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14 May, 08:03

Regeneration can only increase the efficiency of a Brayton cycle when working fluid leaving the turbine is hotter than the working fluid leaving the compressor a. TRUE b. FALSE

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Answers (2)
  1. 14 May, 08:25
    0
    True

    Explanation:

    The regeneration in the Brayton Cycle is very important in the process of combustion because when hot air or hot fluid leaves the turbine with direction to the compresor it pre-heats the fluids that are going to be forming part of the combustion process seconds later, so this increases the efficency of the Vrayton Cycle, if the fluid leaving the turbine is cooler than the fluid leaving the compressor then it will cool it off and would actually be inefficient.
  2. 14 May, 09:28
    0
    True, Regeneration is the only process where increases the efficiency of a Brayton cycle when working fluid leaving the turbine is hotter than working fluid leaving the compressor.

    Option: A

    Explanation:

    To increase the efficiency of brayton cycle there are three ways which includes inter-cooling, reheating and regeneration. Regeneration technique is used when a turbine exhaust fluids have higher temperature than the working fluid leaving the compressor of the turbine.

    Thermal efficiency of a turbine is increased as the exhaust fluid having higher temperatures are used in heat exchanger where the fluids from the compressor enters and increases the temperature of the fluids leaving the compressor.
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