5M M SALIM, D M France and C B Panchal. Heat transfer enhancement on the outer surface of spirally indented tubes[J ]. Enhanced Heat Transfer. 1993,6 : 27 - 341.
6Lieke Wang and Bengt Sunden. Performance comparison some tubes inserts. Int. Comm [ J ]. Heat Mass Transfer,2002, 29(1) : 45 - 46.
7A W Date. Numerical predicaltion of Laminar flow and heat transfer in a tube with twisted-tape snsert: effects of property variations and buoyancy [J ]. Jaurnal of Enhanced Heat Transfer. 2000, 7 : 217 - 229.
