The performance of a gas turbine is related to environmental temperatures and its output decreases with the increase of gas inlettemperature, which can be solved by cooling the inlet gas.
燃气轮机的性能与环境温度有关，其出力随燃气进气温度升高而降低的问题可通过冷却燃气进气来解决。
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This paper calculates the temperature of inlet air, and analyzes precedence of gas turbine inlet air-cooling by water spray evaporative cooling in Xinjiang area.
This paper introduces the parameter estimation research for the turbineinlettemperature and compressor exit pressure by using the engine variables measured under the different flight conditions.