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超临界压力下航空煤油水平管内对流换热特性数值研究
Alternative TitleNumerical study of convective heat transfer characteristics of kerosene flowing in a horizontal pipe at supercritical pressure
李勋锋; 仲峰泉; 范学军; 淮秀兰; 蔡军
Source Publication航空动力学报
2010-08-15
Volume25Issue:8Pages:1690-1697
ISSN1000-8055
Abstract采用RNG(renormalization group)k-ε湍流模型和近壁区的Wolfstein一方程模型对超临界压力下大庆RP-3航空煤油在水平圆管内的流动和换热特性进行了数值研究.超临界压力下,由于航空煤油在拟临界点附近热物性的剧烈变化,浮升力将引起显著的二次流动.二次流动使得水平圆管的下表面湍流强度和对流换热增强,而上表面的湍流强度和对流换热减弱.最后分析了两种水平管内对流换热受浮升力影响判别标准在超临界流体中的适用性
Keyword超临界压力 航空煤油 数值研究 浮升力 强化传热
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Indexed ByEI ; CSCD
Language中文
Funding Organization国家自然科学基金(10672169)
CSCD IDCSCD:3967586
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43884
Collection高温气体动力学国家重点实验室
Corresponding Author李勋锋
Recommended Citation
GB/T 7714
李勋锋,仲峰泉,范学军,等. 超临界压力下航空煤油水平管内对流换热特性数值研究[J]. 航空动力学报,2010,25(8):1690-1697.
APA 李勋锋,仲峰泉,范学军,淮秀兰,&蔡军.(2010).超临界压力下航空煤油水平管内对流换热特性数值研究.航空动力学报,25(8),1690-1697.
MLA 李勋锋,et al."超临界压力下航空煤油水平管内对流换热特性数值研究".航空动力学报 25.8(2010):1690-1697.
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