Film Thickness in Film Condensation Calculator

✖Viscosity of Film is a measure of its resistance to deformation at a given rate.ⓘ Viscosity of Film [μ_f]			+10% -10%
✖Thermal Conductivity is rate of heat passes through specified material, expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.ⓘ Thermal Conductivity [k]			+10% -10%
✖Height of Film is defined as the distance upto which the height of film is considered.ⓘ Height of Film [x]			+10% -10%
✖Saturation temperature is the temperature at which a given liquid and its vapour or a given solid and its vapour can co-exist in equilibrium, at a given pressure.ⓘ Saturation Temperature [T_Sat]			+10% -10%
✖Plate Surface Temperature is the temperature at the surface of the plate.ⓘ Plate Surface Temperature [T_w]			+10% -10%
✖Latent Heat of Vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure.ⓘ Latent Heat of Vaporization [h_fg]			+10% -10%
✖The density of Liquid is the mass of a unit volume of liquid.ⓘ Density of Liquid [ρ_L]			+10% -10%
✖The Density of Vapor is the mass of a unit volume of a material substance.ⓘ Density of Vapor [ρ_v]			+10% -10%

✖Film Thickness is the thickness between the wall or the phase boundary or the interface to the other end of the film.ⓘ Film Thickness in Film Condensation [δ]

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Formula

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Film Thickness in Film Condensation

Formula

`"δ" = ((4*"μ"_{"f"}*"k"*"x"*("T"_{"Sat"}-"T"_{"w"}))/("[g]"*"h"_{"fg"}*("ρ"_{"L"})*("ρ"_{"L"}-"ρ"_{"v"})))^(0.25)`

Example

`"0.000982m"=((4*"0.029N*s/m²"*"10.18W/(m*K)"*"0.06m"*("373K"-"82K"))/("[g]"*"2260000J/kg"*("1000kg/m³")*("1000kg/m³"-"0.5kg/m³")))^(0.25)`

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Film Thickness in Film Condensation Solution

STEP 0: Pre-Calculation Summary

Formula Used

Film Thickness = ((4*Viscosity of Film*Thermal Conductivity*Height of Film*(Saturation Temperature-Plate Surface Temperature))/([g]*Latent Heat of Vaporization*(Density of Liquid)*(Density of Liquid-Density of Vapor)))^(0.25)
δ = ((4*μ_f*k*x*(T_Sat-T_w))/([g]*h_fg*(ρ_L)*(ρ_L-ρ_v)))^(0.25)
This formula uses 1 Constants, 9 Variables

Constants Used

[g] - Gravitational acceleration on Earth Value Taken As 9.80665

Variables Used

Film Thickness - (Measured in Meter) - Film Thickness is the thickness between the wall or the phase boundary or the interface to the other end of the film.
Viscosity of Film - (Measured in Pascal Second) - Viscosity of Film is a measure of its resistance to deformation at a given rate.
Thermal Conductivity - (Measured in Watt per Meter per K) - Thermal Conductivity is rate of heat passes through specified material, expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance.
Height of Film - (Measured in Meter) - Height of Film is defined as the distance upto which the height of film is considered.
Saturation Temperature - (Measured in Kelvin) - Saturation temperature is the temperature at which a given liquid and its vapour or a given solid and its vapour can co-exist in equilibrium, at a given pressure.
Plate Surface Temperature - (Measured in Kelvin) - Plate Surface Temperature is the temperature at the surface of the plate.
Latent Heat of Vaporization - (Measured in Joule per Kilogram) - Latent Heat of Vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure.
Density of Liquid - (Measured in Kilogram per Cubic Meter) - The density of Liquid is the mass of a unit volume of liquid.
Density of Vapor - (Measured in Kilogram per Cubic Meter) - The Density of Vapor is the mass of a unit volume of a material substance.

