or raises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before McCabeThieleGUI_OpeningFunction gets called. An% unrecognized property name or invalid value makes property application% stop. All inputs are passed to McCabeThieleGUI_OpeningFcn via varargin.%% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one% instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES % Last Modified by GUIDE v2.5 06-Jul-2010 12:55:42 % Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @McCabeThieleGUI_OpeningFcn, ... 'gui_OutputFcn', @McCabeThieleGUI_OutputFcn, ... 'gui_LayoutFcn', [] , ... 'gui_Callback', []);if nargin && ischar(varargin{1}) gui_State.gui_Callback = str2func(varargin{1});end if nargout [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT % --- Executes just before McCabeThieleGUI is made visible.function McCabeThieleGUI_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA)

% varargin command line arguments to McCabeThieleGUI (see VARARGIN) set(handles.mixturepanel_buttongroup,'SelectionChangeFcn',@mixturepanel_buttongroup_SelectionChangeFcn); % Choose default command line output for McCabeThieleGUIhandles.output = hObject; % Update handles structureguidata(hObject, handles); % UIWAIT makes McCabeThieleGUI wait for user response (see UIRESUME)% uiwait(handles.figure1); % --- Outputs from this function are returned to the command line.function varargout = McCabeThieleGUI_OutputFcn(hObject, eventdata, handles) % varargout cell array for returning output args (see VARARGOUT);% hObject handle to figure% eventdata reserved - to be defined in a future version of MATLAB% handles structure with handles and user data (see GUIDATA) % Get default command line output from handles structurevarargout{1} = handles.output;%% Mixture Panel function mixturepanel_buttongroup_SelectionChangeFcn(hObject, eventdata) handles = guidata(hObject); switch get(eventdata.NewValue,'Tag') % Get Tag of selected object case 'methanolwater_radiobutton' %equilibrium data xMW = '[0 0.0200 0.0400 0.0600 0.0800 0.1000 0.1500 0.2000 0.3000 0.4000 0.5000 0.6000 0.7000 0.8000 0.9000 0.9500 1.0000]'; yMW = '[0 0.1340 0.2300 0.3040 0.3650 0.4180 0.5170 0.5790 0.6650 0.7290 0.7790 0.8250 0.8700 0.9150 0.9580 0.9790 1.0000]'; set(handles.userdefined_input,'Enable','Off') set(handles.userdefined_input2,'Enable','Off') set(handles.userdefined_input,'String',xMW) set(handles.userdefined_input2,'String',yMW) %hold off %methanol-water mixture %polynomial regression and plot of equilibrium data %p = polyfit(xMW,yMW,6); %x = 0:.1:100; %y = polyval(p,x); %plot(xMW,yMW) %hold on %axis([0 1 0 1]) %plot(x,y) %plot(x,x) %xlabel('Liquid Mole Fraction of Methanol') %ylabel('Vapor Mole Fraction of Methanol')

%title('McCabe-Thiele Diagram for Methanol-Water') case 'ethanolwater_radiobutton' %equilibrium data xEW = '[0 0.0190 0.0721 0.0966 0.1238 0.1661 0.2337 0.2608 0.3273 0.3965 0.5198 0.5732 0.6763 0.7472 0.8943 1.0000]'; yEW = '[0 0.1700 0.3891 0.4375 0.4704 0.5089 0.5445 0.5580 0.5826 0.6122 0.6599 0.6841 0.7385 0.7815 0.8943 1.0000]'; xeq = num2str(xEW); yeq = num2str(yEW); set(handles.userdefined_input,'Enable','Off') set(handles.userdefined_input2,'Enable','Off') set(handles.userdefined_input,'String',xeq) set(handles.userdefined_input2,'String',yeq) %hold off %ethanol-water mixture %polynomial regression and plot of equilibrium data %p = polyfit(xEW,yEW,8); %x = 0:.1:100; %y = polyval(p,x); %plot(x,y) %plot(xEW,yEW) %hold on %axis([0 1 0 1]) %plot(x,x) %xlabel('Liquid Mole Fraction of Ethanol') %ylabel('Vapor Mole Fraction of Ethanol') %title('McCabe-Thiele Diagram for Ethanol-Water') case 'acetonethanol_radiobutton' %equilibrium data xAE = '[0 0.1000 0.1500 0.2000 0.2500 0.3000 0.3500 0.4000 0.5000 0.6000 0.7000 0.8000 0.9000 1.0000]'; yAE = '[0 0.2620 0.3480 0.4170 0.4780 0.5240 0.5660 0.6050 0.6740 0.7390 0.8020 0.8650 0.9290 1.0000]'; set(handles.userdefined_input,'Enable','Off') set(handles.userdefined_input2,'Enable','Off') set(handles.userdefined_input,'String',xAE) set(handles.userdefined_input2,'String',yAE) %hold off %acetone-ethanol mixture %polynomial regression and plot of equilibrium data %p = polyfit(xAE,yAE,6); %x = 0:.1:100; %y = polyval(p,x); %plot(xAE,yAE) %hold on %plot(x,y) %plot(x,x) %axis([0 1 0 1]) %xlabel('Liquid Mole Fraction of Acetone') %ylabel('Vapor Mole Fraction of Acetone') %title('McCabe-Thiele Diagram for Acetone-Ethanol') case 'userdefined_radiobutton'

