Sheet9TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC22.548.53.513.751.5SH O/L PR IN KSC (ABS)23.5739.5334.5434.7832.533SH O/L TEMP IN DEG C315215200380201SPECIFIC VOLUME C.M/KG0.15840.21820.43340.63560.879DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]322.1050361582Pd in Ksc ( Abs )2.533Pd in N/Sq.m ( Abs )248487.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )474SQRT ( 1/( e X R X Td )0.0012962636Max mass flow ( G* ) in Kg.Sq.m.Sec401.4383109601Actual flow at exhaust ( G )381.3663954121Actual flow in TPH375.1617929786Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.972272827HRH DISTURBANCE FACTOR2.065931834ESV DISTURNACE FACTOR1.972272827CRH DISTURBANCE FACTOR2.0902041965EXHAUST DISTURBANCE FACTOR2.8570706137II STAGE - BLOW:8 - 29/08/03

Sheet1TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC2725.83.843.751.5SH O/L PR IN KSC (ABS)28.03326.8334.8734.7832.533SH O/L TEMP IN DEG C330.5260229380229SPECIFIC VOLUME C.M/KG0.095470.087670.60670.63561.568DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]312.9931460209Pd in Ksc ( Abs )2.533Pd in N/Sq.m ( Abs )248487.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )502SQRT ( 1/( e X R X Td )0.0012595941Max mass flow ( G* ) in Kg.Sq.m.Sec390.0821961039Actual flow at exhaust ( G )370.5780862987Actual flow in TPH364.5490031815Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.1224147393HRH DISTURBANCE FACTOR1.9507005763ESV DISTURNACE FACTOR1.1224147393CRH DISTURBANCE FACTOR2.7627935143EXHAUST DISTURBANCE FACTOR4.8123009813

Sheet2TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.31Blow No.32Blow No.33Blow No.33Blow No.33PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.76.527.86.528.26.5SH O/L PR IN KSC (ABS)29.7337.53328.8337.53329.2337.533SH O/L TEMP IN DEG C388288336283336277SPECIFIC VOLUME C.M/KG0.0920.334570.0941650.3312750.0939650.3396DIA of exhaust pipe bore ( D )0.590.590.59DIA of exhaust pipe bore ( D )0.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.28Reducer inlet restrictions3.33.33.3STRAIGHT PORTION IN m1.311.311.3145 DEG BEND = 15XD1.471.471.47Equivalent Length (Le) in m8.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.011N = (f X Le)/D0.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.7Td/To0.9240.9240.924G/G*1.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]880.5175833872884.4678839886889.2791681733Pd in Ksc ( Abs )7.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.718Gas constant for steam ( R )461.94461.94461.94Exhaust temp in Kelvin ( Td )561556550SQRT ( 1/( e X R X Td )0.00119151920.00119686480.0012033754Max mass flow ( G* ) in Kg.Sq.m.Sec1209.13830199341214.56290662571221.1698252145Actual flow at exhaust ( G )1281.6866001131287.43668102321294.4400147274Actual flow in TPH394.440845546396.2104409962398.3657267484Boiler MCR parametrsMS FLOW in TPH1494.21494.21494.2MS FLOW in each pipe747.1747.1747.1MS PR IN Ksc176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433MS TEMP in deg C540540540MS Specific volume0.01830.01830.0183Flow in TPH IN RH1397.41397.41397.4Flow per pipe698.7698.7698.7CRH PR in Ksc42.742.742.7CRH PR in Ksc ( Abs )43.73343.73343.733CRH TEMP in deg C338338338CRH Specific volume0.059780.059780.05978HRH PR in Ksc40.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.833RH temp deg C540540540HRH Secific volume0.08870.08870.0887Blow No.31Blow No.32Blow No.33DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.40133841341.44721408311.4598945575EXHAUST DISTURBANCE FACTOR5.09614992355.09133802795.2762219096

