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| 套片式翅片管换热器传热与空气流动阻力性能试验研究 | |
| 引用本文： | 谭月普,欧阳新萍. 套片式翅片管换热器传热与空气流动阻力性能试验研究[J]. 低温与超导, 2009, 37(5) |
| 作者姓名： | 谭月普 欧阳新萍 |
| 作者单位： | 上海理工大学制冷技术研究所,上海,200093 |
| 摘 要： | 为了研究改变翅片材料对套片式翅片管换热器性能的影响,分别对采用铝翅片和黄铜翅片的套片式翅片管换热器(结构参数基本相同)进行传热特性与空气流动阻力特性的试验。试验得到了试件在一系列试验工况下的传热数据与管外空气流动阻力数据,通过计算得出了相应的传热准则关系式与管外空气流动阻力准则关系式,绘制了传热系数和管外空气流动阻力的有关图线。结果表明:黄铜翅片套片式换热器与铝翅片套片式换热器相比,换热性能优势明显,其原因主要是铝材比铜材软,与铜管胀接后的接触热阻大,因此换热性能更弱。 |
| 关 键 词： | 热工学 翅片材料 接触热阻 套片式换热器 |
Experimental study on characteristics of heat transfer and air flow resistance about plate finned tube heat exchanger |
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| Tan Yuepu,Ouyang Xinping. Experimental study on characteristics of heat transfer and air flow resistance about plate finned tube heat exchanger[J]. Cryogenics and Superconductivity, 2009, 37(5) | |
| Authors: | Tan Yuepu Ouyang Xinping |
| Affiliation: | Institute of Refrigeration Techniques;Shanghai University of Science and Technology;Shanghai 200093;China |
| Abstract: | In order to study on the performance of plate finned tube heat exchanger when changing the fin material,we conducted an experiment on characteristics of heat transfer and air flow resistance about plate finned tube heat exchanger(with basically identical structure parameters) using aluminum-made fin and Brass-made fin respectively.We obtained heat transfer and air flow resistance(outside tube) data of specimens in a series of test conditions,obtained heat transfer and air flow resistance(outside tube) crite... |
| Keywords: | Pyrology Fin material Thermal contact resistance Plate finned tube heat exchanger |
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