| 水平偏置椭圆管自然对流放热的激光干涉测量 |
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| 引用本文： | 罗军,黄素逸,朱茂书,皮博明. 水平偏置椭圆管自然对流放热的激光干涉测量[J]. 华中科技大学学报(自然科学版), 1997, 0(10) |
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| 作者姓名： | 罗军 黄素逸 朱茂书 皮博明 |
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| 作者单位： | 华中理工大学能源科学与工程学院 |
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| 基金项目： | 国家自然科学基金,煤燃烧国家重点实验室开放基金 |
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| 摘 要： | 利用实时激光全息干涉法研究了水平偏置椭圆管的自然对流换热．同时分析了不同曲线拟合方法对数据整理的影响，提出了分段曲线拟合．得出了特定椭圆管局部换热系数的变化曲线，并与有关的理论解进行了比较和分析．
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| 关 键 词： | 自然对流；激光干涉测量；椭圆管 |
Laser Holographic Interferometry of Heat Transfer by Free Convection in Horizontally Offset Elliptic Tubes |
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| Luo Jun College of Energy Sci. , Eng.,HUST,Wuhan ,China. Huang Suyi Zhu Maoshu Pi Boming. Laser Holographic Interferometry of Heat Transfer by Free Convection in Horizontally Offset Elliptic Tubes[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1997, 0(10) |
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| Authors: | Luo Jun College of Energy Sci. & Eng. HUST Wuhan China. Huang Suyi Zhu Maoshu Pi Boming |
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| Affiliation: | Luo Jun College of Energy Sci. & Eng.,HUST,Wuhan 430074,China. Huang Suyi Zhu Maoshu Pi Boming |
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| Abstract: | Laser holographic interferometry has found wide applications in the field of heat transfer. The free convection in horizontally offset elliptic tubes is studied with real time laser holographic interferometry and the effect of various curve fitting methods on data reduction is discussed. A piecewise curve fitting method is proposed. The local heat transfer coefficient curves for two specific kinds of elliptic tubes are obtained, and they are compared with the theoretical ones. |
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| Keywords: | heat transfer free convection laser interferometry elliptic tube |
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