STEP 1: Convert Input(s) to Base Unit

Viscosity of Film: 0.029 Newton Second per Square Meter --> 0.029 Pascal Second (Check conversion here)
Thermal Conductivity: 10.18 Watt per Meter per K --> 10.18 Watt per Meter per K No Conversion Required
Height of Film: 0.06 Meter --> 0.06 Meter No Conversion Required
Saturation Temperature: 373 Kelvin --> 373 Kelvin No Conversion Required
Plate Surface Temperature: 82 Kelvin --> 82 Kelvin No Conversion Required
Latent Heat of Vaporization: 2260000 Joule per Kilogram --> 2260000 Joule per Kilogram No Conversion Required
Density of Liquid: 1000 Kilogram per Cubic Meter --> 1000 Kilogram per Cubic Meter No Conversion Required
Density of Vapor: 0.5 Kilogram per Cubic Meter --> 0.5 Kilogram per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

δ = ((4*μ_f*k*x*(T_Sat-T_w))/([g]*h_fg*(ρ_L)*(ρ_L-ρ_v)))^(0.25) --> ((4*0.029*10.18*0.06*(373-82))/([g]*2260000*(1000)*(1000-0.5)))^(0.25)

Evaluating ... ...

δ = 0.000982221697023871

STEP 3: Convert Result to Output's Unit

0.000982221697023871 Meter --> No Conversion Required

FINAL ANSWER

0.000982221697023871 ≈ 0.000982 Meter <-- Film Thickness

(Calculation completed in 00.004 seconds)

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< 22 Condensation Calculators

Average Heat Transfer Coefficient for Condensation Inside Horizontal Tubes for Low Vapor Velocity

Go Average Heat Transfer Coefficient = 0.555*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Corrected Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Diameter of Tube* (Saturation Temperature-Plate Surface Temperature)))^(0.25)

Average Heat Transfer Coefficient for Laminar Film Condensation on Outside of Sphere

Go Average Heat Transfer Coefficient = 0.815*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Diameter of Sphere*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)

Average Heat Transfer Coefficient for Laminar Film Condensation of Tube

Go Average Heat Transfer Coefficient = 0.725*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Diameter of Tube*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)

Average Heat Transfer Coefficient for Vapor Condensing on Plate

Go Average Heat Transfer Coefficient = 0.943*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)

Average Heat Transfer Coefficient for Film Condensation on Plate for Wavy Laminar Flow

Go Average Heat Transfer Coefficient = 1.13*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*[g]*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Viscosity of Film* (Saturation Temperature-Plate Surface Temperature)))^(0.25)

Film Thickness in Film Condensation

Go Film Thickness = ((4*Viscosity of Film*Thermal Conductivity*Height of Film*(Saturation Temperature-Plate Surface Temperature))/([g]*Latent Heat of Vaporization*(Density of Liquid)*(Density of Liquid-Density of Vapor)))^(0.25)

Condensation Number given Reynolds Number

Go Condensation Number = ((Constant for Condensation Number)^(4/3))* (((4*sin(Inclination Angle)*((Cross Sectional Area of Flow/Wetted Perimeter)))/(Length of Plate))^(1/3))* ((Reynolds Number of Film)^(-1/3))

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))

Reynolds Number using Average Heat Transfer Coefficient for Condensate Film

Go Reynolds Number of Film = ((4*Average Heat Transfer Coefficient*Length of Plate* (Saturation Temperature-Plate Surface Temperature))/ (Latent Heat of Vaporization*Viscosity of Film))

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)

Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature

Go Average Heat Transfer Coefficient = (0.026*(Prandtl Number at Film Temperature^(1/3))*(Reynolds Number for Mixing^(0.8))*(Thermal Conductivity at Film Temperature))/Diameter of Tube

Mass Flow of Condensate through any X Position of Film

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

Viscosity of Film given Mass Flow of Condensate

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

Heat Transfer Coefficient for Condensation on Flat Plate for Nonlinear Temperature Profile in Film

Go Corrected Latent Heat of Vaporization = (Latent Heat of Vaporization+0.68*Specific Heat Capacity*(Saturation Temperature-Plate Surface Temperature))

Heat Transfer Rate for Condensation of Superheated Vapors

Go Heat Transfer = Average Heat Transfer Coefficient*Area of Plate*(Saturation Temperature for Superheated Vapor-Plate Surface Temperature)

Wetted Perimeter given Reynolds Number of Film

Go Wetted Perimeter = (4*Mass Flow of Condensate)/(Reynolds Number of Film*Viscosity of Fluid)

Reynolds Number for Condensate Film

Go Reynolds Number of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Viscosity of Fluid)

Viscosity of Film given Reynolds Number of Film

Go Viscosity of Film = (4*Mass Flow of Condensate)/(Wetted Perimeter*Reynolds Number of Film)

Mass Flow Rate through Particular Section of Condensate Film given Reynolds Number of Film

Go Mass Flow of Condensate = (Reynolds Number of Film*Wetted Perimeter*Viscosity of Fluid)/4

Condensation Number when Turbulence is Encountered in Film

Go Condensation Number = 0.0077*((Reynolds Number of Film)^(0.4))

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))

Film Thickness in Film Condensation Formula

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 Film Thickness in Film Condensation?

