本文采用数值模拟方法对内壳程为非连续螺旋折流板的组合式螺旋折流板和单壳程弓形折流板管壳式换热器壳侧流动换热特性进行对比研究,结果表明:相同壳程质量流量和相同换热量条件下,组合式两壳程螺旋折流板换热器的压损比弓形折流板换热器降低14.6%;相同壳程质量流量条件下,组合式两壳程螺旋折流板换热器单位压降下换热量比弓形折流板换热器提高10.8%.
参考文献
| [1] | 王秋旺.螺旋折流板管壳式换热器壳程传热强化研究进展[J].西安交通大学学报,2004(09):881-886. |
| [2] | Li H D;Kottke V .Visualization and Determination of Local Heat Transfer Coefficients in Shell-and-Tube Heat Exchangers for Staggered Tube Arrangement by Mass Transfer Measurements[J].Experimental Thermal and Fluid Science,1998,17(03):210-216. |
| [3] | Lutuha J;Nemcansky J .Performance Improvement of Tubular Heat Exchangers by Helical Baffles[J].Transactions of the Institution of Chemical Engineers,1990,68(A):263-270. |
| [4] | B. Peng;Q. W. Wang;C. Zhang;G. N. Xie;L. Q. Luo;Q. Y. Chen;M. Zeng .An Experimental Study of Shell-and-Tube Heat Exchangers With Continuous Helical Baffles[J].Journal of heat transfer: Transactions of the ASME,2007(10):1425-1431. |
| [5] | Zhang Z G;Ma D B;Fang X M et al.Experimental and Numerical Heat Transfer in a Helically Barfed Heat Exchanger Combined with One Three-Dimensional Finned Tube[J].Chem Eng Pros,2008,47(9-10):1738-1743. |
| [6] | 王秋旺;陈秋炀;曾敏 等.一种组合式多壳程螺旋折流板管壳式换热器[P].CN 200710017478.5,2007. |
| [7] | Qiuwang Wang;Qiuyang Chen;Guidong Chen;Min Zeng .Numerical investigation on combined multiple shell-pass shell-and-tube heat exchanger with continuous helical baffles[J].International Journal of Heat and Mass Transfer,2009(5/6):1214-1222. |
| [8] | 钱颂文.换热器设计手册[M].北京:化学工业出版社,2002:77-81. |
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