Research of the effect of non-spherical particle on the drag force had been carried out using numerical method. At Re<100, the flow over three different non-spherical particle (cube, cylinder and frustum) had been calculated with N-S equations. In particular, the performance of three promising correlations for the drag coefficient of the non-spherical particle had been critically examined with the computational results. The best method appears to be that of Ganser which uses the equal volume sphere diameter and sphericity of particle. Comparing the results obtained by two different cylinder’s arrangement, the axis of cylinder perpendicular to the coming flow direction and parallel to that, the divergence between them is very obvious.
Investigation of Drag Force on Non-Spherical Particle in Gas-Particle Two-Phase Flow
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You, C, Qi, H, & Xu, X. "Investigation of Drag Force on Non-Spherical Particle in Gas-Particle Two-Phase Flow." Proceedings of the ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference. Volume 1: Fora, Parts A, B, C, and D. Honolulu, Hawaii, USA. July 6–10, 2003. pp. 565-569. ASME. https://doi.org/10.1115/FEDSM2003-45746
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