The figure below gives the schematic of a vapor power plant in which water steadily circulates through the four components shown The water flows through the boiler and condenser at constant pressure and through the turbine and pump adiabatically. Kinetic and potential energy effects can be ignored. Process data follow: Process 4-1: constant pressure at 7 MPa from saturated liquid to saturated vapor Process 2-3: constant pressure at 14 kPa from x2 = 69.6% to x3 = 32.7% Pump Boiler Condenser Turbine W₁

The figure below gives the schematic of a vapor power plant in which water steadily circulates through the four components shown The water flows through the boiler and condenser at constant pressure and through the turbine and pump adiabatically. Kinetic and potential energy effects can be ignored. Process data follow: Process 4-1: constant pressure at 7 MPa from saturated liquid to saturated vapor Process 2-3: constant pressure at 14 kPa from x2 = 69.6% to x3 = 32.7% Pump Boiler Condenser Turbine W₁

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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Question

The figure below gives the schematic of a vapor power plant in which water steadily circulates through the four components shown.
The water flows through the boiler and condenser at constant pressure and through the turbine and pump adiabatically. Kinetic and
potential energy effects can be ignored. Process data follow:
Process 4-1: constant pressure at 7 MPa from saturated liquid to saturated vapor
Process 2-3: constant pressure at 14 kPa from x2 = 69.6% to x3 = 32.7%
Pump
lin
Boiler
Condenser
Qout
1
Turbine W₁

(a) Using Eq. 5.13 expressed on a time-rate basis, determine if the cycle is internally reversible, irreversible, or impossible.
(b) Determine the thermal efficiency using Eq. 5.4 expressed on a time-rate basis and steam table data.
(c) Determine the Carnot efficiency calculated using Eq. 5.9 with the boiler and condenser temperatures.

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