Conversion methods of turbofan-engine exhaust gas temperaturewith consideration of use factors

张红涛; 骆广琦; 杨武奎; 陈礼顺

doi:10.13224/j.cnki.jasp.2018.06.023

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Conversion methods of turbofan-engine exhaust gas temperaturewith consideration of use factors

更新时间：2026-07-07

- Conversion methods of turbofan-engine exhaust gas temperaturewith consideration of use factors
- Vol. 33, Issue 6, Pages: 1492-1499(2018)
- 作者机构：
  
  1. 空军工程大学航空航天工程学院,西安,710038
  2. 襄阳航泰动力机器厂,湖北,襄阳,441002
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2018.06.023
  CLC：
- Published：2018
- 稿件说明：
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张红涛, 骆广琦, 杨武奎, 陈礼顺. 考虑使用因素的涡扇发动机排气温度换算方法[J]. 航空动力学报, 2018, 33(6): 1492-1499.

doi: 10.13224/j.cnki.jasp.2018.06.023
张红涛, 骆广琦, 杨武奎, 陈礼顺. 考虑使用因素的涡扇发动机排气温度换算方法[J]. 航空动力学报, 2018, 33(6): 1492-1499. DOI： 10.13224/j.cnki.jasp.2018.06.023.

doi: 10.13224/j.cnki.jasp.2018.06.023 DOI：

摘要

针对某型涡扇发动机厂内排气温度换算值验收合格而外场地面检查实测值偶有不合格的问题

分析了只考虑大气温度单一因素的排气温度换算方法的缺陷。提出了一种综合考虑非标准大气和调节规律使用因素的换算方法

建立了数学模型

计算得到了非标准大气的修正系数和调节规律的修正系数

并经试车试验验证。结果表明：提出的考虑使用因素的换算方法符合发动机的实际使用条件

所获得的修正系数与试车试验数据的相对误差小于1.3%

有效解决了排气温度厂内验收合格而外场地面开车不合格的问题。

Abstract

For the problem about qualified acceptance conversion exhaust gas temperature value of a type of turbofan-engine in the factory but occasionally unqualified exhaust gas temperature measurement value in the offsite ground test

the defect of exhaust gas temperature conversion method only considering single factor of air temperature was analyzed. A kind of exhaust gas temperature conversion method comprehensively considering use factors including the nonstandard atmosphere and the adjust law was put forward

the mathematics model was established

and the correcting coefficient of nonstandard atmosphere and the correcting coefficient of adjust law were obtained by calculation

which were verified by test on the bench. As a result

exhaust gas temperature conversion method considering use factors met the actual conditions of the engine

the relative error between the correcting coefficient obtained and the trial test data was less than 1.3%

effectively solving the problem about qualified conversion exhaust gas temperature value in the factory but unqualified exhaust gas temperature measurement value in the offsite ground test.

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