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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 80°F. Condensate exits the condenser at 75°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.

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 80°F. Condensate exits the condenser at 75°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.

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
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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 80°F. Condensate exits the condenser at 75°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.
Transcribed Image Text: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 80°F. Condensate exits the condenser at 75°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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