Volume 33 Issue 11
Nov.  2018
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Parameter correction of gas turbine based on an empirical method[J]. Journal of Aerospace Power, 2018, 33(11): 2802-2808. doi: 10.13224/j.cnki.jasp.2018.11.027
Citation: Parameter correction of gas turbine based on an empirical method[J]. Journal of Aerospace Power, 2018, 33(11): 2802-2808. doi: 10.13224/j.cnki.jasp.2018.11.027

Parameter correction of gas turbine based on an empirical method

doi: 10.13224/j.cnki.jasp.2018.11.027
  • Received Date: 2018-01-31
  • Publish Date: 2018-11-28
  • In order to correct the gas turbine parameter and eliminate the influence of environmental temperature and pressure when assessing the gas turbine engine performance, an empirical method was proposed. The correction exponents were determined by the slope of regression line to the ambient temperature (or ambient pressure), the average of ambient temperature (or ambient pressure) and the average of target parameter, to correct the target parameter. The test data analyses showed that the proposed empirical correction method can more effectively eliminate the influence of ambient temperature and ambient pressure compared with regular correction method, and the correlation coefficient of empirical corrected performance parameter and the ambient temperature (or ambient pressure) was close to zero. The empirical corrected parameters can reflect the state change trend of gas turbine itself well, making it convenient for performance assessment.

     

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