a) State the advantages and disadvantages of the following in regard to  gas turbine cycles. i) Intercooling between compression stages ii) Reheating between expansion stages iii) The use of regenerator

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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a) State the advantages and disadvantages of the following in regard to  gas turbine cycles.

i) Intercooling between compression stages

ii) Reheating between expansion stages

iii) The use of regenerator

b) An ideal gas turbine cycle with two stages of compression and two stages of expansion has an overall pressure ratio of 8. The pressure ratio is the same in each stage. Air enters each stage of the compressor at 300k and each stage of the turbine at 1300k.

Determine per kg of air ,the ratio of total compressor power input to thr turbine power output and the thermal efficiency of this cycle for;

i) No regenerator is employed

ii) A regenerator with 80% and with 100% effectiveness is employed.

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