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An actual Rankine Engine turbo-generator receives steam at a pressure of 10MPa and etropy of 6.931...

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Mechanical Engineering

An actual Rankine Engine turbo-generator receives steam at apressure of 10MPa and etropy of 6.931 j/kgK, the steam then expandsto 500kPa with a temperature of 250°C and leaves the condenser as asaturated liquid at 150°C.

a. find the engine thermal efficiency of the actual engine

b. The actual steam rate for the engine

c. if the mechanical efficiency is 80% and the generatorefficiency is 90%. What is the combined work in kW if mass steamflow rate is 5000kg/hr?

Answer & Explanation Solved by verified expert
3.9 Ratings (758 Votes)
GivenDataAccording to the data steam is received at the engine at 10 MPawhich is 100 bar at an entropy of 6931 JkgKThe steam expands to a pressure of 500 kPa which is 5 bar at atemperature of 250 degree celciusThe steam condenses in the    See Answer
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