Large eddy simulation of a slot jet impinging on a convex surface

被引：18
|
作者：
Benhacine, Adra [2 ]
Kharoua, Nabil [1 ]
Khezzar, Lyes [1 ]
Nemouchi, Zoubir [2 ]
机构：
[1] Petr Inst, Dept Mech Engn, Abu Dhabi, U Arab Emirates
[2] Univ Mentouri Constantine, LEAP, Dept Genie Mecan, Constantine, Algeria
来源：
HEAT AND MASS TRANSFER | 2012年 / 48卷 / 01期
关键词：
TURBULENT PLANE JET; HEAT-TRANSFER; ROUND JET; FLOW; IMPINGEMENT; VISUALIZATION; CLOSURE; REGION; MODEL;
D O I：
10.1007/s00231-011-0835-3
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A large eddy simulation is used to simulate flow and heat transfer in a turbulent plane jet with two distances from the jet-exit to impingement corresponding to twice and ten times the slot nozzle width. The resolved different unsteady vortex motions of the jet shear layers are studied and shown to have an important influence on heat transfer at the wall. They are used to explain existence of the second peak in Nusselt number for the case corresponding to twice the slot nozzle width. The predicted average surface Nusselt number profiles exhibit good agreement with experiments.
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页码：1 / 15
页数：15
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