螺旋翅片管换热器换热性能试验及计算机辅助试验
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摘要
开槽螺旋翅片管换热器是一种新的翅片型式的换热器，具有较高的强化传热
性能，其应用领域日趋广泛。对开槽螺旋翅片管换热器的换热和流动性能进行试
验研究，有很大的现实意义。近年来计算机辅助试验(CAT)作为一种新的试验方
法也正在各个领域被采用。把计算机辅助试验(CAT)的方法应用到换热器试验中，
与实际仪器试验结合起来，可以提高试验效率。
本文首先介绍了国内外换热器的研究和发展状况、各种换热器的型式以及换
热器传热过程的基本方程。在此基础上对翅片效率进行了详细的理论分析。
在热工综合试验台上分别对开槽螺旋翅片管换热器和普通连续螺旋翅片管
换热器的换热和流动性能进行了试验研究，得出了翅片侧的Nu～Re，Eu～Re的
关系曲线和试验关联式，并将两者进行了比较，结果表明在相同的试验条件下，
开槽螺旋翅片管换热器的换热效果比连续螺旋翅片管换热器的换热性能有较大
的提高，而流动阻力增加不多。
把计算机辅助试验(CAT)的方法应用到换热器试验中。建立了换热器换热
的数学模型，设计了数值计算的过程和计算程序，结合仪器试验所得数据，对开
槽螺旋翅片管换热器进行了计算机辅助试验(CAT)，得到了翅片侧对流换热系数
和变工况运行的数据。
本文最后对作者所做的工作进行了总结，提出了一些完善和改进所作工作的
途径。
Slot-helix finned tube heat exchanger is a new type heat exchanger, which heat transfer is greatly enhanced and is abroad used in many fields. So it is important to study the heat transfer and friction characteristics of the slot-helix finned tube heat exchanger. In recent years, as a new method, the Computer Aided Testing (CAT) is being used in many fields. Applying the method of Computer Aided Testing (CAT) into the heat exchanger experiment can improve experiment efficiency.
In this paper, the status of the research and development of the finned tube heat exchangers and the type of the heat exchangers and the basic equation of heat transfer is introduced. Also the efficiency of the fin is detailedly analyzed in theory.
Some experiments have been carried out in order to investigate the heat transfer and flowing characters of the slot-helix finned tube. The curves and corresponding correlation of the Nusselt numbers and friction factors (Nu-Re , Eu~Re ) of the fin side are obtained. Compared with the helix finned tube heat exchanger, the heat transfer of the slot-helix finned tube heat exchanger is greatly enhanced but the flowing resistance increases a little.
Computer Aided Testing (CAT) is applied into the heat exchanger experiment. Mathematic model of heat transfer is set up and numerical calculate program is designed. Then the heat transfer coefficient of the fin side and some data of changing working conditions are obtained through experiment using the Computer aided test (CAT).
At the last of this paper, all the work has been down is summarized, the way of developing and improving of the heat exchanger is put forward.
性能，其应用领域日趋广泛。对开槽螺旋翅片管换热器的换热和流动性能进行试
验研究，有很大的现实意义。近年来计算机辅助试验(CAT)作为一种新的试验方
法也正在各个领域被采用。把计算机辅助试验(CAT)的方法应用到换热器试验中，
与实际仪器试验结合起来，可以提高试验效率。
本文首先介绍了国内外换热器的研究和发展状况、各种换热器的型式以及换
热器传热过程的基本方程。在此基础上对翅片效率进行了详细的理论分析。
在热工综合试验台上分别对开槽螺旋翅片管换热器和普通连续螺旋翅片管
换热器的换热和流动性能进行了试验研究，得出了翅片侧的Nu～Re，Eu～Re的
关系曲线和试验关联式，并将两者进行了比较，结果表明在相同的试验条件下，
开槽螺旋翅片管换热器的换热效果比连续螺旋翅片管换热器的换热性能有较大
的提高，而流动阻力增加不多。
把计算机辅助试验(CAT)的方法应用到换热器试验中。建立了换热器换热
的数学模型，设计了数值计算的过程和计算程序，结合仪器试验所得数据，对开
槽螺旋翅片管换热器进行了计算机辅助试验(CAT)，得到了翅片侧对流换热系数
和变工况运行的数据。
本文最后对作者所做的工作进行了总结，提出了一些完善和改进所作工作的
途径。
Slot-helix finned tube heat exchanger is a new type heat exchanger, which heat transfer is greatly enhanced and is abroad used in many fields. So it is important to study the heat transfer and friction characteristics of the slot-helix finned tube heat exchanger. In recent years, as a new method, the Computer Aided Testing (CAT) is being used in many fields. Applying the method of Computer Aided Testing (CAT) into the heat exchanger experiment can improve experiment efficiency.
In this paper, the status of the research and development of the finned tube heat exchangers and the type of the heat exchangers and the basic equation of heat transfer is introduced. Also the efficiency of the fin is detailedly analyzed in theory.
Some experiments have been carried out in order to investigate the heat transfer and flowing characters of the slot-helix finned tube. The curves and corresponding correlation of the Nusselt numbers and friction factors (Nu-Re , Eu~Re ) of the fin side are obtained. Compared with the helix finned tube heat exchanger, the heat transfer of the slot-helix finned tube heat exchanger is greatly enhanced but the flowing resistance increases a little.
