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- W2373513253 abstract "CFD technology was applied to do the numerical simulation of unsteady flow around the single propeller model,which was based on the structured dynamic grids.To start with,two sets of calculation grids consisting of multi-block point-to-point and face-to-face patched grid were created in terms of the whole shape.Then through the contrastive analysis of the computational results,the feasibility and accuracy of dynamic patched grids were verified.At the same time,the regular patterns in which propeller performance parameters varied in accordance with the rotation rate were obtained.Numerical simulation results of Reynolds-Averaged Navier-Stokes(RANS) equations and Euler equations were analyzed based on the research above.In the end,made a study of the influence of angles.The results show that dynamic patched grids are efficient to simulate the characteristic parameters of the unsteady flow.The thrust and power cofficients increase considerably with the rise of the rotational speeds.Euler equations are qualified for engineering precision requirement in the numerical simulation of unsteady flow around single propeller.The thrust and torque cofficients are contant when the angle is 0 degree and take on sinusoidal vibration when 10 degree." @default.
- W2373513253 created "2016-06-24" @default.
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- W2373513253 date "2011-01-01" @default.
- W2373513253 modified "2023-09-26" @default.
- W2373513253 title "Numerical Simulation of Unsteady Flow around Propeller Based on CFD Technology" @default.
- W2373513253 hasPublicationYear "2011" @default.
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