Gas oil at 210 °C is to be cooled to 30 °C and its flow-rate is 20,000 kg/h. The temperature available of cooling water is 25 °C to 55 °C. The pressure drop allowance for each stream is 100 kN/m?. Design Tube-side and Shell-side coefficient Physical properties Water Gas oil T, °C 40 120 Cp, kJ kg1 °C-1 k, kWm-l °C-1 4.18 2.28 631 x 10-6 0.125 H, mNm2s 671 x 10-3 0.17 p, kg m3 992.8 850

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter7: Forced Convection Inside Tubes And Ducts
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Problem 7.20P
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Gas oil at 210 °C is to be cooled to 30 °C and its flow-rate is 20,000 kg/h. The temperature
available of cooling water is 25 °C to 55 °C. The pressure drop allowance for each stream is
100 kN/m?.
Design Tube-side and Shell-side coefficient
Physical properties
Water
Gas oil
T, °C
40
120
Ср, kJ kg1 оC-1
4.18
2.28
k, kWm-1 °C-1
631 x 10-6
0.125
µ, mNm-2s
671 x 10-3
0.17
P, kg m3
992.8
850
Transcribed Image Text:Gas oil at 210 °C is to be cooled to 30 °C and its flow-rate is 20,000 kg/h. The temperature available of cooling water is 25 °C to 55 °C. The pressure drop allowance for each stream is 100 kN/m?. Design Tube-side and Shell-side coefficient Physical properties Water Gas oil T, °C 40 120 Ср, kJ kg1 оC-1 4.18 2.28 k, kWm-1 °C-1 631 x 10-6 0.125 µ, mNm-2s 671 x 10-3 0.17 P, kg m3 992.8 850
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