hold off %User Defined Input choice = menu('Input Equilibrium Data as a Row Vector or as a Relative Volatility (alpha)','Vector','Alpha'); switch choice case 1 set(handles.userdefined_input,'Enable','On') set(handles.userdefined_input2,'Enable','On') set(handles.userdefined_input,'String','[Liquid Mole Fractions]') set(handles.userdefined_input2,'String','[Vapor Mole Fractions]') warndlg('Enlose your vectors with brackets and single quotes', 'Warning'); %disp('You must enter your own equilibrium data in vector form ') %MVC = input('Enter the name of the more volatile component ','s'); %LVC = input('Enter the name of the less volatile component ','s'); %xU = input('Enter liquid mole fraction data as a row vector (use brackets) \n'); %a = length(xU); %fprintf('You have entered %1.0f "x" data points, you must enter an equal number of y data points \n',a) %yU = input('Enter vapor phase mole fraction data as a row vector (use brackets) \n'); %b = length(yU); %if a == b %plot(xU,yU,'o') %hold on %p = polyfit(xU,yU,6); %x = 0:.1:100; %y = polyval(p,x); %plot(x,y) %plot(x,x) %x_label = sprintf('Liquid Phase Mole Fraction of %s',MVC); %y_label = sprintf('Vapor Phase Mole Fraction of %s',MVC); %t_itle = sprintf('McCabe-Thiele Diagram for %s-%s',MVC,LVC); %xlabel(x_label) %ylabel(y_label) %title(t_itle) %else %disp('Equilibrium data does not match, vectors must be equal lengths') %end case 2 set(handles.userdefined_input,'Enable','On') set(handles.userdefined_input2,'String','[]') set(handles.userdefined_input,'String','<Enter Relative Volatility>') endend%updates the handles structureguidata(hObject, handles);

function userdefined_input_Callback(hObject, eventdata, handles)% --- Executes during object creation, after setting all properties.function userdefined_input_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');endfunction userdefined_input2_Callback(hObject, eventdata, handles)% --- Executes during object creation, after setting all properties.function userdefined_input2_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %% Column Pressure Checkbox %Column Pressure Inputfunction pressureinput_Callback(hObject, eventdata, handles)% Hints: get(hObject,'String') returns contents of pressureinput as text% str2double(get(hObject,'String')) returns contents of pressureinput as a double % --- Executes during object creation, after setting all properties.function pressureinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end function columnpressure_checkbox_Callback(hObject, eventdata, handles) checkbox1_Status = get(handles.columnpressure_checkbox,'Value');if checkbox1_Status == 0 set(handles.pressureinput,'String',' ')else set(handles.pressureinput,'Enable','On') set(handles.pressureinput,'String','<Enter Column Pressure>')end %% Feed%% Feed Flow Rate%Feed Flow Rate Inputfunction feedflowinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function feedflowinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white'); end

%Feed Flow Rate Checkboxfunction feedflowrate_checkbox_Callback(hObject, eventdata, handles) checkbox2_Status = get(handles.feedflowrate_checkbox,'Value'); if checkbox2_Status == 0 set(handles.feedflowinput,'Enable','Off') set(handles.feedflowinput,'String',' ');else set(handles.feedflowinput,'Enable','On') set(handles.feedflowinput,'String','<Enter Feed Flow Rate>')end %% Feed Composition of the Volatile Component Inputfunction feedcompvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function feedcompvolatile_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Feed Composition of the Less Volatile Component Inputfunction feedcomplessvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function feedcomplessvolatile_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Feed Composition Checkboxfunction feedcomposition_checkbox_Callback(hObject, eventdata, handles) checkbox3_Status = get(handles.feedcomposition_checkbox,'Value'); if checkbox3_Status == 0 set(handles.feedcompvolatile,'Enable','Off') set(handles.feedcomplessvolatile,'Enable','Off') set(handles.feedcompvolatile,'String',' ') set(handles.feedcomplessvolatile,'String',' ')else set(handles.feedcompvolatile,'Enable','On') set(handles.feedcomplessvolatile,'Enable','On') set(handles.feedcompvolatile,'String','<Volatile>') set(handles.feedcomplessvolatile,'String','<Non-Volatile>')end %% Feed Enthalpy %Feed Enthalpy Inputfunction feedenthalpyinput_Callback(hObject, eventdata, handles)function feedenthalpyinput_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Feed Enthalpy Checkboxfunction feedenthalpy_Callback(hObject, eventdata, handles) checkbox4_Status = get(handles.feedenthalpy,'Value'); if checkbox4_Status == 0 set(handles.feedenthalpyinput,'Enable','Off') set(handles.feedenthalpyinput,'String',' ')else set(handles.feedenthalpyinput,'Enable','On') set(handles.feedenthalpyinput,'String','<Feed Enthalpy>')end %Reboiler Duty Inputfunction reboilerdutyinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function reboilerdutyinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end % Reboiler Duty Checkboxfunction reboilerdutycheckbox_Callback(hObject, eventdata, handles) checkbox7_Status = get(handles.reboilerdutycheckbox,'Value');if checkbox7_Status == 0 set(handles.reboilerdutyinput,'Enable','Off') set(handles.reboilerdutyinput,'String',' ')else set(handles.reboilerdutyinput,'Enable','On') set(handles.reboilerdutyinput,'String','<Reboiler Duty>')end %% Distillate composition %Distillate Composition, Volatile Component Inputfunction distcompvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function distcompvolatile_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');

end %Distillate Composition of the less Volatile Component Inputfunction distcomplessvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function distcomplessvolatile_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Distillate composition checkboxfunction distillatecomposition_checkbox_Callback(hObject, eventdata, handles) checkbox9_Status = get(handles.distillatecomposition_checkbox,'Value'); if checkbox9_Status == 0 set(handles.distcompvolatile,'Enable','Off') set(handles.distcomplessvolatile,'Enable','Off') set(handles.distcompvolatile,'String',' ') set(handles.distcomplessvolatile,'String',' ')else set(handles.distcompvolatile,'Enable','On') set(handles.distcomplessvolatile,'Enable','On') set(handles.distcompvolatile,'String','<Volatile>') set(handles.distcomplessvolatile,'String','<Non-Volatile>')end %% Reflux Ratio%Reflux Ratio Inputfunction refluxratio_input_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function refluxratio_input_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end function minimumrefluxinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function minimumrefluxinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Reflux Ratio Checkboxfunction refluxratio_checkbox_Callback(hObject, eventdata, handles) checkbox11_Status = get(handles.refluxratio_checkbox,'Value'); if checkbox11_Status == 0

