| 动载作用下管内汽水两相流传热特性 |
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| 引用本文： | 赵枚,宋保银,姚秋萍.动载作用下管内汽水两相流传热特性[J].航空动力学报,2009,24(3):542-546. |
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| 作者姓名： | 赵枚 宋保银 姚秋萍 |
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| 作者单位： | 南京航空航天大学航空宇航学院,南京,210016 |
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| 基金项目： | 国家自然科学基金，高等学校博士学科点专项科研基金 |
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| 摘 要： | 设计搭建了旋转平台,采用电加热的方法对过载状态下径向水平管内汽水两相流流动及传热特性进行了实验研究.实验测试段为内径20mm、长400mm的有机玻璃圆管.通过调节转台转速来实现不同过载量,进而研究过载状态下汽水两相流传热机理.结果表明:随着过载的增大,管内两相流压力增大,流阻急剧增大,流量减小,空隙率减小,换热量减小,管外传热系数增大.
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| 关 键 词： | 过载 汽水两相流 传热特性 流动特性 实验研究 |
| 收稿时间： | 3/12/2008 8:54:39 AM |
| 修稿时间： | 2008/5/20 0:00:00 |
Heat transfer characteristic of steam-water two-phase pipe flow under high gravity |
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| ZHAO Mei,SONG Bao-yin and YAO Qiu-ping.Heat transfer characteristic of steam-water two-phase pipe flow under high gravity[J].Journal of Aerospace Power,2009,24(3):542-546. |
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| Authors: | ZHAO Mei SONG Bao-yin and YAO Qiu-ping |
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| Institution: | College of Aerospace Engineering;Nanjing University of Aeronautics and Astronautics;Nanjing 210016;China |
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| Abstract: | In the present work,a rotating platform was established,whereby the experiment for investigating flow and heat transfer characteristics of the steam-water two-phase mixture flowing in a pipe positioned in radius direction of the platform was conducted by means of electric heating.The test section was a plexiglass circular tube with inner diameter of 20 mm and length of 400 mm.Different gravities were obtained by changing rotational speed,and the effect of gravity on the heat transfer characteristic of steam... |
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| Keywords: | high gravity steam-water two-phase flow heat transfer characteristic flow characteristic experimental research |
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