Sheet3TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.35Blow No.36Blow No.37Blow No.38PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.86.528.96.528.36.528.56.5SH O/L PR IN KSC (ABS)29.8337.53329.9337.53329.3337.53329.5337.533SH O/L TEMP IN DEG C347287343289333279332259SPECIFIC VOLUME C.M/KG0.092390.34580.090550.34620.091960.3930.09050.3726DIA of exhaust pipe bore ( D )0.590.590.590.59DIA of exhaust pipe bore ( D )0.330.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.282.28Reducer inlet restrictions3.33.33.33.3STRAIGHT PORTION IN m1.311.311.311.3145 DEG BEND = 15XD1.471.471.471.47Equivalent Length (Le) in m8.358.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.0110.011N = (f X Le)/D0.15570.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.70.7Td/To0.9240.9240.9240.924G/G*1.061.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]881.3034091423879.7338559658887.666693287904.1982193989Pd in Ksc ( Abs )7.5337.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.7182.718Gas constant for steam ( R )461.94461.94461.94461.94Exhaust temp in Kelvin ( Td )560562552532SQRT ( 1/( e X R X Td )0.00119258260.00119045870.00120119340.0012235639Max mass flow ( G* ) in Kg.Sq.m.Sec1210.2174082341208.06207721231218.95555353751241.6568621647Actual flow at exhaust ( G )1282.83045272811280.5458018451292.09288674971316.1562738946Actual flow in TPH394.7928677897394.0897632819397.6433948273405.0489359099Boiler MCR parametrsMS FLOW in TPH1498.51498.51498.51498.5MS FLOW in each pipe749.25749.25749.25749.25MS PR IN Ksc176.4176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433177.433MS TEMP in deg C540540540540MS Specific volume0.01830.01830.01830.0183Flow in TPH IN RH1397.41397.41397.41397.4Flow per pipe698.7698.7698.7698.7CRH PR in Ksc42.742.742.742.7TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBlow No.28Blow No.29CRH PR in Ksc ( Abs )43.73343.73343.73343.733CRH TEMP in deg C338338338338CRH Specific volume0.059780.059780.059780.05978HRH PR in Ksc40.840.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.83341.833RH temp deg C540540540540HRH Secific volume0.08870.08870.08870.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.40171257861.36890771011.41540887811.4453032439EXHAUST DISTURBANCE FACTOR5.24637092425.2337476456.04888744125.9504971123

Sheet4To Shri.D.S.Krishnamurthy/SDGM/COMMNG/BHEL/TALCHERThe disturbance factor calculated for some of the blows of Unit IV stage-I steam blowing given below.TALCHER UNIT IV STAGE-I STEAM BLOWING CALCULATIONSDATEBLOW No.SH PR IN Ksc (g)SH O/L TEMP DEG CEXHAUST PR Ksc (g)EXHAUST TEMP IN deg CFLOW STEAM AT MCR TPHSH DISTUR FACTORExhau DISTUR FACTOR8/19/033128.73380.09206.52880.3726749.25394.441.405.108/19/033227.83360.09426.52830.3458749.25396.211.445.098/20/033328.23360.09406.52770.3346749.25398.371.455.278/20/033428.233406.5285749.251.425.998/20/033528.83470.09246.52870.3462749.25394.791.405.248/20/033628.93430.09066.52890.3930749.25394.081.375.238/20/033728.33330.09206.52790.3396749.25397.641.426.048/21/033828.53320.09056.52590.3313749.25405.051.445.958/21/033928.893406.5285749.251.416.038/21/034028.6335.96.5279749.251.426.058/21/034128.63376.5278749.251.416.058/21/034229.83396.5279749.251.396.068/21/034328.53356.5273749.251.395.998/22/0345283266.5267749.251.456.068/22/0346293206.5269749.251.376.058/22/0347273336.5269749.251.506.058/22/034829.13246.5259749.251.376.03This is for kind informationRegards8/25/03P.K.THIRUVENGADAM/AGM/TSXPSSR BHEL/CHENNAI

