Energy Plus Overview
Transcript of Energy Plus Overview
EnergyPlusEnergyPlus Overview
Material prepared by GARD Analytics, Inc. under contract to the U.S. Department of Energy. All material Copyright 2002-2011 U.S. Department of Energy - All rights reserved.
E Pl TEnergyPlus Team U S Department of Energy DC U.S. Department of Energy, DC Lawrence Berkeley National Laboratory, CA National Renewable Energy Laboratory, CO Oak Ridge National Laboratory TN Oak Ridge National Laboratory, TN Pacific Northwest National Laboratory, WA Florida Solar Energy Center, FL DHL Consulting, CO GARD Analytics, IL Oklahoma State University, OK University of Illinois at Urbana-Champaign, IL COP Associates, MN Wrightsoft, MA
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Wrightsoft, MA
E Pl TEnergyPlus Team
COPPNNL
WSGARDUIUCNREL
DHLLBNL DOE
WS
DHL ORNLOSU
FSEC
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Wh t i E Pl ?What is EnergyPlus?
Fully integrated building & HVAC simulation program Based on best features of
BLAST (U.S. Dept of Defense) andBLAST (U.S. Dept of Defense) and DOE-2.1E (U.S. Dept of Energy)plus many new capabilities
Windows XP/Vista/System 7 Linux Mac Windows XP/Vista/System 7, Linux, Mac 32-bit and 64-bit versions
Main install is simulation engine and select utilities Interfaces available separately
Info at www.energyplus.gov
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V i St tVersion Status
Current version 6.0.0, October 2010
Twice yearly updates—April and October No full release in April 2011, will instead have a
May 2011 bug-fix releaseMay 2011 bug fix release
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E Pl C tEnergyPlus ConceptsSimple input/output file structuresSimple input/output file structuresNo surface, zone or system limits
Defaults to 500 zones per air handler and 500 Defaults to 500 zones per air handler and 500 coils per plant loop, but this can be increased by editing master file (IDD) if needed
Other software linked inOther software linked in AIRNET, multi-zone air flow combining wind-
induced flow and air distribution systemy DElight complex daylighting Slab & Basement, 3-d heat transfer preprocessors
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EnergyPlus Structure withe gy us St uctu e tIntegrated Simulation Manager
ta
Building Description
EnergyPlus
Da
DescribeBuilding
Third-PartyHeat andM Building
Dat
a
EnergyPlusSimulation Manager
Dat
a
Window 5 SPARKUser
Interfaces
Zone
Conditions
MassBalance
Simulation
BuildingSystems
Simulation
Calcs
AirflowNetwork
Ground HtTransfer
SPARK
PollutionModels
On-SitePower
Update
Feedback
Conditions
Calculation Results
Data
Data
DisplayResults
FutureModules
FutureModules
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Data
Integrated Simulation gManager
Si l i l i f l d d l Simultaneous simulation of loads, systems and plant Building Heat Balance Manager HVAC System Simulation Manager
Air and water loops are solved iteratively at each time step Not a single-pass calculation as in some other hourly
i l ti t lsimulation tools Tighter coupling between the air- and water-side of the
system and plant Loads “not met” result in zone temperature and Loads not met result in zone temperature and
humidity changes Allows capacity limits to be modeled more realistically
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Loads Features and Capabilities
Heat Balance MethodHeat Balance Method Room and surface heat balance every time step Conduction convection radiation Conduction, convection, radiation
Sub-hourly time steps Default is six 10-minute timesteps per hour Default is six 10 minute timesteps per hour
Room air models Default is “well-stirred” with uniform temperature Default is well-stirred with uniform temperature Other options: displacement vent, cross vent,
UFAD, Mundt, user-defined temperature patterns
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Loads Features and Capabilities (cont’d)
f h fRoom surface heat transfer 1-D heat transfer Uniform surface temperatures Uniform surface temperatures Uniform long and short wave radiation Diffuse radiating and reflecting surfaces Internal heat sources (optional)
Time dependent conduction - thermal mass Conduction transfer functions (default) Conduction transfer functions (default) Optional finite difference model
Optional variable properties to model phase-change materials
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to model phase change materials
Loads Features and Capabilities (cont’d)
Moisture Models Effective Moisture Penetration Depth (EMPD)
Simplified moisture model Moisture absorbed/released, no transport through
