EFFECT OF FREE STREAM TURBULENCE ON FLAT-PLATE HEAT-TRANSFER

被引：19

作者：

SUGAWARA, S

SATO, T

KOMATSU, H

OSAKA, H

机构：

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1988年 / 31卷 / 01期

关键词：

FLOW OF FLUIDS - Turbulent;

D O I：

10.1016/0017-9310(88)90217-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The effect of free stream turbulence on surface heat transfer was investigated for a smooth flat plate. The free stream turbulence was introduced by a turbulence grid. Turbulence intensity was measured with a hot-wire anemometer both in the boundary layer and in the main stream. Under the same conditions, the local heat transfer coefficient on the flat plate surface was measured using an unsteady method. The heat transfer coefficient was found to increase with increasing turbulence level, rapidly in the range of small turbulence level and slowly in the high range.

引用

页码：5 / 12

页数：8

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