Viscosity of Film given Reynolds Number of Film Calculator

✖Mass Flow of Condensate is the mass of a condensate which passes per unit of time.ⓘ Mass Flow of Condensate [ṁ₁]			+10% -10%
✖Wetted Perimeter is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.ⓘ Wetted Perimeter [P]			+10% -10%
✖Reynolds Number of Film is the ratio of Inertial force to the viscous force.ⓘ Reynolds Number of Film [Re_f]			+10% -10%

✖Viscosity of Film is a measure of its resistance to deformation at a given rate.ⓘ Viscosity of Film given Reynolds Number of Film [μ_f]

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Formula

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Viscosity of Film given Reynolds Number of Film

Formula

μ f = \frac{4 \cdot ṁ 1}{P \cdot Re f}

Example

10 N*s/m² = \frac{4 \cdot 7200 kg/s}{9.6 m \cdot 300}

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Viscosity of Film given Reynolds Number of Film Solution

STEP 0: Pre-Calculation Summary

Formula Used

Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film)
μ_f = (4*ṁ₁)/(P*Re_f)
This formula uses 4 Variables

Variables Used

Viscosity of Film - (Measured in Pascal Second) - Viscosity of Film is a measure of its resistance to deformation at a given rate.
Mass Flow of Condensate - (Measured in Kilogram per Second) - Mass Flow of Condensate is the mass of a condensate which passes per unit of time.
Wetted Perimeter - (Measured in Meter) - Wetted Perimeter is defined as the surface of the channel bottom and sides in direct contact with the aqueous body.
Reynolds Number of Film - Reynolds Number of Film is the ratio of Inertial force to the viscous force.

STEP 1: Convert Input(s) to Base Unit

Mass Flow of Condensate: 7200 Kilogram per Second --> 7200 Kilogram per Second No Conversion Required
Wetted Perimeter: 9.6 Meter --> 9.6 Meter No Conversion Required
Reynolds Number of Film: 300 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

μ_f = (4*ṁ₁)/(P*Re_f) --> (4*7200)/(9.6*300)

Evaluating ... ...

μ_f = 10

STEP 3: Convert Result to Output's Unit

10 Pascal Second -->10 Newton Second per Square Meter (Check conversion here)

FINAL ANSWER

10 Newton Second per Square Meter <-- Viscosity of Film

(Calculation completed in 00.004 seconds)

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University School of Chemical Technology-USCT (GGSIPU), New Delhi

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< Condensation Calculators

Condensation Number

Go Condensation Number = (Average Heat Transfer Coefficient)*((((Viscosity of Film)^2)/((Thermal Conductivity^3)*(Density of Liquid Film)*(Density of Liquid Film-Density of Vapor)*[g]))^(1/3))

Film Thickness given Mass Flow of Condensate

Go Film Thickness = ((3*Viscosity of Film*Mass Flow Rate)/(Density of Liquid*(Density of Liquid-Density of Vapor)*[g]))^(1/3)

Condensation Number for Horizontal Cylinder

Go Condensation Number = 1.514*((Reynolds Number of Film)^(-1/3))

Condensation Number for Vertical Plate

Go Condensation Number = 1.47*((Reynolds Number of Film)^(-1/3))

Viscosity of Film given Reynolds Number of Film Formula

Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film)
μ_f = (4*ṁ₁)/(P*Re_f)

What is Heat Transfer?

Heat Transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes.

Define Thermal Conductivity & Factors affecting it?

Thermal conductivity is defined as the ability of a substance to conduct heat. Factors Affecting The Thermal Conductivity are: Moisture, Density of material, Pressure, Temperature & Structure of material.

How to Calculate Viscosity of Film given Reynolds Number of Film?

Viscosity of Film given Reynolds Number of Film calculator uses Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film) to calculate the Viscosity of Film, The Viscosity of Film given Reynolds Number of Film formula is defined as the function of mass flow rate of condensate, Reynolds number of film, viscosity of fluid. In filmwise condensation a laminar film of vapor is created upon a surface. This film can then flow downwards, increasing in thickness as additional vapor is picked up along the way . In dropwise condensation vapor droplets form at an acute angle to a surface. Viscosity of Film is denoted by μ_f symbol.

How to calculate Viscosity of Film given Reynolds Number of Film using this online calculator? To use this online calculator for Viscosity of Film given Reynolds Number of Film, enter Mass Flow of Condensate (ṁ₁), Wetted Perimeter (P) & Reynolds Number of Film (Re_f) and hit the calculate button. Here is how the Viscosity of Film given Reynolds Number of Film calculation can be explained with given input values -> 10 = (4*7200)/(9.6*300).

FAQ

What is Viscosity of Film given Reynolds Number of Film?

The Viscosity of Film given Reynolds Number of Film formula is defined as the function of mass flow rate of condensate, Reynolds number of film, viscosity of fluid. In filmwise condensation a laminar film of vapor is created upon a surface. This film can then flow downwards, increasing in thickness as additional vapor is picked up along the way . In dropwise condensation vapor droplets form at an acute angle to a surface and is represented as μ_f = (4*ṁ₁)/(P*Re_f) or Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film). Mass Flow of Condensate is the mass of a condensate which passes per unit of time, Wetted Perimeter is defined as the surface of the channel bottom and sides in direct contact with the aqueous body & Reynolds Number of Film is the ratio of Inertial force to the viscous force.

How to calculate Viscosity of Film given Reynolds Number of Film?

The Viscosity of Film given Reynolds Number of Film formula is defined as the function of mass flow rate of condensate, Reynolds number of film, viscosity of fluid. In filmwise condensation a laminar film of vapor is created upon a surface. This film can then flow downwards, increasing in thickness as additional vapor is picked up along the way . In dropwise condensation vapor droplets form at an acute angle to a surface is calculated using Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film). To calculate Viscosity of Film given Reynolds Number of Film, you need Mass Flow of Condensate (ṁ₁), Wetted Perimeter (P) & Reynolds Number of Film (Re_f). With our tool, you need to enter the respective value for Mass Flow of Condensate, Wetted Perimeter & Reynolds Number of Film and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Viscosity of Film?

In this formula, Viscosity of Film uses Mass Flow of Condensate, Wetted Perimeter & Reynolds Number of Film. We can use 1 other way(s) to calculate the same, which is/are as follows -

Viscosity of Film = (Density of Liquid*(Density of Liquid-Density of Vapor)*[g]*(Film Thickness^3))/(3*Mass Flow Rate)

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