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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: alberto

Forum: OpenFOAM May 14, 2010, 23:20

Replies: 13 Problem about drag model in twoPhaseEulerFoam Views: 2,495 Posted By alberto I didn't have time to go to the library and dig... I didn't have time to go to the library and dig it out. In the meanwhile, the good review of Enwald, Peirano and Amstedt, "Eulerian two-phase theory applied to fluidization", Int. J. Multiphase...

Forum: OpenFOAM May 14, 2010, 10:37

Replies: 13 Problem about drag model in twoPhaseEulerFoam Views: 2,495 Posted By alberto Quite normal time step for dense fluidized beds.... Quite normal time step for dense fluidized beds. Usually 5 10^-4 - 10^-5, and even smaller if you introduce frictional models. Best,

Forum: OpenFOAM May 14, 2010, 10:36

Replies: 13 Problem about drag model in twoPhaseEulerFoam Views: 2,495 Posted By alberto Hello, they're both used. I checked again,... Hello, they're both used. I checked again, and you find both of them reported as "Wen & Yu (1966)" model. I'll try to find the original paper from Wen & Yu (1966) to clarify.

Forum: OpenFOAM May 13, 2010, 20:14

Replies: 13 Problem about drag model in twoPhaseEulerFoam Views: 2,495 Posted By alberto Usually this happens because your Courant number... Usually this happens because your Courant number (time step) is too big. Best,

Forum: OpenFOAM May 13, 2010, 20:13

Replies: 13 Problem about drag model in twoPhaseEulerFoam Views: 2,495 Posted By alberto Why do you divide by beta? I know it is... Why do you divide by beta? I know it is "common practise" to see that around, but Wen & Yu drag does not contain alpha inside the Reynolds number. The correction due to the presence of more than...

Showing results 1 to 5 of 5

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