Steam enters the turbine of a vapor power plant at 600 lbf/in.2, 1300°F and exits as a two-phase liquid–vapor mixture at 90°F. Condensate exits the condenser at 85°F and is pumped to 600 lbf/in.2 The turbine and pump isentropic efficiencies are 90 and 80%, respectively. The net power developed is 1 MW.Determine:(a) the percent steam quality at the turbine exit.(b) the percent thermal efficiency.(c) the steam mass flow rate, in lb/h.

Solution - Given data - efficiecies - 90 and 80% P1 = 600 lbf/in2

Answered: Steam enters the turbine of a vapor…

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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Steam enters the turbine of a vapor power plant at 600 lbf/in.², 1300°F and exits as a two-phase liquid–vapor mixture at 90°F. Condensate exits the condenser at 85°F and is pumped to 600 lbf/in.² The turbine and pump isentropic efficiencies are 90 and 80%, respectively. The net power developed is 1 MW.

Determine:

(a) the percent steam quality at the turbine exit.

(b) the percent thermal efficiency.

(c) the steam mass flow rate, in lb/h.

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