一种涡轮叶尖间隙控制技术

杨家礼; 涂孟罴; 张亿力; 张立章; 阳诚武

doi:10.13224/j.cnki.jasp.2014.09.025

一种涡轮叶尖间隙控制技术

doi: 10.13224/j.cnki.jasp.2014.09.025

1. 中国航空工业集团公司中国航空动力机械研究所, 湖南株洲 412002;
2. 中国科学院大学, 北京 100190

基金项目:

国家高技术研究发展计划（2008AA050502）

详细信息

作者简介:
杨家礼（1963-），男，湖南常德人，高级工程师，主要从事燃气轮机涡轮研究.

中图分类号: V235.1
计量
- 文章访问数: 1402
- HTML浏览量: 8
- PDF量: 819
- 被引次数: 0
出版历程
- 收稿日期: 2013-06-30
- 刊出日期: 2014-09-28

A tip clearance control technology for turbine

1. China Aviation Powerplant Research Institute, Aviation Industry Corporation of China, Zhuzhou Hunan 412002, China;
2. Graduate University of Chinese Academy of Sciences, Beijing 100190, China

摘要

摘要: 基于涡轮叶尖间隙的变化机理，设计了一种冷气自动调节机构，该机构无需其他外界动力，可根据工况的变化而自动调节冷气限流嘴的节流面积，控制涡轮外环冷气量，以控制涡轮外环的直径，从而有效控制涡轮叶尖间隙的变化趋势，维持涡轮叶尖间隙在合理范围.对3个不同工况涡轮采用与未采用涡轮叶尖间隙控制机构分别进行了计算，结果表明：采用涡轮叶尖间隙控制机构的涡轮叶尖间隙随工况变化的变化率为6.5%，未采用涡轮叶尖间隙控制机构的涡轮叶尖间隙随工况变化的变化率为20%.因此，采用该机构可以达到控制涡轮叶尖间隙变化的目的.
- 燃气轮机 /
- 叶尖间隙 /
- 限流嘴 /
- 涡轮外环 /
- 冷气量
Abstract: Based on the theory of turbine tip clearance change, a structure was developed to adjust the choke acreage of the cooling air flow throttle automatically without other drivers, and the cooling air of turbine casing was controlled to regulate the turbine casing diameter. So the turbine tip clearance was limited in a certain range and its trend was controlled effectively. Three cases were simulated for a general turbine with or without turbine tip clearance control structure. The results show that the turbine tip clearance control structure can adjust the cooling air for turbine casing and the change rate of turbine tip clearance is 6.5%, however, the change rate of the turbine tip clearance without the structure is 20%. So the structure is beneficial to control the change of turbine tip clearance.
- gas turbine /
- tip clearance /
- flow controller /
- turbine casing /
- cooling air flow

HTML

参考文献(15)

[1]	王大磊,朴英.叶尖间隙高度对某高压涡轮级损失分布的影响[J].航空动力学报,2012,27(1):169-175. WANG Dalei,PIAO Ying.Influence of tip clearance size on flow losses of a transonic high pressure turbine stage[J].Journal of Aerospace Power,2012,27(1):169-175.(in Chinese)
[2]	曾军,王鹏飞.民用航空发动机涡轮叶尖间隙主动控制技术分析[J].航空科学技术,2012,24(2):1-6. ZENG Jun,WANG Pengfei.Analysis on turbine active clearance control technology of civil aircraft engine[J].Aeronautical Science and Technology,2012,24(2):1-6.(in Chinese)
[3]	贾丙辉,张小栋,任新宇.转子对高压涡轮叶尖间隙变化规律的影响[J].振动、测试与诊断,2012,32(3):488-492. JIA Binghui,ZHANG Xiaodong,REN Xinyu.Effect of rotor on changes phenomena of turbine tip clearance[J].Journal of Vibration,Measurement and Diagnosis,2012,32(3):488-492.(in Chinese)
[4]	牛冬生,陈伟,漆文凯.涡轮叶尖间隙计算实现方法与结果分析[J].燃气涡轮试验与研究,2004,17(4):31-34. NIU Dongsheng,CHEN Wei,QI Wenkai.Calculation program for turbine tip clearance and result analysis[J].Gas Turbine Experiment and Research,2004,17(4):31-34.(in Chinese)
[5]	漆文凯,陈伟.某型航空发动机高压涡轮叶尖间隙数值分析[J].南京航空航天大学学报,2003,35(1):63-67. QI Wenkai,CHEN Wei.Tip clearance numerical analysis of an aero-engine HPT[J].Journal of Nanjing University of Aeronautics and Astronautics,2003,35(1):63-67.(in Chinese)
[6]	Tallman J,Lajsgnubarataba B.Numerical simulation of tip leakage flows in axial flow turbines,with emphasis on flow physics:Part Ⅰ effec of tip clearance height[J].Journal of Turbomachinery,2001,123(2):314-323.
[7]	贾丙辉,张小栋,彭凯.机动飞行下的涡轮叶尖间隙动态变化规律[J].航空动力学报,2011,26(12):2757-2764. JIA Binghui,ZHANG Xiaodong,PENG Kai.Dynamic changes rule of aero-engine turbine tip clearance in maneuver flight[J].Journal of Aerospace Power,2011,26(12):2757-2764.(in Chinese)
[8]	赵旺东,周禹彬,杨锐.叶尖间隙对涡轮气动性能影响的试验研究[J].燃气涡轮试验与研究,2009,22(3):19-44. ZHAO Wangdong,ZHOU Yubin,YANG Rui.Effects of turbine tip clearance on gas turbine performance[J].Gas Turbine Experiment and Research,2009,22(3):19-44.(in Chinese)
[9]	Bringhenti C.Effects of turbine tip clearance on gas turbine performance[R].ASME Paper GT2008-50196,2008.
[10]	Taylor S C,Steinetz B M,Oswald J J.High temperature evaluation of an active clearance control system concept[R].AIAA-2006-4750,2006.
[11]	李伟,乔渭阳,许开富,等.涡轮叶尖间隙泄漏流动主动控制数值模拟[J].航空动力学报,2008,23(7):1260-1265. LI Wei,QIAO Weiyang,XU Kaifu,et al.Numerical simulation of active control on tip leakage flow in axial turbine[J].Journal of Aerospace Power,2008,23(7):1260-1265.(in Chinese)
[12]	罗飞腾,宋文艳,李建平,等.某型发动机高压12级转子叶尖间隙控制研究[J].航空动力学报,2009,24(4):851-857. LUO Feiteng,SONG Wenyan,LI Jianping,et al.Research on turbofan engine HP-compressor rotor-12 blade tip clearance control[J].Journal of Aerospace Power,2009,24(4):851-857.(in Chinese)
[13]	黄忠湖,王月奇.叶尖间隙对跨音涡轮性能影响的试验研究[J].航空动力学报,1989,4(4):301-304,388. HUANG Zhonghu,WANG Yueqi.An experiment study of tip clearance effects on the performance of an axial transonic turbine[J].Journal of Aerospace Power,1989,4(4):301-304,388.(in Chinese)
[14]	岂兴明,朴英,祝剑虹,等.某型航空发动机高压涡轮叶顶间隙三维数值分析[J].航空动力学报,2008,23(5):904-908. QI Xingming,PIAO Ying,ZHU Jianhong,et al.3-D numerical analysis of the tip clearance of an aero-engine high pressure turbine[J].Journal of Aerospace Power,2008,23(5):904-908.(in Chinese)
[15]	杨家礼,温泉,涂孟罴,等.冷却装置:中国,201210086780.7[P].2014-01-29.