Answered: It is proposed to use a Brayton 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 15

15 It is proposed to use a Brayton cycle with an intercooler added to the compressor. Air enters the
compressor at 100 kPa and 25 ˚C and eventually leaves the compressor at a pressure of 1500 kPa.
The mass flow rate of the air is 50 kg/s. Consider the specific heats of the air to be constant. The
isentropic efficiency of the compressor is 0.80.

Determine the temperatures and the power required by the compressor if the compression occurs
in one step,
Determine the temperatures, pressures and the power required by the compressor if the air is
compressed to 400 kPa, directed toward an intercooler where it is cooled to 25 ˚C, and then
returned to the compressor then completes the compression t 1500 kPa.
Sketch an appropriate T-s diagram and flow diagram of the system in 4.2.

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