Sheet5TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.31Blow No.32Blow No.33PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.76.527.86.528.26.5SH O/L PR IN KSC (ABS)29.7337.53328.8337.53329.2337.533SH O/L TEMP IN DEG C388288336283336277SPECIFIC VOLUME C.M/KG0.0920.37260.0941650.34580.0939650.3346DIA of exhaust pipe bore ( D )0.590.590.59DIA of exhaust pipe bore ( D )0.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.28Reducer inlet restrictions3.33.33.3STRAIGHT PORTION IN m1.311.311.3145 DEG BEND = 15XD1.471.471.47Equivalent Length (Le) in m8.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.011N = (f X Le)/D0.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.7Td/To0.9240.9240.924G/G*1.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]880.5175833872884.4678839886889.2791681733Pd in Ksc ( Abs )7.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.718Gas constant for steam ( R )461.94461.94461.94Exhaust temp in Kelvin ( Td )561556550SQRT ( 1/( e X R X Td )0.00119151920.00119686480.0012033754Max mass flow ( G* ) in Kg.Sq.m.Sec1209.13830199341214.56290662571221.1698252145Actual flow at exhaust ( G )1281.6866001131287.43668102321294.4400147274Actual flow in TPH394.440845546396.2104409962398.3657267484Boiler MCR parametrsMS FLOW in TPH1494.21494.21494.2MS FLOW in each pipe747.1747.1747.1MS PR IN Ksc176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433MS TEMP in deg C540540540MS Specific volume0.01830.01830.0183Flow in TPH IN RH1397.41397.41397.4Flow per pipe698.7698.7698.7CRH PR in Ksc42.742.742.7CRH PR in Ksc ( Abs )43.73343.73343.733CRH TEMP in deg C338338338CRH Specific volume0.059780.059780.05978HRH PR in Ksc40.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.833RH temp deg C540540540HRH Secific volume0.08870.08870.0887Blow No.31Blow No.32Blow No.33DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.40133841341.44721408311.4598945575EXHAUST DISTURBANCE FACTOR5.67542057425.31457154945.1985390193

Sheet6TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.35Blow No.36Blow No.37Blow No.38PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.86.528.96.528.36.528.56.5SH O/L PR IN KSC (ABS)29.8337.53329.9337.53329.3337.53329.5337.533SH O/L TEMP IN DEG C347287343289333279332259SPECIFIC VOLUME C.M/KG0.092390.34620.090550.3930.091960.33960.09050.3313DIA of exhaust pipe bore ( D )0.590.590.590.59DIA of exhaust pipe bore ( D )0.330.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.282.28Reducer inlet restrictions3.33.33.33.3STRAIGHT PORTION IN m1.311.311.311.3145 DEG BEND = 15XD1.471.471.471.47Equivalent Length (Le) in m8.358.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.0110.011N = (f X Le)/D0.15570.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.70.7Td/To0.9240.9240.9240.924G/G*1.061.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]881.3034091423879.7338559658887.666693287904.1982193989Pd in Ksc ( Abs )7.5337.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.7182.718Gas constant for steam ( R )461.94461.94461.94461.94Exhaust temp in Kelvin ( Td )560562552532SQRT ( 1/( e X R X Td )0.00119258260.00119045870.00120119340.0012235639Max mass flow ( G* ) in Kg.Sq.m.Sec1210.2174082341208.06207721231218.95555353751241.6568621647Actual flow at exhaust ( G )1282.83045272811280.5458018451292.09288674971316.1562738946Actual flow in TPH394.7928677897394.0897632819397.6433948273405.0489359099Boiler MCR parametrsMS FLOW in TPH1498.51498.51498.51498.5MS FLOW in each pipe749.25749.25749.25749.25MS PR IN Ksc176.4176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433177.433MS TEMP in deg C540540540540MS Specific volume0.01830.01830.01830.0183Flow in TPH IN RH1397.41397.41397.41397.4Flow per pipe698.7698.7698.7698.7CRH PR in Ksc42.742.742.742.7TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBlow No.28Blow No.29CRH PR in Ksc ( Abs )43.73343.73343.73343.733CRH TEMP in deg C338338338338CRH Specific volume0.059780.059780.059780.05978HRH PR in Ksc40.840.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.83341.833RH temp deg C540540540540HRH Secific volume0.08870.08870.08870.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.40171257861.36890771011.41540887811.4453032439EXHAUST DISTURBANCE FACTOR5.25243960085.94125599215.22697754465.2909277867

Sheet7TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.34Blow No.39Blow No.40Blow No.38PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.236.528.896.528.66.528.56.5SH O/L PR IN KSC (ABS)29.2637.53329.9237.53329.6337.53329.5337.533SH O/L TEMP IN DEG C340285324259335.9279332259SPECIFIC VOLUME C.M/KG0.093870.39360.088280.37770.092550.3930.09050.3777DIA of exhaust pipe bore ( D )0.590.590.590.59DIA of exhaust pipe bore ( D )0.330.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.282.28Reducer inlet restrictions3.33.33.33.3STRAIGHT PORTION IN m1.311.311.311.3145 DEG BEND = 15XD1.471.471.471.47Equivalent Length (Le) in m8.358.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.0110.011N = (f X Le)/D0.15570.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.70.7Td/To0.9240.9240.9240.924G/G*1.061.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]882.8813932334904.1982193989887.666693287904.1982193989Pd in Ksc ( Abs )7.5337.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.7182.718Gas constant for steam ( R )461.94461.94461.94461.94Exhaust temp in Kelvin ( Td )558532552532SQRT ( 1/( e X R X Td )0.0011947180.00122356390.00120119340.0012235639Max mass flow ( G* ) in Kg.Sq.m.Sec1212.38431669841241.65686216471218.95555353751241.6568621647Actual flow at exhaust ( G )1285.12737570031316.15627389461292.09288674971316.1562738946Actual flow in TPH395.4997490501405.0489359099397.6433948273405.0489359099Boiler MCR parametrsMS FLOW in TPH1498.51498.51498.51498.5MS FLOW in each pipe749.25749.25749.25749.25MS PR IN Ksc176.4176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433177.433MS TEMP in deg C540540540540MS Specific volume0.01830.01830.01830.0183Flow in TPH IN RH1397.41397.41397.41397.4Flow per pipe698.7698.7698.7698.7CRH PR in Ksc42.742.742.742.7TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBlow No.28Blow No.29CRH PR in Ksc ( Abs )43.73343.73343.73343.733CRH TEMP in deg C338338338338CRH Specific volume0.059780.059780.059780.05978HRH PR in Ksc40.840.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.83341.833RH temp deg C540540540540HRH Secific volume0.08870.08870.08870.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.42927122211.40984939631.42448990511.4453032439EXHAUST DISTURBANCE FACTOR5.9929812836.03194514046.04888744126.0319451404

Sheet19blow121.555665976blow131.54897494blow141.56067391blow151.353178526blow161.165012601blow171.152594334

Sheet1900000000000000

BLOWSDISTURBANCE FACTORII STAGE STEAM BLOW OF TALCHER UNIT-4

Sheet18TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC27.827.093.863.751.5SH O/L PR IN KSC (ABS)28.83328.1234.8934.7832.533SH O/L TEMP IN DEG C322270226380188SPECIFIC VOLUME C.M/KG0.090030.082950.46370.63560.8595DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]326.6150730733Pd in Ksc ( Abs )2.533Pd in N/Sq.m ( Abs )248487.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )461SQRT ( 1/( e X R X Td )0.0013144135Max mass flow ( G* ) in Kg.Sq.m.Sec407.0591532268Actual flow at exhaust ( G )386.7061955655Actual flow in TPH380.4147177874Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.1525943344HRH DISTURBANCE FACTOR2.1241902154ESV DISTURNACE FACTOR0.0000334082EXHAUST DISTURBANCE FACTOR2.8724693049CRH DISTURBANCE FACTOR2.2993989067II STAGE - BLOW:17 - 29/08/03

Sheet17TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC28.3226.13.843.751.5SH O/L PR IN KSC (ABS)29.35327.1334.8734.7832.533SH O/L TEMP IN DEG C326260215380188SPECIFIC VOLUME C.M/KG0.0910.084040.44860.63560.8595DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]326.6150730733Pd in Ksc ( Abs )2.533Pd in N/Sq.m ( Abs )248487.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )461SQRT ( 1/( e X R X Td )0.0013144135Max mass flow ( G* ) in Kg.Sq.m.Sec407.0591532268Actual flow at exhaust ( G )386.7061955655Actual flow in TPH380.4147177874Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.01803Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.3085876421HRH DISTURBANCE FACTOR2.1241902154ESV DISTURNACE FACTOR1.3085876421EXHAUST DISTURBANCE FACTOR2.8724693049CRH DISTURBANCE FACTOR2.2245209177II STAGE - BLOW:16 - 29/08/03

Sheet16TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC27.8524.43.543.751.75SH O/L PR IN KSC (ABS)28.88325.4334.5734.7832.783SH O/L TEMP IN DEG C322.5270241380201SPECIFIC VOLUME C.M/KG0.090030.094030.47360.63560.7304DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]353.8959003664Pd in Ksc ( Abs )2.783Pd in N/Sq.m ( Abs )273012.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )474SQRT ( 1/( e X R X Td )0.0012962636Max mass flow ( G* ) in Kg.Sq.m.Sec441.0591470201Actual flow at exhaust ( G )419.0061896691Actual flow in TPH412.1892103669Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.3531785261HRH DISTURBANCE FACTOR2.4938597208ESV DISTURNACE FACTOR1.3531785261CRH DISTURBANCE FACTOR2.7571953358EXHAUST DISTURBANCE FACTOR2.8658199183II STAGE - BLOW:15 - 29/08/03

