Heat transfer from a flat plate to a turbulent axisymmetric impinging jet

被引：22
|
作者：
AshforthFrost, S
Jambunathan, K
Whitney, CF
Ball, SJ
机构：
[1] Department of Mechanical and Manufacturing Engineering, Nottingham Trent University, Nottingham
[2] European Gas Turbines Limited, Mechanical Engineering Centre, Whetstone, Leicester
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 1997年 / 211卷 / 02期
关键词：
jet impingement; heat transfer; liquid crystal thermography; forced convection;
D O I：
10.1243/0954406971521746
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The heat transfer due to a single axisymmetric impinging jet at a Reynolds number of 20 000 and nozzle-to-plate spacings of 1-8 has been determined using a combined constant heat flux/constant temperature electrocaloric test plate. Both unconfined and semi-confined geometries have been considered for a uniform mean exit velocity. The exit conditions and axial development of the jet have been quantified using hot-wire anemometry. Careful design of the composite heater plate has reduced experimental uncertainties in the local Nusselt number to 5 per cent.
引用
收藏
页码：167 / 172
页数：6
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