Question: ( USE DETAIL STEPS FOR EACH CASE, SPECIALLY FOR THE DERIVATION OF THE EFFICIENCY FORMULA ) A certain Stirling engine realizes one half of its

(USE DETAIL STEPS FOR EACH CASE, SPECIALLY FOR THE DERIVATION OF THE EFFICIENCY FORMULA) A certain Stirling engine realizes one half of its
theoretical efficiency and operates between 1000 K and 400 K .
What is its efficiency with
a. A perfect heat regenerator, argon working fluid, and 10:1
compression?
b. The same as above but with a 20:1 compression ratio?
c. The same as in (1) but without the heat regenerator?
d. The same as in (2) but without the heat regenerator?
( USE DETAIL STEPS FOR EACH CASE, SPECIALLY FOR

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