Repeat Problem 7.48 assuming the turbine and the pump each has an isentropic efficiency of 85%. Data

Question:

Repeat Problem 7.48 assuming the turbine and the pump each has an isentropic efficiency of 85%.


Data from Problem 7.48

Consider a steam turbine power plant operating near critical pressure, as shown in Fig. P7.48. As a first approximation, it may be assumed that the turbine and the pump processes are reversible and adiabatic. Neglecting any changes in kinetic and potential energies, calculate

a. The specific turbine work output and the turbine exit state
b. The pump work input and enthalpy at the pump exit state
c. The thermal efficiency of the cycle

P4 = P1 = 20 MPa
P2 = P3 = 20 kPa
T1 = 700°C
T3 = 40°C

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Fundamentals Of Thermodynamics

ISBN: 9781118131992

8th Edition

Authors: Claus Borgnakke, Richard E. Sonntag

Question Posted: