|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:
机电与信息科技
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:

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[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.
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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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