surfaces Estimates moisture interactions between the space air
and interior surfaces and furnishings
Combined Heat And Moisture Finite Element Combined Heat And Moisture Finite Element Heat and moisture transfer model (advanced feature) MaterialProperty:HeatAndMoistureTransfer:*
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Loads Features and Capabilities
How does EnergyPlus calculate what it will take to keep a zone at the desired thermal
diti ?conditions? EnergyPlus contains the heat balance engine from
IBLAST a research version of BLAST withIBLAST, a research version of BLAST with integrated loads and HVAC calculation. The major enhancements of the IBLAST heat balance
i i l d t f d di t h ti dengine include mass transfer and radiant heating and cooling
Essentially identical in functionality to the Loads Toolkit de eloped nde ASHRAE Resea ch P oject (RP 987)
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developed under ASHRAE Research Project (RP-987)
Loads Features and Capabilities (cont’d)
Three models connected to the main heat balance routine are based on
biliti f DOE 2capabilities from DOE-2 Daylighting simulation
C l l t h l i t i d li ht ill i Calculates hourly interior daylight illuminance, window glare, glare control, electric lighting controls, and calculates electric lighting
d ti f th h t b l d lreduction for the heat balance module
WINDOW 5-based window calculationAnisotropic sky
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Anisotropic sky
E l Hi hEnvelope Hierarchy
Building
Zone ZoneZone … more zones
Surface SurfaceSurface Surface … more surfaces
Construction
M t i lM t i l M t i l M t i l more materials
only one construction per surface
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MaterialMaterial Material Material … more materials
K d S f G tKeyword: SurfaceGeometry
Three dimensional (3D) C te i n Building and/or Zone North Axis(3D) Cartesian coordinate system
Right hand
Z AxisBuilding and/or Zone North Axis
Right hand coordinate system X-axis points east
Y Axis
Y-axis points north Z-axis points up
X Axis
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Keyword: SurfaceGeometry ey o d Su aceGeo et y(cont’d)
Vertex-based Specify 3D coordinates of each corner of a surface
W ld C di tWorld Coordinates All coordinates refer to global origin Building and Zone north axes ignored Building and Zone north axes ignored Zone origins ignored (except for daylighting)
Relative CoordinatesRelative Coordinates Zones relative to building Surfaces relative to zones
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Subsurfaces relative to zones
Keyword: SurfaceGeometry ey o d Su aceGeo et y(cont’d)
Surface starting position, looking from outside UpperLeft, UpperRight, LowerLeft, LowerRight
O d f t tOrder of vertex entry Clockwise, Counterclockwise
Coordinate systemCoordinate system WorldCoordinateSystem, RelativeCoordinateSystem
IDF Example: IDF Example:SurfaceGeometry,
UpperLeftCorner, !- SurfaceStartingPositionCounterClockWise !- VertexEntry
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CounterClockWise, ! VertexEntryWorldCoordinateSystem; !- SurfaceGeometryKey
T f S fTypes of Surfaces
Surface:HeatTransfer Surface:HeatTransfer:Sub Surface:HeatTransfer:InternalMass
Surface:Shading:DetachedSurface:Shading:Detached Surface:Shading:Detached:Fixed
S f Sh di D t h d B ildi Surface:Shading:Detached:Building
Surface:Shading:Attached
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Heat Transfer Surface (cont’d)
Exterior surfaces cast shadows Shadows only cast in the y
direction of the outward facing normal
A roof extended beyond th ll ill t tthe walls will not cast shadows downward
Interior surfaces do not t h dcast shadows
All surfaces reflect solar as diffuse inside zone
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H t T f S b fHeat Transfer Subsurface
Surface:HeatTransfer:SubWindows, Doors, Glass DoorsWindows, Doors, Glass Doors
Only windows and glass doors transmit sunlightsunlight
Can have interior windows
Must be placed on a base surfaceMust be placed on a base surfaceCannot completely cover base surface
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D d Wi d D t ilDoor and Window Details(a)
Outside reveal defined by window
i Inside
Wall
I id
(b)(a)
Outsidevertices WindowFrame
AndDivider f
InsideRevealSurface
OutsideRevealDepth
OutsideRevealDepth
InsideRevealDepth
Glazing
OutsideRevealSurface
InsideRevealDepth
specifies details of frame, sill, inside reveal W ll
Inside SillDepth
Glazing
Sill Inside SillDepth
Glazing
Frame
inside reveal, etc.
