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Air as ideal gas enters a compressor at inlet pressure 96 kPa, T₁ = 27C and volumetric flow rate is 26.91 m³/min and exits at 230 kPa and 127C. It is then cooled to 77C in heat exchanger which uses water with an inlet temperature at 25C and outlet temperature 40C. Determine (a) the compresor, in kW, and the mass flow rate of the cooling water, in kg/s (b) the rates of entropy production, each in kW/K, for the compressor and the heat exchanger.

Air as ideal gas enters a compressor at inlet pressure 96 kPa, T₁ = 27C and volumetric flow rate is 26.91 m³/min and exits at 230 kPa and 127C. It is then cooled to 77C in heat exchanger which uses water with an inlet temperature at 25C and outlet temperature 40C. Determine (a) the compresor, in kW, and the mass flow rate of the cooling water, in kg/s (b) the rates of entropy production, each in kW/K, for the compressor and the heat exchanger.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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2. Air as ideal gas enters a compressor at inlet pressure 96 kPa, T₁ = 27C and volumetric flow rate is 26.91 m³/min and exits at 230 kPa and 127C. It is then cooled to 77C in heat exchanger which uses water with an inlet temperature at 25C and outlet temperature 40C. Determine (a) the compresor, in kW, and the mass flow rate of the cooling water, in kg/s (b) the rates of entropy production, each in kW/K, for the compressor and the heat exchanger.
Transcribed Image Text:2. Air as ideal gas enters a compressor at inlet pressure 96 kPa, T₁ = 27C and volumetric flow rate is 26.91 m³/min and exits at 230 kPa and 127C. It is then cooled to 77C in heat exchanger which uses water with an inlet temperature at 25C and outlet temperature 40C. Determine (a) the compresor, in kW, and the mass flow rate of the cooling water, in kg/s (b) the rates of entropy production, each in kW/K, for the compressor and the heat exchanger.
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