Sheet15TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC24.4615.013.223.751.75SH O/L PR IN KSC (ABS)25.49316.0434.2534.7832.783SH O/L TEMP IN DEG C321.89240214.42380208.6SPECIFIC VOLUME C.M/KG0.10550.14110.56150.63560.7468DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]351.0924281895Pd in Ksc ( Abs )2.783Pd in N/Sq.m ( Abs )273012.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )481.6SQRT ( 1/( e X R X Td )0.0012859949Max mass flow ( G* ) in Kg.Sq.m.Sec437.5651900521Actual flow at exhaust ( G )415.6869305495Actual flow in TPH408.9239536016Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.5606739096ESV DISTURNACE FACTOR2.0873088971CRH DISTURBANCE FACTOR3.2173437562EXHAUST DISTURBANCE FACTOR4.2790958453II STAGE - BLOW:14 - 29/08/03

Sheet14TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC2615.623.313.751.75SH O/L PR IN KSC (ABS)27.03316.6534.3434.7832.783SH O/L TEMP IN DEG C370220193380192SPECIFIC VOLUME C.M/KG0.10110.12510.50630.63560.714DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]357.3042862503Pd in Ksc ( Abs )2.783Pd in N/Sq.m ( Abs )273012.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )465SQRT ( 1/( e X R X Td )0.0013087479Max mass flow ( G* ) in Kg.Sq.m.Sec445.3070056958Actual flow at exhaust ( G )423.041655411Actual flow in TPH416.1590215025Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.5489749396HRH DISTURBANCE FACTOR2.5421279735ESV DISTURNACE FACTOR1.916684124CRH DISTURBANCE FACTOR3.0046172592EXHAUST DISTURBANCE FACTOR4.23720466730II STAGE - BLOW:13 - 29/08/03

Sheet13TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARRH INLETCRH PARHRH PAREXHAUST PARRH OUTLETSTAGE-IISH O/L PR IN KSC22.596.119.843.751.13.69SH O/L PR IN KSC (ABS)23.6237.14310.8734.7832.1334.723SH O/L TEMP IN DEG C328323233380252274SPECIFIC VOLUME C.M/KG0.1140.3880.2090.63561.150.538DIA of exhaust pipe bore ( D )0.581STRAIGHT PORTION IN m10.1845DegreeBEND=15D8.715Equivalent Length (Le) in m18.86RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.3726554217BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.539Pd/Po0.77Td/To0.94G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.7941943596Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]257.7286506079Pd in Ksc ( Abs )2.133Pd in N/Sq.m ( Abs )209247.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )525SQRT ( 1/( e X R X Td )0.001231694Max mass flow ( G* ) in Kg.Sq.m.Sec324.515841099Actual flow at exhaust ( G )308.2900490441Actual flow in TPH294.0924864154Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR0.8722627334HRH DISTURBANCE FACTOR1.2695407352HRH DISTURBANCE FACTOR0.7749871071CRH DISTURBANCE FACTOR0.6194079101EXHAUST DISTURBANCE FACTOR2.2969978689RH OUT LET DIS/FACTOR(B40*B40*G9)/B49*B49*B57)II STAGE - BLOW:12 - 29/08/03

Sheet12PARAMETERS DESCRITIONMS PARCRHHRH INHRH PARHRHOUTEXHAUST PARSTAGE-IISH O/L PR IN KSC22.599.846.113.753.691.1SH O/L PR IN KSC (ABS)23.62310.8737.1434.7834.7232.133SH O/L TEMP IN DEG C328233323380274252SPECIFIC VOLUME C.M/KG0.1140.21030.3880.63560.5381.15DIA of exhaust pipe bore ( D )0.581EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m18.86RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.3726554217BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]559.0823456341Pd in Ksc ( Abs )4.723Pd in N/Sq.m ( Abs )463326.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )547SQRT ( 1/( e X R X Td )0.0012066709Max mass flow ( G* ) in Kg.Sq.m.Sec696.782252137Actual flow at exhaust ( G )661.9431395302Actual flow in TPH631.4589276354Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR4.0213296431HRH DISTURBANCE FACTOR5.8528716131ESV DISTURNACE FACTOR2.5131366555CRH DISTURBANCE FACTOR5.3013263939EXHAUST DISTURBANCE FACTOR10.5896827486HRH DISTURBANCE FACTOR(B40*B40*F9)/(B49*B49*B57)II STAGE - BLOW:10 - 29/08/03