set(handles.refluxratio_input,'Enable','Off') set(handles.refluxratio_input,'String',' ') set(handles.minimumrefluxinput,'Enable','Off') set(handles.minimumrefluxinput,'String',' ')elseif checkbox11_Status == 1 choice = menu('Are you specifying minimum reflux or actual reflux','Actual','Minumum'); switch choice case 1 set(handles.refluxratio_input,'Enable','On') set(handles.refluxratio_input,'String','<Reflux Ratio>') set(handles.minimumrefluxinput,'Enable','Off') set(handles.minimumrefluxinput,'String',' ') case 2 Rmin = str2double(get(handles.minimumrefluxinput,'String')); if isnan(Rmin) == 1 set(handles.refluxratio_input,'Enable','On') set(handles.refluxratio_input,'String','<Operating Factor>') set(handles.minimumrefluxinput,'Enable','On') set(handles.minimumrefluxinput,'String','<Minumum Reflux>') elseif isnan(Rmin) == 0 set(handles.refluxratio_input,'Enable','On') set(handles.refluxratio_input,'String','<Operating Factor>') set(handles.minimumrefluxinput,'Enable','Off') end end end %% Bottoms Composition%Bottoms Composition of the Less Volatile Component Inputfunction botcomplessvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function botcomplessvolatile_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Bottoms Composition of the Volatile Component Inputfunction botcompvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function botcompvolatile_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Bottoms Composition Checkboxfunction bottomscomposition_checkbox_Callback(hObject, eventdata, handles) checkbox10_Status = get(handles.bottomscomposition_checkbox,'Value');

if checkbox10_Status == 0 set(handles.botcomplessvolatile,'Enable','Off') set(handles.botcompvolatile,'Enable','Off') set(handles.botcomplessvolatile,'String',' ') set(handles.botcompvolatile,'String',' ')elseif checkbox10_Status == 1 set(handles.botcomplessvolatile,'Enable','On') set(handles.botcompvolatile,'Enable','On') set(handles.botcompvolatile,'String','<Volatile>') set(handles.botcomplessvolatile,'String','<Non-Volatile>')end %% Optimum Feed Plate %Optimum Feed Plate Checkboxfunction optimumfeedplate_Callback(hObject, eventdata, handles) %% Distillate Flow Rate%Distillate Flow Rate Inputfunction distillateflowrateinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function distillateflowrateinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Distillate Flow Rate Checkboxfunction distillateflowrate_checkbox_Callback(hObject, eventdata, handles)checkbox14_Status = get(handles.distillateflowrate_checkbox,'Value'); if checkbox14_Status == 0 set(handles.distillateflowrateinput,'Enable','Off') set(handles.distillateflowrateinput,'String',' ')else set(handles.distillateflowrateinput,'Enable','On') set(handles.distillateflowrateinput,'String','<Enter Distillate Flow Rate>')end %% Fractional Recoveries %Fractional Recovery of the Volatile Component in the Distillate Inputfunction fracrecoveryvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function fracrecoveryvolatile_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Fractional Recovery of the Less Volatile Component in the Bottoms Inputfunction fracrecoverylessvolatile_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function fracrecoverylessvolatile_CreateFcn(hObject, eventdata, handles)

if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Fractional Recoveries Checkboxfunction fractionalrecoveries_checkbox_Callback(hObject, eventdata, handles) checkbox12_Status = get(handles.fractionalrecoveries_checkbox,'Value'); if checkbox12_Status == 0 set(handles.fracrecoveryvolatile,'Enable','Off') set(handles.fracrecoverylessvolatile,'Enable','Off') set(handles.fracrecoveryvolatile,'String','0') set(handles.fracrecoverylessvolatile,'String','0')else set(handles.fracrecoveryvolatile,'Enable','On') set(handles.fracrecoverylessvolatile,'Enable','On') set(handles.fracrecoveryvolatile,'String','<Volatile>') set(handles.fracrecoverylessvolatile,'String','<Non-Volatile>')end %% Bottoms Flow Rate function bottomsflowrateinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function bottomsflowrateinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Bottoms Flow Rate Checkboxfunction bottomsflowrate_checkbox_Callback(hObject, eventdata, handles)checkbox15_Status = get(handles.bottomsflowrate_checkbox,'Value');if checkbox15_Status == 0 set(handles.bottomsflowrateinput,'Enable','Off') set(handles.bottomsflowrateinput,'String',' ')else set(handles.bottomsflowrateinput,'Enable','On') set(handles.bottomsflowrateinput,'String','<Enter Bottoms Flow Rate>')end %% Boilup Ratio Checkbox %Boilup Ratio Inputfunction boilupratioinput_Callback(hObject, eventdata, handles) function boilupratioinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end function boilupratio_checkbox_Callback(hObject, eventdata, handles)

checkbox15_Status = get(handles.boilupratio_checkbox,'Value'); if checkbox15_Status == 0 set(handles.boilupratioinput,'Enable','Off') set(handles.boilupratioinput,'String',' ')elseif checkbox15_Status == 1 set(handles.boilupratioinput,'Enable','On') set(handles.boilupratioinput,'String','<Enter Boilup Ratio>')elseif checkbox15_Status == 0 && checkbox11_Status == 1 && checkbox6_Status == 1 && checkbox9_Status == 1 set(handles.boilupratioinput,'Enable','Off') set(handles.boilupratioinput,'String',' ') xi = (-(Q-1)*(1-R/(R+1))*xd-zf)/((Q-1)*R/(R+1)-Q); yi = (zf+xd*Q/R)/(1+Q/R); xs = linspace(xb,xi); ys = linspace(xb,yi); plot(xs,ys) hold onend %% Feed Quality %Feed Quality Inputfunction feedqualityinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function feedqualityinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Feed Quality Checkboxfunction feedquality_checkbox_Callback(hObject, eventdata, handles) checkbox6_Status = get(handles.feedquality_checkbox,'Value'); if checkbox6_Status == 0 set(handles.feedqualityinput,'Enable','Off') set(handles.feedqualityinput,'String',' ')else set(handles.feedqualityinput,'Enable','On') set(handles.feedqualityinput,'String','<Enter Feed Quality>')end %Condenser Duty Inputfunction condenserdutyinput_Callback(hObject, eventdata, handles)function condenserdutyinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end