Wall
Wall
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Sh di S fShading Surface
Three typesTransmittance
hed le
Upper Left Corner Vertex for Overhang
schedule (default is always opaque)
A
C
D
y p q )Automatically
mirrored to cast h d
B
shadows in both directions
Must specify
(0,0,0)
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Must specify vertices
M t i l E lMaterial ExampleMATERIAL:REGULAR Options: VeryRough, MATERIAL:REGULAR,
PLASTERBOARD-2, !- NameRough, !- Roughness0.01, !- Thickness {m}
/
p y g ,MediumRough, Rough, Smooth, MediumSmooth, VerySmooth
0.16, !- Conductivity {W/m-K}950.0, !- Density {kg/m3}840.0, !- Specific Heat {J/kg-K}0.9, !- Thermal Absorptance0.9, ! Thermal Absorptance0.6, !- Solar Absorptance0.6; !- Visible Absorptance
Parameters Affecting:
Convection—Roughness Conduction—Thickness, Conductivity, Density, Specific Heat Radiation—Absorptances
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Radiation Absorptances Material:Regular-R and Material:Air contain a subset of the above information (see IDD for more details)
M t i l f O S fMaterials for Opaque Surfaces
Material:RegularMaterial:Regular Has thermal mass Thickness, conductivity, density, and specific heat Thickness, conductivity, density, and specific heat
Material:Regular-R Has no thermal mass Specify only thermal resistance
Material:Air Also no thermal mass, just resistance Cannot be an outside layer, no absorptances
Oth i d l d M t i l R l R
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Otherwise, modeled same as Material:Regular-R
C t tiConstruction
List material layers from outside to inside
Convection coefficients (film layers) are added automaticallyadded automatically
IDF Example:CONSTRUCTIONCONSTRUCTION,
CEILING39, !- User Defined NameC5 - 4 IN HW CONCRETE, !- Outside LayerE4 - CEILING AIRSPACE, !- Layer #2
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E5 - ACOUSTIC TILE; !- Inside Layer
HVAC Features and Capabilities
Flexible specification of HVAC equipment Components arranged on loops Not limited to predefined system configurations
“HVACTemplates” for standard system fconfigurations
More than one system may serve a zone e.g. Dedicated outdoor air system
plus fan coil units
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HVAC I t O iHVAC Input Overview
Hierarchical set of objects Loops (air, chilled & hot water, condenser) Supply and demand sides Topology of sides: branches, splitters, and mixers
h l l d Branches: components along a single duct or pipe Components: specific pieces of equipment
Nodes: store components’ inlet & outlet conditions Nodes: store components’ inlet & outlet conditions
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HVAC I t O i ( t’d)HVAC Input Overview (cont’d)
Multiple systems or zone components can serve each zone
EnergyPlus HVAC simulation attempts to satisfy the conflicting demands of:to satisfy the conflicting demands of: Input simplicity & usability Input flexibility & generality Input flexibility & generality Simulation robustness
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E Pl HVAC L O iEnergyPlus HVAC Loop Overview
Loop Types: Air Loop Zone Equipment Loop Plant Loop Supply Sidep pp y Plant Loop Demand Side Condenser Loop Supply Side Condenser Loop Supply Side Condenser Loop Demand Side
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Ai LAir Loop
Air side of the secondary systemTypically contains equipment such as aTypically contains equipment such as a
fan, coils, mixing box, etc.Where the centralized conditioning ofWhere the centralized conditioning of
air takes place—before splitting off to zones before reheat before individualzones, before reheat, before individual VAV dampers, etc.
