“Ergun equation”的概念、定义、翻译、参考文献-科学参考

Ergun equation

Chemical Engineering

An equation used to determine the pressure drop per unit length of a fixed bed of particles such as catalyst at incipient gas velocity, v:
$\frac{- Δ p}{L} = \frac{150 {(1 - e)}^{2} μ v}{ϕ e^{3} d^{2}} + \frac{1.75 (1 - e) ρ v^{2}}{ϕ e^{3} d}$

where −Δp/L is the pressure drop over the depth of bed, e is the bed voidage, d is the mean particle diameter, ρ is the fluid density, μ is the fluid viscosity, and φ is the sphericity. The incipient point of fluidization corresponds with the highest pressure drop at the minimum fluidization velocity. It is named after Turkish-born American chemical engineer Sabri Ergun (1918–2006) who developed the equation in 1952.

单词	Ergun equation
释义	Ergun equation Chemical Engineering An equation used to determine the pressure drop per unit length of a fixed bed of particles such as catalyst at incipient gas velocity, v: $\frac{- Δ p}{L} = \frac{150 {(1 - e)}^{2} μ v}{ϕ e^{3} d^{2}} + \frac{1.75 (1 - e) ρ v^{2}}{ϕ e^{3} d}$ where −Δp/L is the pressure drop over the depth of bed, e is the bed voidage, d is the mean particle diameter, ρ is the fluid density, μ is the fluid viscosity, and φ is the sphericity. The incipient point of fluidization corresponds with the highest pressure drop at the minimum fluidization velocity. It is named after Turkish-born American chemical engineer Sabri Ergun (1918–2006) who developed the equation in 1952.
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