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2024年4月13日发(作者：key是什么文件)
固体 搅拌功率计算
## Power Calculation for Solid Agitation.
Introduction.
Solid agitation is a critical process in various
industries, including pharmaceuticals, chemicals, and food
processing. The power required for agitation is determined
by several factors, including the properties of the solid,
the agitator design, and the process conditions. This
article presents a detailed explanation of the methods used
to calculate the power required for solid agitation.
Power Calculation Methods.
There are two main methods for calculating the power
required for solid agitation:
1. Empirical Correlations: These correlations are based
on experimental data and provide a quick and easy way to
estimate the power required. The most common empirical
correlation is the Zwietering correlation:
P = K N^3 D^5 ρ_s (ρ_s ρ_f) / μ_f^2。
where:
P is the power required (W)。
K is a constant.
N is the agitator speed (rpm)。
D is the agitator diameter (m)。
ρ_s is the solid density (kg/m^3)。
ρ_f is the fluid density (kg/m^3)。
μ_f is the fluid viscosity (Pa·s)。
2. Computational Fluid Dynamics (CFD): CFD simulations
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