A steam turbine is driven by 450 kg/h steam. The steam enters the turbine at 44 atm and 450 oC at a linear velocity of 55 m/s and leaves at a point 4 m below the turbine inlet at 1 atm and at a linear velocity of 300 m/s. The turbine delivers shaft work at a rate of 77 kW and the heat loss from the turbine is estimated to be 12.4 kW. Calculate the specific enthalpy change associated with the process.

The specific enthalpy for the process is to be determined.

Answered: A steam turbine is driven by 450 kg/h…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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A steam turbine is driven by 450 kg/h steam. The steam enters the turbine at 44 atm and 450 ^oC at a linear velocity of 55 m/s and leaves at a point 4 m below the turbine inlet at 1 atm and at a linear velocity of 300 m/s. The turbine delivers shaft work at a rate of 77 kW and the heat loss from the turbine is estimated to be 12.4 kW. Calculate the specific enthalpy change associated with the process.

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