Sheet11TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARCRHHRHHRH PARhrh - ivexhustSTAGE-IISH O/L PR IN KSC23.69.86.33.753.751.7SH O/L PR IN KSC (ABS)24.63310.8337.3334.7834.7832.733SH O/L TEMP IN DEG C340265353380316296SPECIFIC VOLUME C.M/KG0.1120.2260.3970.63560.5740.975DIA of exhaust pipe bore ( D )0.581EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m14RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.276626506BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.74Td/To0.934G/G*1Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.7656993556Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]317.2013263911Pd in Ksc ( Abs )2.733Pd in N/Sq.m ( Abs )268107.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )569SQRT ( 1/( e X R X Td )0.0011831134Max mass flow ( G* ) in Kg.Sq.m.Sec414.2635409823Actual flow at exhaust ( G )414.2635409823Actual flow in TPH395.1856220352Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.5473725982HRH DISTURBANCE FACTOR2.2923506634CRH DISTURBANCE FACTOR1.0577848104HRH DISTURBANCE FACTOR1.4318175163HRH DISTURBANCE FACTOR2.0701845199EXHAUST DISTURBANCE FACTOR3.5164284092II STAGE - BLOW:9 - 29/08/03

Sheet10TALCHER UNIT 4/STAGE-II STEAM BLOWING CALCULATIONSPARAMETERS DESCRITIONMS PARESVCRH PARHRH PAREXHAUST PARSTAGE-IISH O/L PR IN KSC27.927.593.923.751.5SH O/L PR IN KSC (ABS)28.93328.6234.9534.7832.533SH O/L TEMP IN DEG C326250200380201SPECIFIC VOLUME C.M/KG0.090990.07520.43340.63560.879DIA of exhaust pipe bore ( D )0.59EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m14.8545 DEG BEND = 15XD8.985Equivalent Length (Le) in m23.01RESISTANCE FACTORResistance factor (N)friction factor ( f )0.01148N = (f X Le)/D0.44772BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.78Td/To0.945G/G*0.95Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.8023774198Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]322.1050361582Pd in Ksc ( Abs )2.533Pd in N/Sq.m ( Abs )248487.3Dimensionless constant ( e )2.718Gas constant for steam ( R )461.94Exhaust temp in Kelvin ( Td )474SQRT ( 1/( e X R X Td )0.0012962636Max mass flow ( G* ) in Kg.Sq.m.Sec401.4383109601Actual flow at exhaust ( G )381.3663954121Actual flow in TPH375.1617929786Boiler MCR parametrsMS FLOW in TPH1494.2MS FLOW in each pipe747.1MS PR IN Ksc167.3MS PR IN Ksc ( Abs )168.333MS TEMP in deg C540MS Specific volume0.020252Flow in TPH IN RH1397.4Flow per pipe698.7CRH PR in Ksc42.7CRH PR in Ksc ( Abs )43.733CRH TEMP in deg C338CRH Specific volume0.05978HRH PR in Ksc40.8HRH PR in Ksc ( Abs )41.833RH temp deg C540HRH Secific volume0.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.132936266HRH DISTURBANCE FACTOR2.065931834ESV DISTURNACE FACTOR1.132936266CRH DISTURBANCE FACTOR2.0902041965EXHAUST DISTURBANCE FACTOR4.2392466283II STAGE - BLOW:7 - 29/08/03

