Compressor Sizing Cal
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AGS-TEF-OTU-M14-00001-000 1 of 4 Mechanical Datasheet Otumara Main Compressor Package UMUECHEM BOOSTER COMPRESSOR SELECTION AND SIZING - BASE CASE - FIRST STAGE A. PROCESS PARAMETERS: STAGE CALCULATIONS DESCRIPTION SUCTION DISCHARGE Stage Pressure Ratio - r Disch. Temp (Td) 1 Flow Rates 1 3.300 3.431 11.942 11.998 3.636 348.442 0.700 SYMBOL VALUE SYMBOL VALUE Standard MMscf/d 6.9 6.9 8139.86 8139.86 2.26 2.26 COMPRESSOR POWER [kW 2 Pressures (Bar) Total Shaft Power (Including 5% for data inacuracies) 519. Gauge 2.5 10.2 Total Driver Power (Including 4% for transmission losses) 540. Absolute 3.5 11.2 GAS ENGINE DERATING 3 Temperatures Altitude (-3.5% ISO for every 300 m above 150 m) Sea Level 0.0 39.6 137.8 4.68% 565. K 312.6 410.8 4 214.29 Z 0.9892 0.9871 No. of Impellers 7.14 Av. Comp. Fac 0.9521 5 Minimum 0.800 NOTES Maximum 1.000 1 The calculations here presented are done in line with procedure outlined 0.900 in Production Handbook Vol. 9, Chapter 1, Section 1.2.3, pages1-89 to 1-107. 6 Minimum 1.220 2 Indicates selected option in line with guidelines as stated Maximun 1.250 in Production Handbook. Average k 1.235 3 Indicates Manual data input. 7 n 1.268 n-1 0.268 n/(n-1) 4.730 (n-1)/n 0.211 B. GENERAL CALCULATIONS 1 0.702 0.288 2 Actual press. (bar) 3.431 11.592 3.300 11.550 3 3.51 4 Max. Stage Ratio 3.64 5 Q 0.97 Nearest Whole No. 1 6 3.51 Suction Pressure (ps) Suction Pressure (ps)-2nd formular Discharge Pressure (pd) Discharge Pressure (pd)-2nd formular Stage Specific Power Absorbed (from chart 1.2.3- 4b) Standard m 3 /h Standard m 3 /s qs(st) qd(st) Ps Pd o C Temperature (-1.8% ISO for every 5 0 C above 30 0 C) Ts Td Compressibility Factor Stage Polytropic Head [Hp] Zs Zd Zav Polytropic Eff. (table 1.2.3-1) np np Average np Adiabatic exponent for gas (Cp/Cv) Cp/Cv Cp/Cv Polytropic exponent for gas Actual Vol. [m 3 /s] qs qd ps1(large) pdN (large) ps1(small) pdN (small) Overall pressure ratio (pdN/ps1) ro rs No. of Stages (Logro/Logrs) Theoretical Stage Press. Ratio rQ
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Compressor Sizing Cal
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1st StageUMUECHEM BOOSTER COMPRESSOR SELECTION AND SIZING - BASE CASE - FIRST STAGEA.PROCESS PARAMETERS:STAGE CALCULATIONSDESCRIPTIONSUCTIONDISCHARGEStageSuction Pressure (ps)Suction Pressure (ps)-2nd formularDischarge Pressure (pd)Discharge Pressure (pd)-2nd formularPressure Ratio - rDisch. Temp (Td)Stage Specific Power Absorbed (from chart 1.2.3-4b)Stage Shaft Absorbed Power (KW)1Flow Rates13.3003.43111.94211.9983.636348.4420.700494.768SYMBOLVALUESYMBOLVALUEStandard MMscf/d6.96.9Shell Petroleum Development Company of NigeriaStandard m3/h8139.868139.86Standard m3/sqs(st)2.26qd(st)2.26COMPRESSOR POWER[kW]2Pressures (Bar)Total Shaft Power (Including 5% for data inacuracies)519.51Gauge2.510.2Total Driver Power (Including 4% for transmission losses)540.29AbsolutePs3.5Pd11.2GAS ENGINE DERATING3TemperaturesAltitude (-3.5% ISO for every 300 m above 150 m)Sea Level0.00oC39.6137.8Temperature (-1.8% ISO for every 50C above 