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| Heat transfer characteristics of air cross-flow for in-line arrangement of spirally corrugated tube and smooth tube bundles | |
| 作者姓名： | 陆国栋 周强泰 田茂诚 程林 俞小莉 |
| 作者单位： | School of Mechanical and Energy Engineering Zhejiang University，Department of Power Engineering Southeast University，School of Energy and Power Engineering Shandong University，School of Energy and Power Engineering Shandong University，School of Mechanical and Energy Engineering Zhejiang University Hangzhou 310027，China，Nanjing 210096，China，Jinan 250061，China，Jinan 250061，China，Hangzhou 310027，China |
| 摘 要： | An experimental study on heat transfer and resistance coefficients of linearly arranged smooth and spirally corrugated tube bundles in cross-flow was performed. The heat transfer and resistance coefficients are presented in this paper with transverse and longitudinal tube-pitch and tube geometries taken into account. The experiment's results can provide technical guidelines for application to horizontal air preheater with arranged in-line spirally corrugated tube bundles, especially to the air preheater for CFBCBs (Circulating Fluidized Bed Combustion Boilers). |
| 关 键 词： | 热传递 空气交叉流程 CFB 空气预热器 皱纹管 |
| 收稿时间： | 2004-09-08 |
| 修稿时间： | 2005-02-06 |
Heat transfer characteristics of air cross-flow for in-line arrangement of spirally corrugated tube and smooth tube bundles |
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| Lu Guo-dong,Zhou Qiang-tai,Tian Mao-cheng,Cheng Lin,Yu Xiao-li.Heat transfer characteristics of air cross-flow for in-line arrangement of spirally corrugated tube and smooth tube bundles[J].Journal of Zhejiang University Science,2005,6(7):670-675. | |
| Authors: | Lu Guo-dong Zhou Qiang-tai Tian Mao-cheng Cheng Lin Yu Xiao-li |
| Institution: | 1. School of Mechanical and Energy Engineering, Zhejiang University, 310027, Hangzhou, China 2. Department of Power Engineering, Southeast University, 210096, Nanjing, China 3. School of Energy and Power Engineering, Shandong University, 250061, Jinan, China |
| Abstract: | An experimental study on heat transfer and resistance coefficients of linearly arranged smooth and spirally corrugated tube bundles in cross-flow was performed. The heat transfer and resistance coefficients are presented in this paper with transverse and longitudinal tube-pitch and tube geometries taken into account. The experiment's results can provide technical guidelines for application to horizontal air preheater with arranged in-line spirally corrugated tube bundles, especially to the air preheater for CFBCBs (Circulating Fluidized Bed Combustion Boilers). |
| Keywords: | CFB Air preheater Spirally corrugated tube Linearly arranged tube bundles Cross-flow |
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