Computer Aided Testing (CAT) is applied into the heat exchanger experiment. Mathematic model of heat transfer is set up and numerical calculate program is designed. Then the heat transfer coefficient of the fin side and some data of changing working conditions are obtained through experiment using the Computer aided test (CAT).
At the last of this paper, all the work has been down is summarized, the way of developing and improving of the heat exchanger is put forward.
引文
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8. Tuztas, Metin; Egrican, A. Nilufer. MATHEMATICAL MODEL OF FINNED TUBE HEAT EXCHANGERS FOR THERMAL SIMULATION SOFTWARE OF AIR CONDITIONERS. Vol: 29, Issue: 4, May, 2002. pp. 547-556.
9. Wang, Chi-Chuan; Chi, Kuan-Yu. Heat transfer and friction characteristics of plain fin-and-tube heat exchangers, part Ⅰ: new experimental data. Vol: 43, Issue: 15, August 1, 2000. pp. 2681-2691.
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2．史美中，王中铮著．热交换器原理与设计．第二版．东南大学出版社．1996．
3．岑可法，樊建人．数值试验(CAT)在大型电站锅炉设计及调试中应用的前景——(Ⅰ)理论基础．浙江大学学报．1992，26(1)：P111-119．
4．岑可法，樊建人．数值试验(CAT)在大型电站锅炉设计及调试中应用的前景——(Ⅱ)应用实例．浙江大学学报．1992，26(2)：P237-245．
5．张新育，夏振海，樊建人等．煤粉浓淡分离装置的数值试验(CAT)研究．动力工程．1998．Vol18．No．6．P17-20．
6．严培德．翅片管换热器．化工装备技术．1991．P36-39．
7. Fethi Halici, Imdat Taymaz, Mehmet G(?)nd(?)z. The effect of the number of tube rows on heat, mass and momentum transfer in flat-plate finned tube heat exchangers. Vol: 26, Issue: 11, November, 2001, pp. 963-972.
8. Tuztas, Metin; Egrican, A. Nilufer. MATHEMATICAL MODEL OF FINNED TUBE HEAT EXCHANGERS FOR THERMAL SIMULATION SOFTWARE OF AIR CONDITIONERS. Vol: 29, Issue: 4, May, 2002. pp. 547-556.
9. Wang, Chi-Chuan; Chi, Kuan-Yu. Heat transfer and friction characteristics of plain fin-and-tube heat exchangers, part Ⅰ: new experimental data. Vol: 43, Issue: 15, August 1, 2000. pp. 2681-2691.
10. Yan Wei-Mon, Sheen Pay-Jen. Heat transfer and friction characteristics of fin-and-tube heat exchangers. Vol: 43, Issue: 9, May 1, 2000.pp. 1651-1659.
11. Wang, C. C.; Fu, W. L.; Chang, C. T. Heat Transfer and Friction Characteristics of Typical Wavy Fin-and-Tube Heat Exchangers. Vol: 14, Issue: 2, February, 1997 pp. 174-186.
12. Kang, Hie Chan; Kim, Moo Hwan. Effect of strip location on the air-side pressure drop and heat transfer in strip fin-and-tube heat exchanger. Vol: 22, Issue: 4, June, 1999. pp. 302-312.
13. Lozza, Giovanni; Merlo, Umberto. An experimental investigation of heat transfer and friction losses of interrupted and wavy fins for fin-and-tube heat exchangers. Vol: 24, Issue: 5, August, 2001. pp. 409-416.
14．康海军，李斌，李惠珍等．平直翅片管换热器传热与阻力特性的实验研究．西安交通学学报．1994．2．No．1．P92-98．
15．王厚华，谭顺民，江村．矩形平翅片变形片的换热与阻力实验研究．重庆建筑大学学报．1999．8．P35-39．
16．辛荣昌，李惠珍，康海军等．三角形波纹翅片管换热器的传热和阻力特性的实验研究．西安交通大学学报．1994．4．No．2．P77-83．
17．程菲，苏保玲．翅片管热交换器的传热实验研究．水动力学研究与进展．No．2．Vol．16．20001：P162-165．
18．仇性启，李华玉，称彦泽等．纵向翅片管管外换热与阻力特性的实验研究．石油机械．2001．No．3．P8-10．
19. Yun, J.Y.; Lee, K.S. Investigation of heat transfer characteristics on various kinds of fin-and-tube heat exchangers with interrupted surfaces. Vol: 42, Issue: 13, July, 1999. pp. 2375-2385.
20．金乾，姜宝成等．钢管滚化翅片管换热器的试验研究．节能技术．2000，1．No．1．P17-18．
21. Wang, Chi-Chuan; Tao, Wei-Han; Chang, Chun-Jung. An investigation of the airside performance of the slit fin-and-tube heat exchangers. Vol: 22, Issue: 8, December, 1999. pp. 595-603.
22．苏华，王厚华等，穿孔型平翅片管的实验研究和数值分析．四川制冷．1999．P26-31．
23．苏华，王厚华等．穿孔翅片管的实验研究及翅片效率分析．制冷，2000．9(3) P1822．
24．范亚明，王厚华，李惠风．圆孔和半圆孔交叉翅片管换热器的传热与流阻性能研究．制冷与空调．2002．1，P10-13．
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