Superficial Velocity in Heat and Mass Transfer Formulas

Superficial Velocity is the volumetric flow rate divided by a cross sectional area. And is denoted by U_b. Superficial Velocity is usually measured using the Meter per Second for Speed. Note that the value of Superficial Velocity is always positive.

Formulas to find Superficial Velocity in Heat and Mass Transfer

fxSuperficial Velocity by Ergun given Reynolds NumberGo

Heat and Mass Transfer formulas that make use of Superficial Velocity

fxReynolds Number of Packed Beds by ErgunGo

fxEffective Particle Diameter by Ergun given Reynolds NumberGo

fxDensity of Fluid by ErgunGo

fxAbsolute Viscosity of Fluid by ErgunGo

fxFriction Factor by ErgunGo

fxEffective Particle Diameter by Ergun given Frication FactorGo

fxHead of Fluid Lost Due to FrictionGo

List of variables in Heat and Mass Transfer formulas

fx Reynolds Number(pb) Go

fx Absolute Viscosity Go

fx Void Fraction Go

fx Diameter(eff) Go

fx Density Go

FAQ

What is the Superficial Velocity?

Superficial Velocity is the volumetric flow rate divided by a cross sectional area. Superficial Velocity is usually measured using the Meter per Second for Speed. Note that the value of Superficial Velocity is always positive.

Can the Superficial Velocity be negative?

No, the Superficial Velocity, measured in Speed cannot be negative.

What unit is used to measure Superficial Velocity?

Superficial Velocity is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Superficial Velocity can be measured.

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