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An ideal gas is compressed steadily by an adiabatic, Wc (kW) compressor from P (kPa), T (°C) and Vi (m/s) to P2 (kPa) and V2 (m/s) at a rate of mc (kg/min). Assuming the surroundings to be at To (°C), determine the the change in the exergy of the gas and the rate of exergy destroyed during this process. Use constant specific heats cp = Cpgas (kJ/kgK), c, = Cvgas (kJ/kgK).

An ideal gas is compressed steadily by an adiabatic, Wc (kW) compressor from P (kPa), T (°C) and Vi (m/s) to P2 (kPa) and V2 (m/s) at a rate of mc (kg/min). Assuming the surroundings to be at To (°C), determine the the change in the exergy of the gas and the rate of exergy destroyed during this process. Use constant specific heats cp = Cpgas (kJ/kgK), c, = Cvgas (kJ/kgK).

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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Wc= 9 kW

P1= 260 kPa

T1= 4 Celcius degree

V1= 16 m/s

P2= 860 kPa

V2=50 m/s

mc= 0.05 kg/s

T0= 24 Celcius Degree

cpgas= 1.409 kJ/kgK

cvgas= 1.102 kJ/kgK

2. An ideal gas is compressed steadily by an adiabatic, Wc (kW) compressor from P (kPa), T1 (°C) and Vị (m/s) to P2 (kPa) and V2 (m/s) at a rate of mc (kg/min). Assuming the surroundings to be at To (°C), determine the the change in the exergy of the gas and the rate of exergy destroyed during this process. Use constant specific heats Cp = Cpgas (kJ/kgK), cv = Cvgas (kJ/kgK).
Transcribed Image Text:2. An ideal gas is compressed steadily by an adiabatic, Wc (kW) compressor from P (kPa), T1 (°C) and Vị (m/s) to P2 (kPa) and V2 (m/s) at a rate of mc (kg/min). Assuming the surroundings to be at To (°C), determine the the change in the exergy of the gas and the rate of exergy destroyed during this process. Use constant specific heats Cp = Cpgas (kJ/kgK), cv = Cvgas (kJ/kgK).
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