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Z E i t LZone Equipment Loop
Equipment that is more specific to a particular thermal zone
May include splitters and air distribution units which split up flow from the airunits which split up flow from the air loop
Can have multiple systems servingCan have multiple systems serving individual zones
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Z E i t S h tiZone Equipment Schematic
Return AirPath
Zone Exhaust Branch (Opt.)
NoneDualDuct
ConstantVolume
(CV)
ZoneSupply AirSplitter
Zone 1
SingleDuct CVReheat
DualDuctVAV
SingleDuct
Select OneAir
DistributionUnit
AirDistribution
Unit
LocalCon-
vectiveUnits
HighTemp
Radiant/Con-
vective
LowTemp
Radiant
VAV:Reheat
S l O
UnitOptions
Diagram from Input Output Reference p. 208 (not all equipment types are included)
Air-AirHP
UnitHeater/Vent-
Fan CoilWindowAC
Base-boardsRadiatorsHigh
Temp
LowTemp
Radiant
SelectOne
Select OneSelect One
Water-AirHP &
Ground
equipment types are included)
ilatorTemp
RadiatorsPanels
Local Conv. Unit AlternativesHi Temp Rad/ConvAlternatives
Low Temp RadAlternatives
GroundSource
HP
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Pl t D d SidPlant Demand Side
Water side of coils, radiant systems, etc. that require conditioned fluid to provide either heating or cooling to the zone (the “demand”)
Connects to air loop or zone equipment loop through individual componentsloop through individual components
Connects to plant supply side through direct fluid connectiondirect fluid connection
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Pl t S l SidPlant Supply Side
Supplies hot or cold fluid to meet the demands of the plant demand side
Eq ipment m in l de p mp hilleEquipment may include pumps, chillers, boilers, etc.
Typically controls both flow rate (via pump)Typically controls both flow rate (via pump) and temperature (loop setpoint)
Connects directly to plant demand side y pConnected indirectly to condenser demand
side through components
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Condenser Supply and Demand Co de se Supp y a d e a dSides
Analogous to plant supply and demand sides Condenser demand receives heat rejection from plant
supply side equipmentsupply side equipment Condenser supply side tries to supply the conditioned
fluid by rejecting heat to external environmentC d l id l b d Condenser supply side may only be connected to condenser demand side
Condenser demand side also connected indirectly to yplant supply side through components and may also be connected to air loop and zone equipment loop through componentst oug co po e ts
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EnergyPlus HVAC Loop e gy us C oopInteraction
Building Systems Simulation Manager
Zone
ConditionsSimulate Building
S
Zone
Conditions
CorrectorSystems
Predictor
Air Loop
Plant Loop
Condenser LoopDemand Supply
Main Air Handler Coils,Baseb.,etc.
PlantEquip.
Cond., Coils,etc.
Towers,Wells,etc.
Demand Supply
Zones & Equip.
