非牛顿流体边界层减阻流动研究_陈仕伟.pdf

DOI :10.15961 /j .j suese.2000.05.006 32 5 四川大 学 学 报 (工程 科 学版 ) Vol.32 No.5 2000 9 JOURNAL OF SICHUAN UNIVERSITY (ENGINEERING SCIENCE EDITION) Sept.2000 　　:1009-3087(2000)05-0021-0 陈仕伟 (, 6117 ) 　:Maxwell-Oldroyd , , 、。 。 :Maxwell-Oldroyd ;;DORODNITSYN ; :0373 :A Study on Boundary Layer Drag Reduction of Non-newtonian Fluids CHEN Shi-wei (Dept.of Dynamics, Sichuan Industrial College, Chengdu 6117 , China) Abstract :Laminar boundary layer flow of four constants Maxwell-oldroyd fluid is investigated.The velocity distribution in boundary layer, the thickness of the boundary layer are shown.The relation between friction factor, Reynolds number, the material functions of Non-newtonian fluids is given.For the laminar flow of Non-newtonian fluids some drag reduc- tion, like turbulent flow, has been found. Key words:Maxwell-oldroyd fluid;boundary layer;DORODNITSYN method;drag reduction flow 　　Toms (19 8), Krame ; , Maxwell-oldroyd , , 。 。 , , , , , , 。 , , 。 , Maxwell-oldroyd , [1][2] [3] [ ] ;L.I.Sedov , L.Hoffmann P.Schiimmer , 。 , Seyer Metzner 1　 Meyer 。 , Oldroyd , , 。, , : :1999-07-06 u 2 : 1+λμ( ) 2 2 0 1+λμγ u y 2 0 :(1963-), , .:. τxy =η