FLUID FLOW AND HEAT TRANSFER IN A LAMINAR RADIAL IMPINGING JET

被引：2
|
作者：
Chakraborty, S. [1 ]
Sengupta, S. P. [1 ]
Biswas, G. [2 ]
机构：
[1] Indian Inst Technol, Dept Chem Engn, Kharagpur 721302, W Bengal, India
[2] Indian Inst Technol, Dept Mech Engn, Kanpur 208016, Uttar Pradesh, India
来源：
INTERNATIONAL JOURNAL OF NUMERICAL METHODS FOR HEAT & FLUID FLOW | 1994年 / 4卷 / 01期
关键词：
Navier-Stokes; Heat transfer; Radial jet; Separation;
D O I：
10.1108/EUM0000000004037
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
From the solution of full Navier-Stokes and energy equations, the development of the flow field and heat transfer characteristics in a radial jet reattachment flow have been analysed. The influence of Reynolds number of re-attachment length for the case of steady laminar flows has been determined. However, beyond a Reynolds number of 250, the flow field becomes unsteady and has been found to have a periodic nature. This periodic flow has been found to persist up to a Reynolds number of 750. The periodicity has been characterized by the Strouhal number which shows a slight but continuous variation with Reynolds number around a value of 0.12. The point of maximum heat transfer is within the re-attachment zone in the range of Reynolds numbers studied.
引用
收藏
页码：173 / 185
页数：13
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