300C)4.68%565.57KTs312.6Td410.84Compressibility FactorStage Polytropic Head [Hp]214.29ZZs0.9892Zd0.9871No. of Impellers7.14214.2886066411Av. Comp. FacZav0.95217.13333333335Polytropic Eff. (table 1.2.3-1)Minimumnp0.800NOTESMaximumnp1.0001The calculations here presented are done in line with procedure outlinedAverage np0.900in Production Handbook Vol. 9, Chapter 1, Section 1.2.3,pages1-89 to 1-107.6Adiabatic exponent for gas (Cp/Cv)MinimumCp/Cv1.2202Indicates selected option in line with guidelines as statedMaximunCp/Cv1.250in Production Handbook.Averagek1.2353Indicates Manual data input.7Polytropic exponent for gasn1.268n-10.268n/(n-1)4.730(n-1)/n0.211B.GENERAL CALCULATIONS1Actual Vol. [m3/s]qs0.702qd0.2882Actual press. (bar)ps1(large)3.431pdN (large)11.592Calculation Spreadsheetps1(small)3.300pdN (small)11.5503Overall pressure ratio (pdN/ps1)ro3.514Max. Stage Ratiors3.645No. of Stages (Logro/Logrs)Q0.97Nearest Whole No.16Theoretical Stage Press. RatiorQ3.51
&L&13AGS-TEF-OTU-M14-00001-000&C&12 &13&P of &N
This document is controlled electronically and is uncontrolled when printed&R&13Mechanical Datasheet Otumara Main Compressor Package
2nd StageUMUECHEM BOOSTER COMPRESSOR SELECTION AND SIZING - BASE CASE - SECOND STAGEA.PROCESS PARAMETERS:STAGE CALCULATIONSDESCRIPTIONSUCTIONDISCHARGEStageSuction Pressure (ps)Suction Pressure (ps)-2nd formularDischarge Pressure (pd)Discharge Pressure (pd)-2nd formularPressure Ratio - rDisch. Temp (Td)Stage Specific Power Absorbed (from Chart 1.2.3-4a)Stage Shaft Absorbed Power (KW)1Flow Rates:110.80010.78418.12618.3981.706286.9690.255525.301SYMBOLVALUESYMBOLVALUEStandard MMscf/d19.919.9Shell Petroleum Development Company of NigeriaStandard m3/h23475.8423475.84Standard m3/sqs(st)6.52qd(st)6.52COMPRESSOR POWER[kW]2Pressures (Bar)Total Shaft Power (Including 5% for data inacuracies)551.57Gauge1016.2Total Driver Power (Including 4% for transmission losses)573.63AbsolutePs11Pd17.2GAS ENGINE DERATING3TemperaturesAltitude (-3.5% ISO for every 300 m above 150 m)Sea Level0.00oC42.981.6Temperature (-1.8% ISO for every 50C above 300C)4.68%600.47KTs315.9Td354.64Compressibility FactorsZZs0.9705Zd0.9694Av. Comp. FacZav0.94005Polytropic Efficiency (table 1.2.3-1)Minimumnp0.50NOTESMaximumnp1.001The calculations here presented are done in line with procedure outlinedAverage np0.75in Production Handbook Vol. 9, Chapter 1, Section 1.2.3,pages1-89 to 1-107.6Adiabatic exponent for gas (Cp/Cv)2Indicates Manual data input.MinimumCp/Cv1.2703Indicates selected option in line with guidelines as statedMaximunCp/Cv1.280in Production Handbook.Averagek1.2757Polytropic exponent for gasn1.40n-10.40n/(n-1)3.48(n-1)/n0.29B.GENERAL CALCULATIONS1Actual Vol. [m3/s]qs0.639qd0.4582Actual press. (bar)ps1(small)10.784pdN (large)17.802Calculation Spreadsheetps1(large)10.800pdN (small)17.5503Overall pressure ratio (pdN/ps1)ro1.654Max. Stage Ratiors1.715Number of Stages (Logro/Logrs)Q0.93Nearest Whole No.16Theoretical Stage Press. RatiorQ1.65
&L&13AGS-TEF-OTU-M14-00001-000&C&12 &13&P of &N
This document is controlled electronically and is uncontrolled when printed&R&13Mechanical Datasheet Otumara Main Compressor Package
