Repeat Prob. 9187 using helium as the working fluid. Data From Q#187: Using appropriate software, determine the effects of pressure

Question:

Repeat Prob. 9–187 using helium as the working fluid.

Data From Q#187:

Using appropriate software, determine the effects of pressure ratio, maximum cycle temperature, regenerator effectiveness, and compressor and turbine efficiencies on the net work output per unit mass and on the thermal efficiency of a regenerative Brayton cycle with air as the working fluid. Air is at 100 kPa and 300 K at the compressor inlet. Also, assume constant specific heats for air at room temperature. Determine the net work output and the thermal efficiency for all combinations of the following parameters:

Pressure ratio: 6, 10

Maximum cycle temperature: 1500, 2000 K

Compressor isentropic efficiency: 80, 100 percent

Turbine isentropic efficiency: 80, 100 percent

Regenerator effectiveness: 70, 90 percent

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Related Book For  answer-question

Thermodynamics An Engineering Approach

ISBN: 9781259822674

9th Edition

Authors: Yunus Cengel, Michael Boles, Mehmet Kanoglu

Question Details
Chapter # 9
Section: Problems
Problem: 189
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Question Posted: November 17, 2020 00:35:22