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Solving Incompressible internal Flow Fields in Thrbomachinerywith Time Marching Algorithms
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作者 Zhu Wei Suo Yisheng +1 位作者 Yang Ce Jiang Zikang(Department of Thermal Engineering, Tsinghua University, Beijing 100084) 《Journal of Thermal Science》 SCIE EI CAS CSCD 1999年第2期97-101,共5页
A time marching algorithms, which is used to solve incompressible internal flow fields in turbomachinery, has beendeveloped. By using Chorin’s method of artificial compressibility, the governing equations are transfo... A time marching algorithms, which is used to solve incompressible internal flow fields in turbomachinery, has beendeveloped. By using Chorin’s method of artificial compressibility, the governing equations are transformed fromelliptic type into hyperbolic form in order to extend the time marching technique to very low Mach number flows.Viscous effects can be predicted by using the distributed body force method and Baldwin-Lomax eddy viscosityturbulence model. Some accelerating convergence techniques such as multi-grid and local time step method areemployed. The applicahon to a flow field within a low-solidity rocket pump inducer is presented and discussed. 展开更多
关键词 TURBOMACHINERY incompressible now time marching method
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