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Loops, Branches, Components, oops, a c es, Co po e ts,and Nodes
Comp
…BranchesComponents
Comp Comp Comp Comp
SplitterBranches
Comp
…
Comp
…
Comp
…
Comp
…
…
Loop
Comp
Mixer
Nodes…
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E Pl N dEnergyPlus Nodes
A node is the point at which a component,
hChillerCHWR CHWS
such as a source or a load, is connected to the system
Nodes
the system.CHWS CHWR
Nodes
Load
Nodes
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E Pl N d ( t’d)EnergyPlus Nodes (cont’d)
Nodes connect components in HVAC network
Store network state data temperature, humidity, flow rate, pressure
(air only) at current barometric pressureAlso store control information: set
i tpointsStore component input and output data
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E l N d DiExample Node Diagram1
2
Return Fan1
7 82 3
MA Damper4 3
8 9765
Mixed Air SystemManager
Heat Recovery5 6
3 4
Desiccant Wheel
6 7
102
1 13
12
11
Supply Fan
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Desiccant Wheel
Zone9
10 12
Heating Coil
10 11
12 13
10 12Splitter
Cooling Coil
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E Pl N d ( t’d)EnergyPlus Nodes (cont’d)
Components have one or more pairs of inlet/outlet nodes Fan: Air inlet node, Air outlet node CHW Coil: Air inlet node, Air outlet node,CHW Coil: Air inlet node, Air outlet node,
CHW inlet node, CHW outlet node
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HVAC T l t d A t i iHVAC Templates and Autosizing
Templates are a time saving feature that: Provides a shorthand way of describing systems
A i t i th f tti t th Assists in the process of putting together EnergyPlus input
Autosizing helps the user:Autosizing helps the user: Determine the size of equipment needed based on
the building description, thermal loads, etc.A id th d t id i f Avoids the need to provide a size for some equipment which may not be of interest but is still needed as input for EnergyPlus
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T l t C tTemplate Concepts
Beneficial for setting up the loops, branches, and nodes
Not as beneficial for fans, pumps, chillers, coils, etc.,
The only "automatic" fields are the object name, node names, and maybe flow rates.
For autosized templates the defaults are already specified
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HVAC T l t St tHVAC Template StructureI t Fil i f EP-Launch or RunEplus.batInput File.imf
##include HVACTemplates.imf
Regular EnergyPlus objectsRUN PERIOD, 1, 1, 12, 31;. . .
EP-Macro.exe
EP Launch or RunEplus.bat
HVAC Template commands:##set1 ZoneName = "RESISTIVE ZONE"##set1 AvailSched = "FanAndCoilAvailSched"##set1 HeatSuppAirTemp = 50##set1 CoolSuppAirTemp = 13## t1 H tS Ai HR 0 015
EPMIDF FileRegular EnergyPlus objects
after macro processing(“Clean IDF file”)
##set1 HeatSuppAirHR = 0.015##set1 CoolSuppAirHR = 0.010PurchAirZone[]. . . EnergyPlus.exe
EnergyPlus output files
EnergyPlus output files
EnergyPlus output files
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EnergyPlus output files
E l HVAC T l tExample HVAC Templates
Zone ThermostatPurchased Air u c asedFour Pipe Fan CoilVAV Single Duct w/ ReheatVAV Single Duct w/ ReheatPackaged Furnace w/ DX Air Conditioner
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C t Si iComponent Sizing
Components are typically autosized based on specified summer and winter design days.
Global sizing factor optionalGlobal sizing factor optional Sizing factor typically >1.0 Sizing factor can be any value >0 Sizing factor can be any value >0 Default 1.0
SIZING PARAMETERS,
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,1.2; !- sizing factor
Z Si iZone Sizing
Calculates required supply air volume to maintain zone setpoints
Comp te m im m ooling lo d he tingComputes maximum cooling load, heating load and air flow for systems sizing and sizing zone componentsp
Only controlled zones are included in zone sizing calculations
OA flow per person based on total number of people for all PEOPLE statements in zone (schedule values are not applied)
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(schedule values are not applied)
S t Si iSystem Sizing
Calculates design air flow rates and heating and cooling capacities based on specified
l i diti d i i ltsupply air conditions and zone sizing resultsMust use zone sizing objects to force hard
i ( ill t d t i )sizes (will not read component sizes)Only controlled zones are included in system
sizing calculationssizing calculations
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A t Si iAuto-Sizing
Generate sizing report files (.zsz, .ssz)Outside air optionsOutside air optionsSupply-side equipment sizing
Si d “ ” ith t d iSize and “go” runs with computed sizesUses all design days and selects max size
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A t Si i C l l tiAuto-Sizing Calculation
A “Purchased Air” simulation is performed for each zone using user specified Design Day weather Purchased Air: hot or cold air supplied pp
directly to a zone at a fixed temperature and with infinitely variable air flow.
