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why efficiency of gas turbines are lower than combustion engine​

Sagot :

The performance of power plants at partial load has become a significant operational consideration for electric power grids worldwide. This technical comparison examines the range of output and the part load efficiency of combustion engines and gas turbines, and how Wärtsilä power plants deliver enhanced flexibility.

Answer: decrease in the thermal efficiency is due to the decrease in the compressor efficiency and pressure ratio. 18.18. Trends in gas turbine power and thermal efficiency due to compressor fouling when operating at low power

Explanation: