To study the performance variations of an axial fan after impeller trimming, numerical simulations are executed under … formulae are presented for total pressure rise and flow rate ratio versus impeller diameter ratio and for operating points … before and after impeller trimming. The simulated results show that the performance curves after impeller trimming tend to …

In the present study, the power consumption in a stirred vessel by two-blade impeller has been investigated. 3D finite … effect of the impeller speed, the fluid rheology and some design parameters on the power consumption and a new correlation is …

blade shrouded impeller. The volute casing designs were based on the principle of “constant angular momentum” and “constant …

A systematic investigation to understand the use of a novel axial impeller as a part of counter-rotating axial … impeller’s geometry. A commercial CFD package, which solves the Reynolds-averaged Navier–Stokes equations, was used to compute … the complex flow field of the impeller. Two hub/shroud tip ratios with different speed ratios were numerically simulated …

included in the analysis to avoid any possible impeller-diffuser interactions. From the database, models for all of the TEIS … modeling the loss mechanisms in the impeller passage. Validation work has shown that the set of models that predict etaA, etaB … impeller designs …