The Purchased Air simulation yields zone design air flow rates.
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Auto-Sizing Calculation g(cont’d)
The zone design air flow rates are summed to give central air handler
i id t i id t d i flcoincident or non-coincident design flow rates.U ifi d d i lUser specified design supply temperatures and the design weather conditions are used to calculate zoneconditions are used to calculate zone and system design heating and cooling capacities
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capacities.
Auto-Sizing Calculation g(cont’d)
Coil UAs and other component inputs are obtained by iterating the component models to meet the design outlet conditions
Coil water flow rates are summed to obtain plant loop hot and chilled waterobtain plant loop hot and chilled water flow rates
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I t lli E PlInstalling EnergyPlus
After installation the EnergyPlus directory will contain the following subdirectories (if default components are selected):components are selected):
BACKUP DataSets
PostProcess PreProcess DataSets
Documentation Example Files
PreProcess WeatherData
Default path is C:\EnergyPlusV6-0-0
p MacroDataSets
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Default path is C:\EnergyPlusV6-0-0
S I t t Fil TSome Important File Types
IDF (input data file): Text file describing building and HVAC system Edit with text editor or the EnergyPlus IDF editor
EPW (EnergyPlus weather): Text file containing weather data used by simulation engine
ERR (error): Text file of input and simulation error descriptions ERR (error): Text file of input and simulation error descriptions ESO (EnergyPlus standard output) and MTR (meter output):
comma-separated text files of results View using xEsoView View using xEsoView
DXF (AutoCad drawing format) shows building surfaces defined in IDF file
View using TrueView or VoloView View using TrueView or VoloView
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DataSets and MacroDataSets FoldersS d fi d Obj DataSets – Predefined Objects
Materials Constructions Schedules Chillers Holidays and more
MacroDataSets ##def blocks for parametric batch runs Utility rate tariffs and emissions factors for
37 utilities (2000-2005 data) Solar collector performance data
PV f d t
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PV performance data
E l Fil F ldExampleFiles Folder
O 300 l i Over 300 example inputs Named by key feature,
5ZoneSupRetPlen.idf = “5 t ith l“5 zone system with supply and return plenum”
ExampleFiles.xlsT bl f k f tTable of key features
ExampleFiles-ObjectsLink.xlsLookup by object class name
Many concepts bestlearned by example
BasicsFiles – tutorial examples,
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p ,see “Getting Started” doc
W th D t F ldWeatherData Folder
EPW WeatherData 5 locations included in standard install Download additional EPW weather files Download additional EPW weather files
at www.energyplus.gov 1000s of sites available worldwide
DDY Files DDY Files ASHRAE Design Days and
Location in EnergyPlus syntaxsyntax
Included in weather zip files from www.energyplus.gov
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gyp g
Weather Data(epw file)
Weather year for energy use comparisonsHourly data typical, can be subhourlyCan be less than a full yearData include temperature, humidity, solar,
wind rain and snow flags rainfall etcwind, rain and snow flags, rainfall, etc. Interpolated for EnergyPlus time steps
Solar values are mid hour average or total Solar values are mid-hour average or total All other values are on-the-hour instantaneous Linear interpolation for each time step
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p p
S f I t D tSources of Input Data
User interfaces and other utilitiesUser interfaces and other utilitiesCADD programs
Trace over DXF in some EnergyPlus interfacesgy OpenStudio Plugin for Google Sketchup Green Building Studio (gbxml) supports older version EnergyPlugged (AutoCAD plug-in to create and edit EnergyPlugged (AutoCAD plug in to create and edit
