5Shih T H, Liou W W, Shabbir A, et al. A new κ-ε eddy-viscosity model for high Reynolds number turbulent flows-model development and validation[ J]. Computers Fluids, 1995, (3) :227 - 238.
6Miller D S. Internal flow a guide to lossesinpipe and duct system[ M ]. The British : Hydromechanics Research Association, 1971.