HW Linde process is used for air liquefaction. The high-pressure gas leaving the compressor is at 120 bar and is cooled to 306 K (516 kJ/kg) before it is sent through the heat exchanger where it exchanges heat with low pressure gas leaving the separator at 2 bar. A 14 K approach is desired at the hot end of the exchanger so that the low-pressure gas leaving the exchanger is at 292 K (526 kJ/kg). Enthalpy of saturated liquid and saturated vapour at 2 bar are 121 kJ/kg and 314 kJ/kg, respectively. Determine: (a) The fraction of the air liquefied during expansion. (b) Temperature of the air on the high-pressure side of the throttle valve. H.WLinde process is used for air liquefaction. The high-pressure gas leaving thecompressor is at 120 bar and is cooled to 306 K (516 kJ/kg) before it is sentthrough the heat exchanger where it exchanges heat with low pressure gas leavingthe separator at 2 bar. A 14 K approach is desired at the hot end of the exchangerso that the low-pressure gas leaving the exchanger is at 292 K (526 kJ/kg).Enthalpy of saturated liquid and saturated vapour at 2 bar are 121 kJ/kg andkJ/kg, respectively. Determine:(a) The fraction of the air liquefied during expansion.(b) Temperature of the air on the high-pressure side of the throttle valve.

This problem is related to fluid mechanics. Fluid mechanics is the subject of mechanical engineering…

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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HW Linde process is used for air liquefaction. The high-pressure gas leaving the compressor is at 120 bar and is cooled to 306 K (516 kJ/kg) before it is sent through the heat exchanger where it exchanges heat with low pressure gas leaving the separator at 2 bar. A 14 K approach is desired at the hot end of the exchanger so that the low-pressure gas leaving the exchanger is at 292 K (526 kJ/kg). Enthalpy of saturated liquid and saturated vapour at 2 bar are 121 kJ/kg and 314 kJ/kg, respectively. Determine: (a) The fraction of the air liquefied during expansion. (b) Temperature of the air on the high-pressure side of the throttle valve.

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