EnergyPlus input files). Graphisoft ArchiCad direct export in ? Bentley acquired HEVACOMP investigating MicroStation link Bentley acquired HEVACOMP, investigating MicroStation link
Window5/6 Window thermal and optical data
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pwindows.lbl.gov/software/window/window.html
St t M Sh t tStart Menu Shortcuts
Start Programs EnergyPlus V6-0 Programs Documentation Main Menu
h h b EP-Launch – home base IDFEditor – input file editor Readme Readme Uninstall Weather Converter Weather Converter WinEPDraw –
dxf drawing tool
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g
EP-Launch Provides a Way to Open FilesEP Launch Provides a Way to Open Files and Run Simulations
Select input (IDF) and weather filesAssociate files with the appropriateAssociate files with the appropriate
program or viewerOpen input and output filesOpen input and output filesStart simulations and view error files
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EnergyPlus Private Sector User Interfaces
PV modeling by EnergyPlus
BEEBEE (Chi )(Chi )BEE BEE (Chinese)(Chinese)TREAT PlusCOMFENESP-r E GEFEN
ECOTECT
EnergyGaugeEPlusInterfaceHVAC EnergySolarShoeBox
E Vi
EFEN
62EP-Quick
xEsoViewothers, ….
EnergyPlus Example File gy pGenerator
Web formCreate generic buildingsSelect from 5 StdsSubmit and run remotely Input and output
sent via e-mailS b it t fil tSubmit custom file to
conform to StdLink at
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Link at www.energyplus.gov/interfaces_tools.cfm
OpenStudio Plugin Ope Stud o ugfor SketchUp
SketchUp Intuitive 3-D drawing software
A il bl f G l Available from Google as free or pro versions
Plugin adds EnergyPlusPlugin adds EnergyPlus functionality to the SketchUp 3-D environment
/ d l l Create/Edit EnergyPlus Input Files Run EnergyPlus and view results Automatically create prototype and code
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Automatically create prototype and code compliance building models (future v1)
E Pl S t REnergyPlus Support Resources
E Pl W b it ( l ) EnergyPlus Web site (www.energyplus.gov)
free program download documentation weather data (more than 2,100 locations worldwide) testing and validation reports developer & commercial distribution licensesdeveloper & commercial distribution licenses
User Support Helpdesk
energyplus helpserve com energyplus.helpserve.com submit questions via Web: energyplus.helpserve.com via email: [email protected] email: EnergyPlus [email protected] attach input files as needed
EnergyPlus Support ResourcesEnergyPlus Support Resources (cont.)
E Pl Y h T h i l G EnergyPlus Yahoo Technical Group user-to-user forum
j i E Pl S t Y h G t join EnergyPlus-Support Yahoo Group athttp://groups.yahoo.com/group/EnergyPlus_Support
subscribe by sending email [email protected]
post messages by sending email toEnergyPlus Support@yahoogroups [email protected]
Buildings Designed Using EnergyPlus
San Francisco Federal BuildingN t l til ti t Natural cross‐ventilation system
No mechanical cooling in high‐rise portion
Building management controls Building management controls
San Diego Supercomputer Center• Thermal simulation
• Natural displacement ventilation analysis
• Climate analysis
Buildings Designed Using EnergyPlus
Evergreen Valley College Arts Center San Jose CACenter, San Jose, CA Low energy cooling including natural ventilation and radiant floor systems
Heritage Middle School, MNg , 16,000 m2 (173,000 ft2) new school
Load calculation and evaluationLoad calculation and evaluation of energy efficiency measures
Buildings Designed Using EnergyPlus
Freedom Tower Building energy Building energy
simulation of alternatives
Aggressive energy and i t l lenvironmental goals
Code compliance
New York Times Building energy simulation of Building energy simulation of
alternatives Controls, peak demand,
energy use impacts