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Thermodynamics by Prasanna Kumar

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Chapter 15

Vapour Power Cycles

LEARNING OBJECTIVES
  • To know the limitations of Carnot power cycle
  • To understand the basic Rankine cycle
  • To know the modifications to the basic Rankine cycle, their limitations and advantages
  • To understand the working of binary cycles, combined cycles and cogeneration
  • To know the difference between practical cycles and the ideal cycles
  • To conduct second law analysis of power cycles

15.1 Introduction

In vapour power cycles, a vapour is used as the working substance. In a majority of vapour power cycles, the working fluid is water. Water is first converted to steam at high pressure and expanded in nozzles to provide a high velocity jet. This jet impinges on turbine blades to rotate them at high speeds and thus ...

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