NUMERICAL STUDY OF THE MOMENTUM AND CONJUGATE HEAT TRANSFER BETWEEN A SPHERE AND A MICROPOLAR FLUID FLOW

被引：0

作者：

Juncu, Gheorghe ^{[1
]}

机构：

[1] Univ Politehn Bucuresti, Dept Chem & Biochem Engn, Polizu 1, Bucharest 011061, Romania

来源：

HEAT TRANSFER RESEARCH | 2019年 / 50卷 / 01期

关键词：

micropolar fluid; sphere; axisymmetric flow; forced convection; conjugate heat transfer; CONVECTION BOUNDARY-LAYER; ISOTHERMAL SPHERE; FORCED-CONVECTION; MIXED CONVECTION; MASS-TRANSFER; STOKES-FLOW; MOTION; NUMBER; DRAG;

D O I：

10.1615/HeatTransRes.2018021775

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The flow of a micropolar fluid past a rigid sphere and the conjugate heat transfer from the sphere to the micropolar fluid are investigated numerically for moderate Reynolds numbers. The results indicate that the flow field is governed by the parameter that characterizes the interaction between the fluid and the sphere's surface, alpha. For alpha = 7 the flow is similar to that of a Newtonian fluid. The influence of the non-Newtonian effects increases when 0 <= alpha < 1. The effects of non-Newtonian fluid parameters on the heat transfer rate depend on the thermal wake phenomenon.

引用

页码：65 / 87

页数：23

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