A RANS (Reynolds-averaged Navier-stokes) solver is presented to numerically simulate the viscous wake of an appended revolution body with guide vane propeller at the Reynolds number 107. The k-Ε turbulence model toge...A RANS (Reynolds-averaged Navier-stokes) solver is presented to numerically simulate the viscous wake of an appended revolution body with guide vane propeller at the Reynolds number 107. The k-Ε turbulence model together with wall function is used. The resulting finite difference equations are solved by SIMPLEC and ADI. The technique of rising up the bottom surface is presented to overcome radial contraction problems in the Cartesian coordinate system. The three-dimensional body model is successfully use to represent the guide vane and propeller actions. The detailed flow characteristics, especially the counter-swirl component generated by the guide vane in the propeller inflow, are numerically seized successfully. The qualitative and quantitative consistence between experiment and calculation is shown. The computational axial velocity of the propeller disk plane comes up to engineering requirement.展开更多
文摘A RANS (Reynolds-averaged Navier-stokes) solver is presented to numerically simulate the viscous wake of an appended revolution body with guide vane propeller at the Reynolds number 107. The k-Ε turbulence model together with wall function is used. The resulting finite difference equations are solved by SIMPLEC and ADI. The technique of rising up the bottom surface is presented to overcome radial contraction problems in the Cartesian coordinate system. The three-dimensional body model is successfully use to represent the guide vane and propeller actions. The detailed flow characteristics, especially the counter-swirl component generated by the guide vane in the propeller inflow, are numerically seized successfully. The qualitative and quantitative consistence between experiment and calculation is shown. The computational axial velocity of the propeller disk plane comes up to engineering requirement.