%Condenser Duty Checkboxfunction condenserdutycheckbox_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function condenserdutycheckbox_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end checkbox5_Status = get(handles.condenserdutycheckbox,'Value');if checkbox5_Status == 0 set(handles.condenserdutyinput,'Enable','Off') set(handles.condenserdutyinput,'String',' ')else set(handles.condenserdutyinput,'Enable','On') set(handles.condenserdutyinput,'String','<Enter Condenser Duty>')end %Reflux Enthalpy Inputfunction refluxenthalpyinput_Callback(hObject, eventdata, handles)% --- Executes during object creation, after setting all properties.function refluxenthalpyinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end%Reflux Enthalpy Checkboxfunction refluxenthalpy_Callback(hObject, eventdata, handles) checkbox8_Status = get(handles.refluxenthalpy,'Value');if checkbox8_Status == 0 set(handles.refluxenthalpyinput,'Enable','Off') set(handles.refluxenthalpyinput,'String',' ')else set(handles.refluxenthalpyinput,'Enable','On') set(handles.refluxenthalpyinput,'String','<Reflux Enthalpy>')end %Boilup Enthalpy Inputfunction boilupenthalpyinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function boilupenthalpyinput_CreateFcn(hObject, eventdata, handles)if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end %Boilup Enthalpy Checkboxfunction boilupenthalpycheckbox_Callback(hObject, eventdata, handles)checkbox20_Status = get(handles.boilupenthalpycheckbox,'Value');if checkbox20_Status == 0 set(handles.boilupenthalpyinput,'Enable','Off')

set(handles.boilupenthalpyinput,'String',' ')else set(handles.boilupenthalpyinput,'Enable','On') set(handles.boilupenthalpyinput,'String','<Boilup Enthalpy>')end %Distillate Enthalpy function distillateenthalpyinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function distillateenthalpyinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end % --- Executes on button press in distillateenthalpycheckbox.function distillateenthalpycheckbox_Callback(hObject, eventdata, handles)checkbox21_Status = get(handles.distillateenthalpycheckbox,'Value');if checkbox21_Status == 0 set(handles.distillateenthalpyinput,'Enable','Off') set(handles.distillateenthalpyinput,'String',' ')else set(handles.distillateenthalpyinput,'Enable','On') set(handles.distillateenthalpyinput,'String','<Distillate Enthalpy>')end %Bottoms enthalpyfunction bottomsenthalpyinput_Callback(hObject, eventdata, handles) % --- Executes during object creation, after setting all properties.function bottomsenthalpyinput_CreateFcn(hObject, eventdata, handles) if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor')) set(hObject,'BackgroundColor','white');end % --- Executes on button press in bottomsenthalpycheckbox.function bottomsenthalpycheckbox_Callback(hObject, eventdata, handles)checkbox22_Status = get(handles.bottomsenthalpycheckbox,'Value');if checkbox22_Status == 0 set(handles.bottomsenthalpyinput,'Enable','Off') set(handles.bottomsenthalpyinput,'String',' ')else set(handles.bottomsenthalpyinput,'Enable','On') set(handles.bottomsenthalpyinput,'String','<Bottoms Enthalpy>')end % --- Executes on button press in startbutton.function startbutton_Callback(hObject, eventdata, handles) % Get Values

Alpha = str2double(get(handles.userdefined_input,'String')); P = str2double(get(handles.pressureinput,'String'));F = str2double(get(handles.feedflowinput,'String'));zf = str2double(get(handles.feedcompvolatile,'String'));zfnv = str2double(get(handles.feedcomplessvolatile,'String'));xd = str2double(get(handles.distcompvolatile,'String'));xdnv = str2double(get(handles.distcomplessvolatile,'String'));xb = str2double(get(handles.botcompvolatile,'String'));xbnv = str2double(get(handles.botcomplessvolatile,'String'));D = str2double(get(handles.distillateflowrateinput,'String'));fv = str2double(get(handles.fracrecoveryvolatile,'String'));fnv = str2double(get(handles.fracrecoverylessvolatile,'String'));B = str2double(get(handles.bottomsflowrateinput,'String'));S = str2double(get(handles.boilupratioinput,'String'));Q = str2double(get(handles.feedqualityinput,'String'));R = str2double(get(handles.refluxratio_input,'String'));Rmin = str2double(get(handles.minimumrefluxinput,'String'));hf = str2double(get(handles.feedenthalpyinput,'String'));hD = str2double(get(handles.refluxenthalpyinput,'String'));hB = str2double(get(handles.boilupenthalpyinput,'String'));Qc = str2double(get(handles.condenserdutyinput,'String'));Qr = str2double(get(handles.reboilerdutyinput,'String'));HD = str2double(get(handles.distillateenthalpyinput,'String'));HB = str2double(get(handles.bottomsenthalpyinput,'String')); %xie = 1/2*(-Q+zf*Alpha+Q*Alpha-zf-Alpha+(2*Q*Alpha^2*zf+Q^2-2*Q*zf+2*zf*Alpha-2*zf^2*Alpha+zf^2*Alpha^2-2*zf*Alpha^2+zf^2+2*Q*Alpha-2*Q^2*Alpha+Alpha^2+Q^2*Alpha^2-2*Q*Alpha^2)^(1/2))/Q/(-1+Alpha);%yie = xie*Alpha/(1-xie+xie*Alpha);xi = (-(Q-1)*(1-R/(R+1))*xd-zf)/((Q-1)*R/(R+1)-Q);yi = (zf+xd*Q/R)/(1+Q/R); %Error Tests %Feed Quality & Feed Linecheckbox6_Status = get(handles.feedquality_checkbox,'Value');if checkbox6_Status == 0 errordlg('Feed quality must be specified') returnelseif checkbox6_Status == 1 && isnan(Q) == 1 errordlg('Feed quality must be specified') returnelseif checkbox6_Status == 1 && isnan(Q) == 0 ye = 0:.001:1; if Q > -inf && Q <1 xf = 0:.001:1; elseif Q > 1 xf = zf:.001:1; end if Q ~= 1 yf = yfeed(xf,Q,zf); elseif Q == 1 yf = 0:.001:1; xf = zf*ones(length(yf)); end end

