Volume 35 Issue 6
Jun.  2020
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ZHU Haitao, LI Yan. High order direct numerical simulation of compressor cascade ,channel separated flow[J]. Journal of Aerospace Power, 2020, 35(6): 1286-1295. doi: 10.13224/j.cnki.jasp.2020.06.019
Citation: ZHU Haitao, LI Yan. High order direct numerical simulation of compressor cascade ,channel separated flow[J]. Journal of Aerospace Power, 2020, 35(6): 1286-1295. doi: 10.13224/j.cnki.jasp.2020.06.019

High order direct numerical simulation of compressor cascade ,channel separated flow

doi: 10.13224/j.cnki.jasp.2020.06.019
  • Received Date: 2019-12-03
  • Publish Date: 2020-06-28
  • Separated flow of V103 compressor cascade was numerically simulated by directly solving the two-dimensional Navier-Stokes equations using high order finite difference schemes.The numerical results showed that in the transient flowfield, there existed an obviously separated flow at the rear of the suction side with a large-scale separated vortex followed by alternative second vortex and shedding-vortex forming the wake. In the time-averaged flowfield, a short separated bubble was formed and identified by the pressure platform of the pressure distribution on the suction side of the blade. Compared with two-dimensional flat separated flow, both the transient and time-averaged flowfields were similar with the same vortex structure. However, the non-dimensional vortex-shedding frequency of cascade was twice times of the flat flow. The time-averaged pressure distribution on the blade surfaces coincided with the numerical results in the references except the separation area. Compared with the reference results, the present separated flow axial length was 41% bigger than the former. At last, second order statistics of pulse velocity in the separation area were bigger than those in the wake, indicating the unsteadiness of the separated flow.

     

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  • [1]
    HORTON H P.Laminar separation bubbles in two-and three-dimensional incompressible flow[D].London:University of London,1968.
    [2]
    PAULEY L L,MOIN P,REYNOLDS W C.The structure of two-dimensional separation[J].Journal of Fluid Mechanics,1990,220:397-411.
    [3]
    SATYAM P,VIJAY M.Experimental study of flow through compressor cascade[J].Case Studies in Thermal Engineering,2017,10:234-243.
    [4]
    钟兢军.弯曲叶片控制扩压叶栅二次流动的实验研究[D].哈尔滨:哈尔滨工业大学,1995. ZHONG Jingjun.An experimental investigation by using curved blade to control secondary flow in compressor cascade[D].Harbin:Harbin Institute of Technology,1995.(in Chinese)
    [5]
    ZAKI T A,DURBIN P A,WISSINK J,et al.Direct numerical simulation of bypass and separation induced transition in a linear compressor cascade[R].ASME Paper GT2006-90885,2006.
    [6]
    ZAKI T A,DURBIN P A,WU X.Separation and transition to turbulence in a compressor passage[R].Palo Alto,US:Center for Turbulence Research,2006.
    [7]
    ZAKI T A,WISSINK P A,DURBIN W,et al.Direct computations of boundary layers distorted by migrating wakes in a linear compressor cascade[J].Flow Turbulence Combustion,2009,83:307-322.
    [8]
    KANG S.An application of topological analysis to studying the three-dimensional flow in cascade Part Ⅰ:topological rules for skin-friction lines and section streamlines[J].Applied Mathematics and Mechanics,1990,11(5):489-495.
    [9]
    GHERARDO Z,XAVIER O,JOCHEN K.Corner separation dynamics in a linear compressor cascade[J].Journal of Fluids Engineering,2017,139:061101.1-061101.13.
    [10]
    王祥锋,颜培刚,俞李斌,等.两级轴流压气机流场内流动分离及旋涡运动[J].空气动力学学报,2014,32(2):177-183. WANG Xiangfeng,YAN Peigang,YU Libin,et al.Flow separation and vortex motion in flow filed of two stage axial compressor[J].Acta Aerodynamica Sinca,2014,32(2):177-183.(in Chinese)
    [11]
    LI R Y,GAO L M,ZHANG S,et al.Application of shear-sensitive liquid crystal coating to visualization of transition and reattachment in compressor cascade[J].Chinese Journal of Aeronautics,2018,31(11):2073-2079.
    [12]
    WISSINK J G,RODI W,HODSON H P.The influence of disturbences carried by periodically incoming wakes on the separating flow around a turbine blade[J].International Journal of Heat and Fluid Flow,2006,27:721-729.
    [13]
    LIU Y W,YAN H,LUI Y J,et al.Numerical study of corner separation in a linear compressor cascade using various turbulence models[J].Chinese Journal of Aeronautics,2016,29(3):639-652.
    [14]
    RODI W.DNS and LES of some engineering flows[J].Fluids Dynamics Research,2006,38(2/3):145-173.
    [15]
    RAI M M.A direct numerical simulation of transition and turbulence in a turbine stage[R].AIAA 2009-584,2009.
    [16]
    WHEELER A P S,SANDBERG R D,SANDHAM N D,et al.Direct numerical simulation of a high-pressure turbine vane[J].Journal of Turbomachinery,2016,138(7):071003.1-071003.9.
    [17]
    LIU C Q,WANG Y Q,YANG Y,et al.New omega vortex identification method[J].Science China:Physics,Mechanics and Astronomy,2016,59(8):684711.1-684711.9.
    [18]
    肖志祥,罗堃宇,刘健.宽速域RANS-LES混合方法的发展及应用[J].空气动力学学报,2017,35(3):338-353. XIAO Zhixiang,LUO Kunyu,LUI Jian.Development and applications of hybrid RANS/LES methods for wide-speed-range flows[J].Acta Aerodynamica Sinca,2017,35(3):338-353.(in Chinese)
    [19]
    HILGENFELD L,PFITZNER M.Unsteady boundary layer development due to wake passing effects on a highly loaded linear compressor cascade[R].ASME Paper 2004-GT-53186,2004.
    [20]
    ZHANG H D,WU Y,LI Y H,et al.Experimental investigation on a high subsonic compressor cascade flow[J].Chinese Journal of Aeronautics,2015,28(4):1034-1043.
    [21]
    GHIA U,GHIA K N,SHIN C T.High-Re solutions for incompressible flow using the Navier-Stokes equations and a multigrid method[J].Journal of Computational Physics,1982,48(3):387-411.
    [22]
    叶建.非定常环境中叶片边界层时空演化机制的大涡模拟[D].北京:北京航空航天大学,2008.
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