Film Thickness in Film Condensation calculator uses Film Thickness = ((4*Viscosity of Film*Thermal Conductivity*Height of Film*(Saturation Temperature-Plate Surface Temperature))/([g]*Latent Heat of Vaporization*(Density of Liquid)*(Density of Liquid-Density of Vapor)))^(0.25) to calculate the Film Thickness, The Film Thickness in Film Condensation formula is function of viscosity of film, thermal conductivity, height of film, saturated temp, plate surface temp, latent heat of vaporization, density of liquid, density of vapor etc. Film Thickness is denoted by δ symbol.

How to calculate Film Thickness in Film Condensation using this online calculator? To use this online calculator for Film Thickness in Film Condensation, enter Viscosity of Film (μ_f), Thermal Conductivity (k), Height of Film (x), Saturation Temperature (T_Sat), Plate Surface Temperature (T_w), Latent Heat of Vaporization (h_fg), Density of Liquid (ρ_L) & Density of Vapor (ρ_v) and hit the calculate button. Here is how the Film Thickness in Film Condensation calculation can be explained with given input values -> 0.000982 = ((4*0.029*10.18*0.06*(373-82))/([g]*2260000*(1000)*(1000-0.5)))^(0.25).

FAQ

What is Film Thickness in Film Condensation?

The Film Thickness in Film Condensation formula is function of viscosity of film, thermal conductivity, height of film, saturated temp, plate surface temp, latent heat of vaporization, density of liquid, density of vapor etc and is represented as δ = ((4*μ_f*k*x*(T_Sat-T_w))/([g]*h_fg*(ρ_L)*(ρ_L-ρ_v)))^(0.25) or Film Thickness = ((4*Viscosity of Film*Thermal Conductivity*Height of Film*(Saturation Temperature-Plate Surface Temperature))/([g]*Latent Heat of Vaporization*(Density of Liquid)*(Density of Liquid-Density of Vapor)))^(0.25). Viscosity of Film is a measure of its resistance to deformation at a given rate, Thermal Conductivity is rate of heat passes through specified material, expressed as amount of heat flows per unit time through a unit area with a temperature gradient of one degree per unit distance, Height of Film is defined as the distance upto which the height of film is considered, Saturation temperature is the temperature at which a given liquid and its vapour or a given solid and its vapour can co-exist in equilibrium, at a given pressure, Plate Surface Temperature is the temperature at the surface of the plate, Latent Heat of Vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure, The density of Liquid is the mass of a unit volume of liquid & The Density of Vapor is the mass of a unit volume of a material substance.

How to calculate Film Thickness in Film Condensation?

The Film Thickness in Film Condensation formula is function of viscosity of film, thermal conductivity, height of film, saturated temp, plate surface temp, latent heat of vaporization, density of liquid, density of vapor etc is calculated using Film Thickness = ((4*Viscosity of Film*Thermal Conductivity*Height of Film*(Saturation Temperature-Plate Surface Temperature))/([g]*Latent Heat of Vaporization*(Density of Liquid)*(Density of Liquid-Density of Vapor)))^(0.25). To calculate Film Thickness in Film Condensation, you need Viscosity of Film (μ_f), Thermal Conductivity (k), Height of Film (x), Saturation Temperature (T_Sat), Plate Surface Temperature (T_w), Latent Heat of Vaporization (h_fg), Density of Liquid (ρ_L) & Density of Vapor (ρ_v). With our tool, you need to enter the respective value for Viscosity of Film, Thermal Conductivity, Height of Film, Saturation Temperature, Plate Surface Temperature, Latent Heat of Vaporization, Density of Liquid & Density of Vapor 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 Film Thickness?

In this formula, Film Thickness uses Viscosity of Film, Thermal Conductivity, Height of Film, Saturation Temperature, Plate Surface Temperature, Latent Heat of Vaporization, Density of Liquid & Density of Vapor. We can use 1 other way(s) to calculate the same, which is/are as follows -

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

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