%Equilibrium Dataif any(isnan(Alpha)) == 1 xeq = str2num(get(handles.userdefined_input,'String')); yeq = str2num(get(handles.userdefined_input2,'String')); %Error Test on Equilibrium Vector Length if length(yeq) ~= length(xeq) && isempty(yeq) == 1 && length(xeq) > 1 errordlg('Equilibrium data does not match') return elseif length(yeq) == length(xeq) && length(xeq) < 10 errordlg('Too few data points will give a poor equilibrium curve') else k = 1; %k is a constant, metric for stepping off equilibrium stages endelseif isnan(Alpha) == 0 && length(Alpha) == 1 yeq = []; if Alpha <= 1 errordlg('Relative volatility must be greater than 1') return elseif Alpha > 1 k = 2; endendif k == 1 xx = 0:.001:1; yy = spline(xeq,yeq,xx); if Q == 0 xx = .001:.001:1.001; yy = spline(xeq,yeq,xx); diffe = abs(yy-zf); [a b] = min(diffe) ; xie = xx(b); yie = zf; elseif Q == 1 yie = spline(xeq,yeq,zf); xie = zf; elseif Q~=0 && Q~=1 diffe = abs(yy-yf); [a b] = min(diffe); xie = xx(b); yie = yy(b); endelseif k == 2 xie = 1/2*(-Q+zf*Alpha+Q*Alpha-zf-Alpha+(2*Q*Alpha^2*zf+Q^2-2*Q*zf+2*zf*Alpha-2*zf^2*Alpha+zf^2*Alpha^2-2*zf*Alpha^2+zf^2+2*Q*Alpha-2*Q^2*Alpha+Alpha^2+Q^2*Alpha^2-2*Q*Alpha^2)^(1/2))/Q/(-1+Alpha); yie = xie*Alpha/(1-xie+xie*Alpha);end %Overall Mass Balancecheckbox2_Status = get(handles.feedflowrate_checkbox,'Value');checkbox17_Status = get(handles.distillateflowrate_checkbox,'Value');checkbox18_Status = get(handles.bottomsflowrate_checkbox,'Value');l = [checkbox2_Status checkbox17_Status checkbox18_Status]; %l is a status vector for mass flow streamsif any([F D B]< 0) errordlg('Mass flow rates must be greater than zero')

returnelseif sum(l) == 3 && D + B ~= F errordlg('The mass balance is incorrect') return elseif sum(l) == 2 if isnan(F) == 0 if isnan(B) == 0 D = F - B; Ds = num2str(D); set(handles.distillateflowrateinput,'String',Ds) elseif isnan(D) == 0 B = F - D; Bs = num2str(B); set(handles.bottomsflowrateinput,'String',Bs) end elseif isnan(F) == 1 F = B + D; Fs = num2str(F); set(handles.feedflowinput,'String',Fs) endend %Feed Compositioncheckbox3_Status = get(handles.feedcomposition_checkbox,'Value');if checkbox3_Status == 1 if isnan(zf) == 1 && isnan(zfnv) == 1 errordlg('Feed composition must be a real number') return elseif isnan(zf) == 0 && isnan(zfnv) == 1 zfnv = 1 - zf; zfnv = num2str(zfnv); set(handles.feedcomplessvolatile,'String',zfnv) elseif isnan(zf) == 1 && isnan(zfnv) == 0 zf = 1 - zfnv; zf = num2str(zf); set(handles.feedcompvolatile,'String',zf) elseif isnan(zf) == 0 && isnan(zfnv) == 0 if zf + zfnv ~= 1 errordlg('Mole fractions must add up to 1') return elseif zf < 0 || zf > 1 || zfnv < 0 || zfnv > 1 errordlg('Mole fractions must be between 0 and 1') return end endend %Distillate Compositioncheckbox9_Status = get(handles.distillatecomposition_checkbox,'Value');if checkbox9_Status == 1 if isnan(xd) && isnan(xdnv) errordlg('Distillate composition must be a real number') return elseif isnan(xd) == 0 && isnan(xdnv) == 1 xdnv = 1 - xd; xdnvs = num2str(xdnv); set(handles.distcomplessvolatile,'String',xdnvs)

elseif isnan(xd) == 1 && isnan(xdnv) == 0 xd = 1 - xdnv; xds = num2str(xd); set(handles.distcompvolatile,'String',xds) elseif isnan(xd) == 0 && isnan(xdnv) == 0 if xd + xdnv ~= 1 errordlg('Mole fractions must add up to 1') return elseif xd < 0 || xd > 1 || xdnv < 0 || xdnv > 1 errordlg('Mole fractions must be between 0 and 1') return end end end %Bottoms Compositioncheckbox10_Status = get(handles.bottomscomposition_checkbox,'Value');if checkbox10_Status == 1 if isnan(xb) == 1 && isnan(xbnv) == 1 errordlg('Bottoms composition must be a real number') return elseif isnan(xb) == 0 && isnan(xbnv) == 1 xbnv = 1 - xb; xbnvs = num2str(xbnv); set(handles.botcomplessvolatile,'String',xbnvs) elseif isnan(xb) == 1 && isnan(xbnv) == 0 xb = 1 - xbnv; xbs = num2str(xb); set(handles.botcompvolatile,'String',xbs) elseif isnan(xb) == 0 && isnan(xbnv) == 0 if xb + xbnv ~= 1 errordlg('Mole fractions must add up to 1') return elseif xb < 0 || xb > 1 || xbnv < 0 || xbnv > 1 errordlg('Mole fractions must be between 0 and 1') return end endend %Test to see if the mass balance has converged%lk is a status vector for feed stream compositionslk = [checkbox3_Status checkbox9_Status checkbox10_Status];if sum(lk) == 3 if sum(l) == 1 if isnan(F) == 0 if isnan(D) == 1 && isnan(B) == 1 D = F*(zf-xb)/(xd-xb); Ds = num2str(D); set(handles.distillateflowrateinput,'String',Ds) B = F - D; Bs = num2str(B); set(handles.bottomsflowrateinput,'String',Bs) fv = D*xd/F/zf; fvs = num2str(fv); set(handles.fracrecoveryvolatile,'String',fvs)

