(Boiler foundation) What factors are related to the critical fluidization velocity?
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What factors are related to the critical fluidization velocity?
(1) The layer thickness affects the critical flow velocity. (2) An increase in the equivalent average particle size of the material layer leads to an increase in the critical flow velocity. (3) The critical flow velocity increases as the density of solid particles increases. (4) As the kinematic viscosity of the fluid increases, the critical flow velocity decreases. For example, when the bed temperature increases, the critical fluidization wind speed decreases ； A decrease in bed temperature increases the critical fluidization wind speed.