In an ideal Brayton cycle operating according to the acceptance of air standards, air enters the compressor at 20 °C and 100 kPa pressure. The highest temperature of the cycle is 1100 °C. Since the mass flow rate of the air is 10 kg/s and the pressure ratio of the cycle is 12, (Assume the specific heats do not change with temperature.) a) Find the compressor work (kW). b) Find the turbine work (kW). c) Find the amount of heat (kW) entering the system. d) Find the thermal efficiency of the cycle.

In an ideal Brayton cycle operating according to the acceptance of air standards, air enters the compressor at 20 °C and 100 kPa pressure. The highest temperature of the cycle is 1100 °C. Since the mass flow rate of the air is 10 kg/s and the pressure ratio of the cycle is 12, (Assume the specific heats do not change with temperature.) a) Find the compressor work (kW). b) Find the turbine work (kW). c) Find the amount of heat (kW) entering the system. d) Find the thermal efficiency of the cycle.

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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Question

100%

(cp = 1.005
kJ/kg.K, cy = 0.718 kJ/kg.K, R= 0.287 kJ/kgK, k=1.4)
%3D
P= 100 kPa
In an ideal Brayton cycle operating according to the acceptance of air
standards, air enters the compressor at 20 °C and 100 kPa pressure.
The highest temperature of the cycle is 1100 °C. Since the mass flow
rate of the air is 10 kg/s and the pressure ratio of the cycle is 12,
(Assume the specific heats do not change with temperature.)
a) Find the compressor work (kW).
b) Find the turbine work (kw).
c) Find the amount of heat (kW) entering the system.
d) Find the thermal efficiency of the cycle.

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