| 材料对水平管降膜蒸发的影响 |
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| 引用本文： | 候望奇,沈呤秋.材料对水平管降膜蒸发的影响[J].湘潭大学自然科学学报,1989,11(3):89-94. |
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| 作者姓名： | 候望奇 沈呤秋 |
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| 作者单位： | 湘潭大学化工系
(侯望奇)，大连理工大学
(沈吟秋)，大连理工大学(郭宜祜) |
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| 摘 要： | 在水平管降膜蒸发器中,分别对不锈钢、紫铜和钛三种材料的光滑表面管和电化学腐蚀成多孔表面管进行研究。结果表明;管外侧饱和水表面蒸发传热系数不受材料性质的影响,而沸腾蒸发传热系数受材料性质及接触角的影响;电化学腐蚀成的多孔表面孔的密度,大小及孔的形状直接关系到蒸发传热强化效果的好坏。
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| 关 键 词： | 降膜 蒸发 |
A STUDY OF THE EFEECT OF TUBE MATERIALS ON THE HORIZONTAL FALLING LIQUID FILM EVAPORATION |
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| Hou Wangqi Shen Yinqiu,Guo Yihu.A STUDY OF THE EFEECT OF TUBE MATERIALS ON THE HORIZONTAL FALLING LIQUID FILM EVAPORATION[J].Natural Science Journal of Xiangtan University,1989,11(3):89-94. |
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| Authors: | Hou Wangqi Shen Yinqiu Guo Yihu |
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| Abstract: | Heat transfer measurments are performed during saturated water ev-
aporation outside the horizontal smooth tubes and electro-chemically
etched porous-surface tubes with copper, stainless steel and titanium.
The results show that thermal properities and contact angles of different
materials have a strong effect on the heat transfer coefficients of bo-
iling evaporation. The enhancement of porous-surface tubes depends di-
rectly on the cavity density, its shape and dimension. |
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| Keywords: | falling film evaporation |
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