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(Solution) - One technique for operating a steam turbine in part load power

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One technique for operating a steam turbine in part-load power output is to throttle the steam to a lower pressure before it enters the turbine. The steam line conditions are 2 MPa, 400?C, and the turbine exhaust pressure is fixed at 10 kPa. Assuming the expansion inside the turbine to be reversible and adiabatic, determine


a. The full-load specific work output of the turbine


b. The pressure the steam must be throttled to for 80% of full-load output


c. Show both processes in a T?s diagram.


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This question was answered on: Jul 11, 2017

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