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Page 1: Thermo Compressor Calculator

THERMOCOMPRESSOR CALCULATIONS

INPUTS Symbl Value Units Value UnitsSuction Pressure Pob 3.5 kg/cm2(g) 50 psiSuction Temperature Tob 237 deg C 459 deg FDischarge Pressure Po3 8 kg/cm2(g) 114 psiDischarge Temperature To3 (To be calculated)Motive Pressure Poa 43 kg/cm2(g) 611 psiMotive Temperature Toa 420 deg C 788 deg F

CALCULATIONSCompression Ratio Po3/Poa 2.29Suction to Motive Ratio Pob/Poa 0.081Area Ratio (from Chart) A2/A1 50Entrainment Ratio (from Chart) Wb/Wa 0.65

RESULTSCorrected Entrainment Ratio W/Wa = (Wb/Wa) * SQRT(ToaMb / TobMa)(for Temp & Molecular Wt) 0.85

Suction Stream Wb 1700 kg/hrMotive Stream Wa 1995 kg/hrDischarge Stream W03 3695 kg/hrDischarge Temperature To3 deg C

Motive Pressure 60 kg/cm2(g) 59.85 baraMotive Temperature 320 deg C 593.16 Deg KMotive Flow 608 kg/hrEnthaply 705.03 kcal/kg 2954.08 KJ/kg

Suction Pressure 9 kg/cm2(g) 9.84 baraSuction Temperature 196 deg C 469.16 Deg KSuction flow 692 kg/hrEnthalpy 672.91 2819.5 KJ/kg

Discharge Pressure 12 kg/cm2(g) 12.78 baraDischarge Temperature 228 deg C 187.95 sat deg cDischarge Flow 1300 kg/hrEnthalpy 687.93 2882.44 KJ/kg

Page 2: Thermo Compressor Calculator

THERMOCOMPRESSOR CALCULATIONS

INPUTS Symbl Value Units ValueSuction Pressure Pob kg/cm2(g) 2.94Suction Temperature Tob deg CDischarge Pressure Po3 kg/cm2(g) 14.7Discharge Temperature To3 deg CMotive Pressure Poa kg/cm2(g) 100Motive Temperature Toa deg C

CALCULATIONSCompression Ratio Po3/Poa 5Suction to Motive Ratio Pob/Poa 0.03Area Ratio (from Chart) A2/A1 12Entrainment Ratio (from Chart) Wb/Wa 0.15

RESULTSCorrected Entrainment Ratio W/Wa = (Wb/Wa) * SQRT(ToaMb / ToaMa)Suction Stream Wb kgMotive Stream Wa kg

1000150

Page 3: Thermo Compressor Calculator

Unitspsideg Fpsideg Fpsideg F

= (Wb/Wa) * SQRT(ToaMb / ToaMa)lblb

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