|本期目录/Table of Contents|

[1]张晓东,董若凌,施红辉,等.不同孔型对气膜冷却效果影响的数值模拟[J].浙江理工大学学报,2013,30(03):340-344.
 ZHANG Xiao dong,DONG Ruo ling,SHI Hong hui,et al.Numerical Simulation of Influence of Different Hole Patterns on Air Film Cooling Effect[J].Journal of Zhejiang Sci-Tech University,2013,30(03):340-344.
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不同孔型对气膜冷却效果影响的数值模拟()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第30卷
期数:
2013年03期
页码:
340-344
栏目:
出版日期:
2013-05-10

文章信息/Info

Title:
Numerical Simulation of Influence of Different Hole Patterns on Air Film Cooling Effect
文章编号:
1673 3851 (2013) 03 0340 05
作者:
张晓东 董若凌 施红辉 陈伟 沈伟杰 张苹
1.浙江理工大学机械与自动控制学院, 杭州 310018; 2.杭州职业技术学院, 杭州 310018
Author(s):
ZHANG Xiao dong DONG Ruo ling SHI Hong hui CHEN Wei SHEN Wei jie ZHANG Ping
1. School of Machinery and Automation, Zhejiang Sci-Tech University, Hangzhou 310018, China; 2. Hangzhou Vocational Technical College, Hangzhou 310018, China
关键词:
气膜冷却 数值模拟 孔型 肾型涡
分类号:
V231.2
文献标志码:
A
摘要:
为了解气膜冷却技术中孔型作用的影响,采用数值模拟方法,在主流速度20m/s,湍流度6%,主、射流温分别为333K和293K的条件下,考察无复合角、流向角为35°时的圆柱孔、收缩扩散孔和反涡孔进行平板气膜冷却的冷却效果。其中,圆孔孔径12.7mm,长径比3.5,与集气室连接面形式同于其余孔型。模拟过程中,湍流Realizable k-ε方程,标准壁面函数处理边界,SIMPLEC算法实现压力、速度耦合。结果表明:由于反涡射流抑制了肾型涡的形成并减弱了肾型涡的强度,反涡孔的冷却效果和覆盖区域优于其他两孔型。

参考文献/References:

[1] 韩介勤, 杜达 S, 艾卡德S V. 燃气轮机传热和冷却技术[M]. 程代京, 谢永慧, 译. 西安: 西安交通大学出版社, 2005: 3-50.
[2] Goldstein R J, Eckert E R G, Burggraf F. Effect of hole geometry and density on threedimensional film cooling[J]. International Journal of Heat Mass Transfer, 1974, 17(5): 595-607.
[3] 刘存良, 朱惠人, 白江涛. 收缩扩张形气膜孔提高气膜冷却效率的机理研究[J]. 航空动力学报, 2008, 23(4): 598-604
[4] Dhungel A, Lu Yiping, Phillips W, et al. Film cooling from a row of holes supplemented with antivortex holes[J]. Journal of Turbo Machinery, 2009,131(4):1-10.
[5] Pietrzyk J R, Bogard D G, Crawford M E. Effects of density ration on the hydrodynamics of film cooling[J]. Journal of Turbo Machinery, 1990, 112(3): 437-443.
[6] Sinha A K, Bogard D G, Crawford M E. Filmcooling effectiveness downstream of a single row of holes with variable density ratio[J]. Journal of Turbo Machinery, 1991,113(3): 442-449.
[7] Walters D K, Leylek J H. A systematic computational methodology applied to a threedimensional filmcooling flow filed[J]. Journal of Turbo Machinery, 1997, 119(3): 437-443.
[8] 康顺. 冷却孔附近三维流动的结构[J]. 工程热物理学报, 2009, 27(5): 754-756.
[9] Jovanovi M B, de Lange H C, Van Steenhoven A A. Effect of hole imperfection on adiabatic film cooling effectiveness [J]. International Journal of Heat and Fluid Flow, 2008, 29(2): 377-386.
[10] Heidmann J D, Srinath Ekkad. A novel antivortex turbine filmcooling hole concept [J]. Journal of Turbo machinery, 2008, 130(6):1-9.
[11] 雷云涛, 林智荣, 袁新. 不同吹风比下平板气膜冷却数值模拟[J]. 清华大学学报: 自然科学版, 2008, 48(8): 1331-1334.
[12] 郭婷婷, 刘建红, 宋东辉, 等. 不同形状气膜孔对气膜冷却效果的影响[J]. 动力工程, 2006, 26(3): 333-336.
[13] 康顺, 马丽, 陈党慧. 矩形冷却孔附近流动的数值研究[C]//北京. 中国工程热物理学会学术会议论文: 热机气动热力学, 2006: 291-297.

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备注/Memo

备注/Memo:
作者简介: 张晓东(1986-),男,浙江海宁人,硕士研究生,主要从事汽车制造技术的研究。
通信作者: 董若凌,电子邮箱:dongruoling@zstu.edu.cn
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