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A turbine receives steam at a pressure of 9.90 MPa and temperature of 648 °C. The condenser pressure is 0.225 MPa. For the actual engine, the brake engine efficiency is 85%, the driven generator efficiency is 95%, and the rated output of the generator is 20 MW. Find: a. Combined work b. Combined heat rate c. Mass flow for the rated power

A turbine receives steam at a pressure of 9.90 MPa and temperature of 648 °C. The condenser pressure is 0.225 MPa. For the actual engine, the brake engine efficiency is 85%, the driven generator efficiency is 95%, and the rated output of the generator is 20 MW. Find: a. Combined work b. Combined heat rate c. Mass flow for the rated power

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A turbine receives steam at a pressure of 9.90 MPa and temperature of 648 °C. The condenser pressure is 0.225 MPa. For the actual engine, the brake engine efficiency is 85%, the driven generator efficiency is 95%, and the rated output of the generator is 20 MW.

Find:

a. Combined work

b. Combined heat rate

c. Mass flow for the rated power

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