fnv = B*(1-xb)/F/(1-zf); fnvs = num2str(fnv); set(handles.fracrecoverylessvolatile,'String',fnvs) end end elseif sum(l) == 2 if isnan(F) == 0 if isnan(D) == 0 Dk = F*(zf-xb)/(xd-xb); Bk = F - Dk; if D ~= Dk Ds = num2str(Dk); set(handles.distillateflowrateinput,'String',Ds) Bk = F-Dk; Bs = num2str(Bk); set(handles.bottomsflowrateinput,'String',Bs) fv = D*xd/F/zf; fvs = num2str(fv); set(handles.fracrecoveryvolatile,'String',fvs) fnv = B*(1-xb)/F/(1-zf); fnvs = num2str(fnv); set(handles.fracrecoverylessvolatile,'String',fnvs) end if B ~= Bk Bs = num2str(Bk); set(handles.bottomsflowrateinput,'String',Bs) Dk = F-Bk; Ds = num2str(Dk); set(handles.distillateflowrateinput,'String',Ds) fv = D*xd/F/zf; fvs = num2str(fv); set(handles.fracrecoveryvolatile,'String',fvs) fnv = B*(1-xb)/F/(1-zf); fnvs = num2str(fnv); set(handles.fracrecoverylessvolatile,'String',fnvs) end end end endelseif sum(lk) == 1 && isnan(zf) == 0checkbox12_Status = get(handles.fractionalrecoveries_checkbox,'Value'); if sum(l) == 2 || sum(l) == 3 %Fractional Recoveries if checkbox12_Status == 1 if any(isnan([fv fnv])) == 1 errordlg('Fractional recovery must be a real number') return elseif any([fv fnv]>=1) || any([fv fnv]<0) errordlg('Fractional recovery must be between 0 and 1') return elseif any([fv fnv]==1) errordlg('100 percent recovery is physically impossible, try a different value') return else xd = fv/D*F*zf; xds = num2str(xd);

set(handles.distcompvolatile,'String',xds) xb = 1-fnv/(F-D)*F*(1-zf); xbs = num2str(xb); set(handles.botcompvolatile,'String',xbs) end end elseif checkbox12_Status == 0 errordlg('The system is underspecified') return endend %Fractional Recoveriescheckbox12_Status = get(handles.fractionalrecoveries_checkbox,'Value');if checkbox12_Status == 0 if all(isnan([F D B zf xd xb])) == 0 fv = D*xd/F/zf; fvs = num2str(fv); set(handles.fracrecoveryvolatile,'String',fvs) fnv = B*(1-xb)/F/(1-zf); fnvs = num2str(fnv); set(handles.fracrecoverylessvolatile,'String',fnvs) endend %Feed Enthalpycheckbox4_Status = get(handles.feedenthalpy,'Value');if checkbox4_Status == 1 && isnan(hf) == 1 errordlg('Feed enthalpy must be a real number') returnend %Condenser Dutycheckbox5_Status = get(handles.condenserdutycheckbox,'Value');if checkbox5_Status == 1 && isnan(Qc) == 1 errordlg('Condenser duty must be a real number') returnend %Reboiler Dutycheckbox7_Status = get(handles.reboilerdutycheckbox,'Value');if checkbox7_Status == 1 && isnan(Qr) == 1 errordlg('Reboiler duty must be a real number') returnend %Reflux Enthalpycheckbox8_Status = get(handles.refluxenthalpy,'Value');if checkbox8_Status == 1 && isnan(hD) == 1 errordlg('Reflux enthalpy must be a real number') returnend

%Reflux Ratiocheckbox11_Status = get(handles.refluxratio_checkbox,'Value');if checkbox11_Status == 1 if isnan(R) == 1 && isnan(Rmin) == 1 errordlg('Reflux ratio must be a real number') return elseif R < 0 errordlg('Reflux ratio must be greater than 0') return elseif Rmin < 0 errordlg('Minumum reflux must be greater than 0') return elseif isnan(Rmin) == 0 && isnan(R) == 1 errordlg('You must specify an operating factor') return endelseif checkbox11_Status == 0 if isnan(xd) == 1 && isnan(Q) == 1 errordlg('You must specify feed quality and distillate composition') return elseif isnan(xd) == 0 && isnan(Q) == 1 errordlg('You must specify feed quality') return elseif isnan(xd) == 1 && isnan(Q) == 0 errordlg('You must specify distillate composition') return elseif isnan(Rmin) == 1 && isnan(Q) == 0 && isnan(xd) == 0 if isnan(Alpha) == 0 if isnan(R) == 1 Emin = (xd-yie)/(xd-xie); Rmin = Emin/(1-Emin); Rmins = num2str(Rmin); set(handles.minimumrefluxinput,'String',Rmins) errordlg('Minimum reflux has been calculated and returned but you must specify an operating factor') return elseif isnan(R) == 0 Emin = (xd-yie)/(xd-xie); Rmin = Emin/(1-Emin); Rmins = num2str(Rmin); R = R*Rmin; Rs = num2str(R); set(handles.minimumrefluxinput,'String',Rmins) set(handles.refluxratio_input,'String',Rs) elseif isnan(Rmin) == 0 && isnan(R) == 1 errordlg('You must specify an operating factor') return end elseif isnan(Alpha) == 1 && k ==1 if isnan(R) == 1 Emin = (xd-yie)/(xd-xie); Rmin = Emin/(1-Emin); Rmins = num2str(Rmin); set(handles.minimumrefluxinput,'String',Rmins) errordlg('Minimum reflux has been calculated and returned but you must specify an operating factor') return

