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Solved: An isentropic steam turbine processes 2 kg/s of
Chapter 7, Problem 749(choose chapter or problem)
An isentropic steam turbine processes 2 kg/s of steam at 3 MPa, which is exhausted at 50 kPa and 1008C. 5 percent of this flow is diverted for feedwater heating at 500 kPa. Determine the power produced by this turbine, in kW.
Questions & Answers
QUESTION:
An isentropic steam turbine processes 2 kg/s of steam at 3 MPa, which is exhausted at 50 kPa and 1008C. 5 percent of this flow is diverted for feedwater heating at 500 kPa. Determine the power produced by this turbine, in kW.
ANSWER:Step 1 of 6
Steam is expanded in an isentropic turbine. The work produced is to be determined.
Refer to the $$T-s$$ diagram below.
Assumptions are
1. This is a steady-flow process since there is no change with time.
2. The process is isentropic (i.e., reversible-adiabatic).