Answer
Higher the temperature difference during heat transfer causes higher irreversibility. In gas turbine, temperature inside the combustion chamber is very high compare to surrounding temperature hence combustion is most significant source of energy destruction due to irreversibility.
Work Step by Step
Higher the temperature difference during heat transfer causes higher irreversibility. In gas turbine, temperature inside the combustion chamber is very high compare to surrounding temperature hence combustion is most significant source of energy destruction due to irreversibility.