HEAT-TRANSFER FROM A UNIFORM HEAT-FLUX WEDGE IN AIR-WATER MIST FLOWS

被引:29
作者
AIHARA, T [1 ]
TAGA, M [1 ]
HARAGUCHI, T [1 ]
机构
[1] MITSUBISHI OIL CO LTD,KURASHIKI,JAPAN
关键词
D O I
10.1016/0017-9310(79)90098-X
中图分类号
O414.1 [热力学];
学科分类号
摘要
Heat transfer from a wedge in air-water mist flow has been measured over a mass flow ratio M from 0 to 3 × 10-2. Addition of small quantities of water-droplets to air stream enhanced two-phase heat-transfer coefficients h(2) from 2 to 14 times the corresponding single-phase ones. While the value of h2 increases with increasing the wall temperature Tw at high mass flow ratios, it decreases with increasing Tw at low mass flow ratios, particularly in a dryout state. Generally h(2) increases with M and approach velocity. These tendencies are well explained by the present first-order theory. © 1979.
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页码:51 / 60
页数:10
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