Test and analysis on influences of low temperature on starting performance of turboshaft engine

被引：0
|
作者：
Liu W. [1 ]
Huang K. [1 ]
Wang X. [1 ]
Huang X. [1 ]
Jia L. [2 ]
机构：
[1] Hunan Aviation Powerplant Research Institute, Aero Engine Corporation of China, Zhuzhou, 412002, Hunan
[2] School of Power and Energy, Northwestern Polytechnical University, Xi'an
来源：
Hangkong Dongli Xuebao/Journal of Aerospace Power | 2019年 / 34卷 / 06期
关键词：
Ignition performance; Low temperature starting test; Resistance torque; Starting performance; Turboshaft engine; Warm-up effect;
D O I：
10.13224/j.cnki.jasp.2019.06.011
中图分类号：
学科分类号：
摘要：
To investigate the influences of low temperature on turboshaft engine starting performance, application and tailoring of national military standard were discussed. Low temperature starting tests were conducted at -34℃ based on oil temperature in four-hour cold soak process. The influences of resistance torque, residual torque, ignition performance and warm-up effect on cold starting performance were investigated. Results showed that, initial resistance torque under -34℃ was 2.25 times of 25℃ and 1.53 times near the ignition. The Sauter mean diameter (SMD) was smaller for ignition boundary in the lower temperature. The influences of warm-up effect on low temperature starting was significant and the start-up time with warm-up was extended by about 25%. Heating up on the engine and cutting off oil lubricating can reduce initial resistance torque and improve the ignition performance, thus improving the low temperature starting performance. The conclusion provides a reference for the low temperature starting test, starting fuel supply control law optimization and research of similar engines. © 2019, Editorial Department of Journal of Aerospace Power. All right reserved.
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页码：1282 / 1289
页数：7
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