J055046 蒸気タービン三段翼列を通る非平衡凝縮流れの三次元非定常解析(〔J055-04〕流体機械の研究開発におけるEFD/CFD(4))

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  • J055046 Unsteady simulations of 3-D flows with nonequilibrium condensation through three-stage stator-rotor blade rows

抄録

In this paper, numerical prediction of unsteady 3-D flows with nonequilibrium condensationis conducted for the three-stage stator-rotor blade rows in a turbine developed by Mitsubishi Heavy Industry (MHI) and the influence of unsteady flows on the nonequilibrium condensation is briefly explained. Compressible Nervier-Stokes equations are solved by the fourth-order compact MUSCL TVD scheme, Roe's approximate Riemann solver, and the LU-SGS scheme. The SST-model is used for evaluating the eddy-viscosity. The mass generation rate for water droplets is modeled as a sum of the mass generation rate of critical-sized nucleus and the growth rate of water droplets based on the classical condensation theory.

収録刊行物

  • 年次大会

    年次大会 2013 (0), _J055046-1-_J055046-2, 2013

    一般社団法人 日本機械学会

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