Steam at 32 MPa, 520C enters the first stage of a supercritical reheat cycle including three turbine
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Question:
Steam at 32 MPa, 520C enters the first stage of a supercritical
reheat cycle including three turbine stages. Steam exiting
the first-stage turbine at pressure p is reheated at constant
pressure to 440C, and steam exiting the second-stage turbine
at 0.5 MPa is reheated at constant pressure to 360C. Each turbine
stage and the pump has an isentropic efficiency of 85%.
The condenser pressure is 8 kPa.
(a) For p 4 MPa, determine the net work per unit mass of
steam flowing, in kJ/kg, and the thermal efficiency.
(b) Plot the quantities of part (a) versus p ranging from 0.5 to
10 MPa.
Related Book For
Thermodynamics An Interactive Approach
ISBN: 978-0130351173
1st edition
Authors: Subrata Bhattacharjee
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