Sheet8TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBLOW NUMBERBlow No.41Blow No.42Blow No.43Blow No.43Blow No.45Blow No.46Blow No.47Blow No.48PARAMETERS DESCRITIONSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/LEXH PARSH O/L PR IN KSC28.66.529.86.528.56.528.56.5286.5296.5276.529.16.5SH O/L PR IN KSC (ABS)29.6337.53330.8337.53329.5337.53329.5337.53329.0337.53330.0337.53328.0337.53330.1337.533SH O/L TEMP IN DEG C337278339279335273335273326267320267333269324259SPECIFIC VOLUME C.M/KG0.091550.3930.090250.39360.089420.38540.089420.38540.091960.38540.08680.38540.095470.3860.085690.3777DIA of exhaust pipe bore ( D )0.590.590.590.590.590.590.590.59DIA of exhaust pipe bore ( D )0.330.330.330.330.330.330.330.33EQUIVALENT LENGTH OF PIPESTRAIGHT PORTION IN m2.282.282.282.282.282.282.282.28Reducer inlet restrictions3.33.33.33.33.33.33.33.3STRAIGHT PORTION IN m1.311.311.311.311.311.311.311.3145 DEG BEND = 15XD1.471.471.471.471.471.471.471.47Equivalent Length (Le) in m8.358.358.358.358.358.358.358.35RESISTANCE FACTORResistance factor (N)friction factor ( f )0.0110.0110.0110.0110.0110.0110.0110.011N = (f X Le)/D0.15570.15570.15570.15570.15570.15570.15570.1557BY REFERING TO STANDARD CURVE NOTE THE FOLLOWING RATIOS CORRESPONDING TO N = 0.4638Pd/Po0.70.70.70.70.70.70.70.7Td/To0.9240.9240.9240.9240.9240.9240.9240.924G/G*1.061.061.061.061.061.061.061.06Stagnation Ratio ( Sr )Sr =(Pd/Po)/SQRT(Td/To)0.730.730.730.730.730.730.730.73Refering to Lapples EquationHypothetical datum mass flow ( Gd* ) in Kg.Sq.m.secGd* = Pd x SQRT[gc/(e X R X Td)]888.4718333104887.666693287892.5306567835892.5306567835897.4754628038897.4754628038895.8180736465904.1982193989Pd in Ksc ( Abs )7.5337.5337.5337.5337.5337.5337.5337.533Pd in N/Sq.m ( Abs )738987.3738987.3738987.3738987.3738987.3738987.3738987.3738987.3Dimensionless constant ( e )2.7182.7182.7182.7182.7182.7182.7182.718Gas constant for steam ( R )461.94461.94461.94461.94461.94461.94461.94461.94Exhaust temp in Kelvin ( Td )551552546546540540542532SQRT ( 1/( e X R X Td )0.0012022830.00120119340.00120777540.00120777540.00121446670.00121446670.00121222390.0012235639Max mass flow ( G* ) in Kg.Sq.m.Sec1220.06118238481218.95555353751225.63481204861225.63481204861232.42508457461232.42508457461230.14913603111241.6568621647Actual flow at exhaust ( G )1293.26485332791292.09288674971299.17290077151299.17290077151306.37058964911306.37058964911303.9580841931316.1562738946Actual flow in TPH398.0040691824397.6433948273399.8222790545399.8222790545402.0373778833402.0373778833401.2949259517405.0489359099Boiler MCR parametrsMS FLOW in TPH1498.51498.51498.51498.51498.51498.51498.51498.5MS FLOW in each pipe749.25749.25749.25749.25749.25749.25749.25749.25MS PR IN Ksc176.4176.4176.4176.4176.4176.4176.4176.4MS PR IN Ksc ( Abs )177.433177.433177.433177.433177.433177.433177.433177.433MS TEMP in deg C540540540540540540540540MS Specific volume0.01830.01830.01830.01830.01830.01830.01830.0183Flow in TPH IN RH1397.41397.41397.41397.41397.41397.41397.41397.4Flow per pipe698.7698.7698.7698.7698.7698.7698.7698.7CRH PR in Ksc42.742.742.742.742.742.742.742.7TALCHER UNIT IV/STAGE-I STEAM BLOWING CALCULATIONSBlow No.28Blow No.29CRH PR in Ksc ( Abs )43.73343.73343.73343.73343.73343.73343.73343.733CRH TEMP in deg C338338338338338338338338CRH Specific volume0.059780.059780.059780.059780.059780.059780.059780.05978HRH PR in Ksc40.840.840.840.840.840.840.840.8HRH PR in Ksc ( Abs )41.83341.83341.83341.83341.83341.83341.83341.833RH temp deg C540540540540540540540540HRH Secific volume0.08870.08870.08870.08870.08870.08870.08870.0887DISTURBANCE FACTOR COMPUTATIONSDisturbance factor defined as Flow (actual) X Flow ( actual ) X Specific Vol at the point divided by MCR Flow X MCR Flow X MCR spefic volumeSH DISTURBANCE FACTOR1.41165568121.38908929151.39143862031.39143862031.44686240871.36567700171.4965446081.3684865742EXHAUST DISTURBANCE FACTOR6.05986545846.05812238395.99709734165.99709734166.06373175656.06373175656.05076169166.0319451404