[求助]斑竹及各位师兄师姐能不能帮忙找几篇文献？谢先！

zhangshaowei

我们学校的数据库实在是………………
所以请各位ggjj能在百忙之中帮小弟查找几篇文献，谢谢各位！！
如下：
Comparison of correction factors for shell-and-tube heat exchangers with segmental or helical baffles。
Stehlik, P. (Technical Univ of Brno); Nemcansky, J.; Kral, D.; Swanson, L.W. Source: Heat Transfer Engineering, v 15, n 1, Jan-Mar, 1994, p 55-65
Performance improvement of tubular heat exchangers by helical baffles
Lutcha, J. (Research Inst of Chemical Equipment); Nemcansky, J. Source: Chemical Engineering Research & Design, v 68, n 3, May, 1990, p 263-270
Developments in shell-and-tube exchangers Butterworth, D. (HTFS) Source: Institution of Chemical Engineers Symposium Series, v 1, n 129, 1992, p 409-415
Helical baffles in shell-and-tube heat exchangers, Part I: Experimental verification
Kral, D. (Therm-CENTRUM/Tenza, Inc); Stehlik, P.; van der Ploeg, H.J.; Master, Bashir I. Source: Heat Transfer Engineering, v 17, n 1, Jan-Mar, 1996, p 93-101
Y.S. Son, J.Y. Shin, Performance of a shell-and-tube heat exchanger with spiral baffle plates, KSME J. 15 (11) (2001) 1555.