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Gas Turbine Power Plants

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Ideal Brayton Cycle fuel open Brayton cycle closed Brayton cycle Influence of Irreversibilities EXAMPLE For a gas turbine operating at a compression ratio of 6, ... – PowerPoint PPT presentation

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Title: Gas Turbine Power Plants


1
Gas Turbine Power Plants
  • In certain situations it is desirable to have a
    more portable power generator (e.g. on aircraft,
    boats,building sites). This can be accomplished
    through the use of internal combustion.
  • OBJECTIVES
  • to examine power systems which use only a gas as
    the working fluid

2
Ideal Brayton Cycle
closed Brayton cycle
open Brayton cycle
fuel
3
Influence of Irreversibilities
4
EXAMPLE
  • For a gas turbine operating at a compression
    ratio of 6, taking in air at room temperature (25
    ºC), and having a temperature in the combustion
    chamber of 760 ºC, determine the efficiency of
    the reversible case and the irreversible
    operation case if the turbine efficiency is 86
    and the compressor efficiency is 83.

5
Combined Brayton/Rankine Power Cycle
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