elseif isnan(R) == 0 Emin = (xd-yie)/(xd-xie); Rmin = Emin/(1-Emin); Rmins = num2str(Rmin); R = R*Rmin; Rs = num2str(R); set(handles.minimumrefluxinput,'String',Rmins) set(handles.refluxratio_input,'String',Rs) elseif isnan(Rmin) == 0 && isnan(R) == 1 errordlg('You must specify an operating factor') return end end endend %Optimum Feed Platecheckbox12_Status = get(handles.optimumfeedplate,'Value');if checkbox12_Status == 0 errordlg('This version does not support non-optimum feed plate') returnend %Boilup Ratioif S < 0 errordlg('Boilup ratio must be greater than 0') returnend %Boilup Enthalpycheckbox20_Status = get(handles.boilupenthalpycheckbox,'Value');if checkbox20_Status == 1 && isnan(hB) == 1 errordlg('Boilup enthalpy must be a real number') returnend %Pressureif P < 0 errordlg('Pressure must be greater than 0')end %Energy Balance%checkbox4_Status = get(handles.feedenthalpy,'Value');%checkbox5_Status = get(handles.condenserdutycheckbox,'Value');%checkbox7_Status = get(handles.reboilerdutycheckbox,'Value');%checkbox8_Status = get(handles.refluxenthalpy,'Value');%checkbox20_Status = get(handles.boilupenthalpycheckbox,'Value');%checkbox21_Status = get(handles.distillateenthalpycheckbox,'Value');%checkbox22_Status = get(handles.bottomsenthalpycheckbox,'Value');%jkl = [checkbox4_Status checkbox5_Status checkbox7_Status checkbox8_Status checkbox20_Status checkbox21_Status checkbox22_Status]; %Status vector%Condenser Energy Balanceif isnan(Qc) == 0 if isnan(hD) == 1 hD = Qc/D/(R+1)*3600; hDs = num2str(hD); set(handles.refluxenthalpyinput,'String',hDs)

endelseif isnan(hD) == 0 if isnan(Qc) == 1 Qc = hB*D*(R+1)/3600; Qcs = num2str(Qc); set(handles.condenserdutyinput,'String',Qcs) endend%Reboiler Energy Balanceif isnan(Qr) == 0 if isnan(hB) == 1 hB = Qr/B/S*3600; hBs = num2str(hB); set(handles.boilupenthalpyinput,'String',hBs) endelseif isnan(hB) == 0 if isnan(Qr) == 1 Qr = B*S*hB/3600; Qrs = num2str(Qr); set(handles.reboilerdutyinput,'String',Qrs) endend%jklm = [isnan(F) isnan(hf) isnan(Qc) isnan(Qr) isnan(B) isnan(HB) isnan(D) isnan(HD)];%if sum(jklm) == 0 % if F*hf + Qc + Qr - B*HB - D*HD >= 100 % errordlg('The energy balance is not correct')% return% end%end %Equilibrium Curvesif k ==1 %Vector xx = 0:.001:1; yy = spline(xeq,yeq,xx); hold off plot(xx,yy) axis([0 1 0 1]) hold on plot(xx,xx)elseif k == 2 %Alpha ye = 0:.001:1; xe = equilib(ye,Alpha); hold off plot(xe,ye) axis([0 1 0 1]) hold on plot(ye,ye) end %Plotting the Operating Linesytopop = ytop(ye,R,xd);ybotop = ybot(ye,S,xb);plot(xf,yf);plot(ye,ytopop)plot(ye,ybotop)plot(ye,ye)

plot(xb,xb,'o')text(xb+.025,xb-.025,'x_B')plot(xd,xd,'o')text(xd+.025,xd-.025,'x_D')plot(zf,zf,'o') % Computing the intersection of feed line and operating linesplot(xi,yi,'o')text(xi-.1,yi+.025,'Feed Line')text(xb-.025,xb+.05,'Stripping Line')text(xd-.25,xd-.05,'Enriching Line')xlabel('Liquid Phase Mole Fraction, x')ylabel('Vapor Phase Mole Fraction, y')title('McCabe-Thiele Diagram for Binary Column Distillation')if k == 2 yi2 = interp1 (xe,ye,xi); if yi > yi2 errordlg ('The distillation is not possible. Try a different operating condition.') return endelseif k == 1 yi2 = interp1(xx,yy,xi); if yi > yi2 errordlg('The distillation is not possible. Try a different operating condition.') return endend % Rectifying sectionif k == 2 %user defined systems i = 1; xp(1) = xd; yp(1) = xd; y = xd; while xp (i) > xi xp(i+1)= equilib(y,Alpha); yp(i+1)= R/(R+1)*xp (i+1)+xd/(R+1); y = yp (i+1); a = linspace(xp(i),xp(i+1)); b = yp(i)*ones(length(a)); plot(a,b) text ((xp(i+1)-.025),(yp(i)+.025),num2str (i)) if xp (i+1) > xi c = linspace(yp(i),yp(i+1)); d = xp(i+1)*ones(length(c)); plot(d,c) end i = i+1; end % Stripping section xs = linspace(xb,xi); ys = linspace(xb,yi); plot(xs,ys) ss = (yi-xb)/(xi-xb); S = 1/(ss-1);

