| 扰流子长度对强化管内液体传热性能的研究 |
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| 引用本文： | 陈世醒. 扰流子长度对强化管内液体传热性能的研究[J]. 辽宁石油化工大学学报, 1996, 0(4) |
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| 作者姓名： | 陈世醒 |
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| 摘 要： | 为了寻求强化过渡流下液体传热的适宜扰流子长度，在Ｒｅ＝２３００～１００００范围内，对粘度为１．２３ｍＰａ．ｓ的柴油进行了模拟工业实验，分别得出扰流子长度为０，１．０，１７．５，３．０ｍ时的ｆ－Ｒｅ及Ｎｕ－Ｒｅ关联式，并对各种长度扰流子强化传热性能进行了评价。与工业应用现场标定结果对比证实了上述关联式的可靠性，说明选择适宜的扰流子长度，可获较大的管内对流传热系数而耗能较少。
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| 关 键 词： | 扰流子长度；强化传热；阻力；压降 |
Study on the Effects of Turbulator-length on Liquid Heat Transfer Enhancement in Tube |
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| Chen Shixing. Study on the Effects of Turbulator-length on Liquid Heat Transfer Enhancement in Tube[J]. Journal of Liaoning University of Petroleum & Chemical Technology, 1996, 0(4) |
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| Authors: | Chen Shixing |
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| Affiliation: | Department of Petrochemical Engineering |
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| Abstract: | In order to find a suitable length of heat transfer-turbulator during the flowing transition of Re=2 300～10 000,industrial simulation experiments of heat transfer of disel oil with viscousity 1.23 mPa.s have been finisthed. Then the correlations of f～Re amd Nu～Re with the different turbulator lengths such as 0.0, 1.0, 1.75 and 3.0 metres are determined to evaluate the heat transfer enhancement of them. The compared results with the industrial operating data show a good indentification and a suitable length turbulator to increase the transfer coefficient and reduce the consumption of heat energy. |
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| Keywords: | Turbulator-length Heat enhancement Resistance Pressure drop |
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