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根据核心流强化原理,提出了一种新型的扰流叶片换热器,对其进行了传热和流动特性的数值分析,并作出了一定的结构优化.结果表明,在Re数为3000~21000的范围内,该换热器相比折流杆换热器PEC可提高20%~50%.

参考文献

[1] Ji-An Meng;Xin-Gang Liang;Zhi-Xin Li .Field synergy optimization and enhanced heat transfer by multi-longitudinal vortexes flow in tube[J].International Journal of Heat and Mass Transfer,2005(16):3331-3337.
[2] 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.
[3] LIU Wei,YANG Kun.Mechanism and numerical analysis of heat transfer enhancement in the core flow along a tube[J].中国科学E辑(英文版),2008(08):1195-1202.
[4] LIU Wei,LIU ZhiChun,WANG YingShuang,HUANG SuYi.Flow mechanism and heat transfer enhancement in longitudinal-flow tube bundle of shell-and-tube heat exchanger[J].中国科学E辑(英文版),2009(10):2952-2959.
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