Abstract
Exergy analysis has sparked interest within the scientific community to require a more in-depth check up on the energy conversation devices. Exergy analysis gives entropy generation, irreversibility percentage exergy loss and second law efficiency. The exergy loss or irreversibility is the maximum at boiler. Thus to know about actual flow of exergy in the cycle thermodynamic analysis based on second law is desirable. In this report exergy analysis of operating condition of boiler has been carried out based on mass and exergy balance. The power plant boiler was simulated based on the measured operating data and the thermodynamic states of the plant components. . It has been found that maximum exergy destruction occurs due to combustion process. Exergy efficiency of boiler according to second law analysis and the exergy analysis of back pressure steam turbine is performed. It is found that at minimum flue gas outlet temperature second law efficiency is the maximum.
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