S = num2str(S); set(handles.boilupratioinput,'String',S) yp(i) = ss*(xp(i)-xb)+xb; y = yp(i); a = linspace(yp(i-1),yp(i)); b = xp(i)*ones(length(a)); plot(b,a) while xp (i) > xb xp(i+1) = equilib(y,Alpha); yp(i+1) = ss*(xp(i+1)-xb)+xb; y = yp(i+1); a = linspace(xp(i),xp(i+1)); b = yp(i)*ones(length(a)); plot(a,b) text ((xp(i+1)-.025),(yp(i)+.025),num2str (i)) if xp (i+1) > xb a = linspace(yp(i),yp(i+1)); b = xp(i+1)*ones(length(a)); plot(b,a) end i = i+1; end elseif k ==1 %predefined equilibrium systems i = 1; xp(1) = xd; yp(1) = xd; y = xd; while xp(i) > xi xp(i+1)= predefeq(xeq,yeq,y); yp(i+1)= R/(R+1)*xp(i+1)+xd/(R+1); y = yp(i+1); a = linspace(xp(i),xp(i+1)); b = yp(i)*ones(length(a)); plot(a,b) text ((xp(i+1)-.025),(yp(i)+.025),num2str (i)) if xp (i+1) > xi c = linspace(yp(i),yp(i+1)); d = xp(i+1)*ones(length(c)); plot(d,c) end i = i+1; end % Stripping section xs = linspace(xb,xi); ys = linspace(xb,yi); plot(xs,ys) ss = (yi-xb)/(xi-xb); S = 1/(ss-1); S = num2str(S); set(handles.boilupratioinput,'String',S) yp(i) = ss*(xp(i)-xb)+xb; y = yp(i); a = linspace(yp(i-1),yp(i)); b = xp(i)*ones(length(a)); plot(b,a) while xp (i) > xb

xp(i+1) = predefeq(xeq,yeq,y); yp(i+1) = ss*(xp(i+1)-xb)+xb; y = yp(i+1); a = linspace(xp(i),xp(i+1)); b = yp(i)*ones(length(a)); plot(a,b) text ((xp(i+1)-.025),(yp(i)+.025),num2str (i)) if xp (i+1) > xb a = linspace(yp(i),yp(i+1)); b = xp(i+1)*ones(length(a)); plot(b,a) end i = i+1; endend % Functions called with start button: operating & equilibrium linesfunction yf = yfeed(xf,Q,zf)yf = Q/(Q-1)*xf+zf/(1-Q); function xa = equilib(ya,Alpha)xa = ya./(Alpha-ya*(Alpha-1)); function ybotop = ybot(x,S,xb)ybotop = (S+1)/S*x-xb/S; function ytopop = ytop(x,R,xd)ytopop = R/(R+1)*x+xd/(R+1); function backl = predefeq(xeq,yeq,val)xx = 0:.001:1;yy = spline(xeq,yeq,xx);ym = val*ones(1,length(xx));diffe = abs(yy-ym);[a b] = min(diffe);xk = xx(b);backl = xk; %System of Nonlinear Equations -- Will be functional in a later version %User Input Vector%L = R*D;%V = D*(R+1);%Vbar = S*B;%Lbar = B*(S+1);%Input_Vector = [F,zf,zfnv,xd,xdnv,xb,xbnv,D,fv,fnv,B,S,Q,R,Rmin,hf,hD,hB,Qc,Qr,L,V,Lbar,Vbar,xie,yie,xi,yi];%for k = 1:20% if isnan(Input_Vector(k)) == 0% v(k) = Input_Vector(k);% end%end %v(1) = F;%v(2) = zf;

%v(3) = zfnv;%v(4) = xd;%v(5) = xdnv;%v(6) = xb;%v(7) = xbnv;%v(8) = D;%v(9) = fv;%v(10) = fnv;%v(11) = B;%v(12) = S;%v(13) = Q;%v(14) = R;%v(15) = Rmin;%v(16) = hf;%v(17) = hD;%v(18) = hB;%v(19) = Qc;%v(20) = Qr;%v(21) = L;%v(22) = V;%v(23) = Lbar;%v(24) = Vbar;%v(25) = xie;%v(26) = yie;%v(27) = xi;%v(28) = yi; %F = @(v) [v(10)-v(11).*v(7)./v(1)./v(3); v(9)-v(8).*v(4)./v(1)./v(2); v(11)+v(24)-v(23); % v(21)+v(8)-v(22); v(23)./v(24)-1./v(12)+1; v(22)./v(21)-1./v(14)-1; v(11)+v(8)-v(1);% v(11).*v(6)+v(8).*v(4)-v(1).*v(2); v(2)+v(3)-1; v(6)+v(7)-1; v(4)+v(5)-1; % v(1).*v(16)+v(19)+v(20)-v(8).*v(17)-v(11).*v(18); v(15)./(1+v(15))-(v(4)-v(26))./(v(4)-v(25));% v(12)-1./(((v(28)-v(6))./(v(27)-v(6)))-1); v(14)./(1+v(14))-(v(4)-v(28))./(v(4)-v(27))]; %InitialGuess = [50;.5;.5;.5;.5;.5;.5;25;.75;.75;25;2;.5;3;1.5;1;1;1;1;1;1;1;1;1;.5;.5;.5;.5];%Options = optimset('Display','iter');%XY = fsolve(F, InitialGuess, Options); %fnv - B*xbnv/F/zfnv%fv - D*xd/F/zf;%B + Vbar - Lbar;%L + D - V;%Lbar/Vbar - 1/S + 1;%V/L - 1/R - 1;%B + D - F;%B*xb + D*xd - F*zf;%zf + zfnv - 1;%xb + xbnv - 1;%xd + xdnv - 1;%F*hf + Qc + Qr - D*hD - B*hB;%Rmin/(1+Rmin) - (xd-yie)/(xd-xie);%S - 1/((yi-xb)/(xi-xb)-1);%R/(1+R)-(xd-yi)/(xd-xi);