| 螺旋片强化的套管式换热器壳侧传热特性 |
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| 引用本文： | 张丽,田密密,吴剑华.螺旋片强化的套管式换热器壳侧传热特性[J].高校化学工程学报,2011,25(1):24-29. |
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| 作者姓名： | 张丽 田密密 吴剑华 |
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| 作者单位： | 1. 天津大学,化工学院,天津,300072;沈阳化工大学,化学工程学院,辽宁,沈阳,110142
2. 沈阳化工大学,化学工程学院,辽宁,沈阳,110142 |
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| 基金项目： | 中央支持地方高校发展专项资金项目(2050205); 辽宁省高校创新团队项目(2007T143) |
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| 摘 要： | 为揭示螺旋片强化套管式换热器壳侧传热的机理,以指导此类换热器的进一步强化,对螺旋片强化的套管式换热器壳侧的传热和阻力特性进行了实验研究,并与光滑内管换热器进行了比较;利用可实现的k-ε湍流模型,对螺旋片强化的套管式换热器壳侧流体的流动和传热特性进行了数值模拟,研究了正交螺旋坐标系下壳侧螺旋通道中的流场结构.实验结果表明...
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| 关 键 词： | 螺旋片 套管式换热器 强化传热 螺旋升角 二次流动 |
Heat Transfer Performance of the Shell Side of Double-Pipe Heat Exchanger Enhanced with Helical Fins |
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| ZHANG Li,TIAN Mi-mi,WU Jian-hua.Heat Transfer Performance of the Shell Side of Double-Pipe Heat Exchanger Enhanced with Helical Fins[J].Journal of Chemical Engineering of Chinese Universities,2011,25(1):24-29. |
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| Authors: | ZHANG Li TIAN Mi-mi WU Jian-hua |
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| Affiliation: | ZHANG Li1,2,TIAN Mi-mi2,WU Jian-hua1,2(1.School of Chemical Engineering,Tianjin University,Tianjin 300072,China,2.School of Chemical Engineering,Shenyang University of Chemical Technology,Shenyang 110142,China) |
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| Abstract: | In order to discover the heat transfer enhancement mechanisms of the shell side of double-pipe heat exchanger with helical fins and to guide the further heat enhancement of this kind of heat exchanger,heat transfer performance and flow resistance of shell side of the above mentioned heat exchanger were investigated experimentally and compared with those of the heat exchanger with smooth inner tube.The fluid flow characteristic and heat transfer performance of the shell side of double pipe heat exchanger wit... |
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| Keywords: | helical fin double-pipe heat exchanger heat transfer enhancement pitch angle secondary flow |
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