Average Heat Transfer Coefficient for Laminar Film Condensation of Tube Calculator

✖Density of Liquid Film is defined as the density of the liquid film which is considered for film condensation.ⓘ Density of Liquid Film [ρ_f]			+10% -10%
✖The Density of Vapor is the mass of a unit volume of a material substance.ⓘ Density of Vapor [ρ_v]			+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%
✖Thermal Conductivity of Film Condensate is defined as the ability of the film to conduct heat.ⓘ Thermal Conductivity of Film Condensate [k_f]			+10% -10%
✖Diameter of Tube is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.ⓘ Diameter of Tube [D_Tube]			+10% -10%
✖Viscosity of Film is a measure of its resistance to deformation at a given rate.ⓘ Viscosity of Film [μ_f]			+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%

✖Average Heat Transfer Coefficient is equal to the heat flow (Q) across the heat-transfer surface divided by the average temperature (Δt) and the area of the heat-transfer surface (A).ⓘ Average Heat Transfer Coefficient for Laminar Film Condensation of Tube [h ̅]

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Average Heat Transfer Coefficient for Laminar Film Condensation of Tube Solution

STEP 0: Pre-Calculation Summary

Formula Used

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)
h ̅ = 0.725*((ρ_f*(ρ_f-ρ_v)*[g]*h_fg*(k_f^3))/(D_Tube*μ_f*(T_Sat-T_w)))^(0.25)
This formula uses 1 Constants, 9 Variables

Constants Used

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

Variables Used

Average Heat Transfer Coefficient - (Measured in Watt per Square Meter per Kelvin) - Average Heat Transfer Coefficient is equal to the heat flow (Q) across the heat-transfer surface divided by the average temperature (Δt) and the area of the heat-transfer surface (A).
Density of Liquid Film - (Measured in Kilogram per Cubic Meter) - Density of Liquid Film is defined as the density of the liquid film which is considered for film condensation.
Density of Vapor - (Measured in Kilogram per Cubic Meter) - The Density of Vapor is the mass of a unit volume of a material substance.
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.
Thermal Conductivity of Film Condensate - (Measured in Watt per Meter per K) - Thermal Conductivity of Film Condensate is defined as the ability of the film to conduct heat.
Diameter of Tube - (Measured in Meter) - Diameter of Tube is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
Viscosity of Film - (Measured in Pascal Second) - Viscosity of Film is a measure of its resistance to deformation at a given rate.
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.

STEP 1: Convert Input(s) to Base Unit

Density of Liquid Film: 96 Kilogram per Cubic Meter --> 96 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
Latent Heat of Vaporization: 2260000 Joule per Kilogram --> 2260000 Joule per Kilogram No Conversion Required
Thermal Conductivity of Film Condensate: 0.67 Watt per Meter per K --> 0.67 Watt per Meter per K No Conversion Required
Diameter of Tube: 9.71 Meter --> 9.71 Meter No Conversion Required
Viscosity of Film: 0.029 Newton Second per Square Meter --> 0.029 Pascal Second (Check conversion here)
Saturation Temperature: 373 Kelvin --> 373 Kelvin No Conversion Required
Plate Surface Temperature: 82 Kelvin --> 82 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

h ̅ = 0.725*((ρ_f*(ρ_f-ρ_v)*[g]*h_fg*(k_f^3))/(D_Tube*μ_f*(T_Sat-T_w)))^(0.25) --> 0.725*((96*(96-0.5)*[g]*2260000*(0.67^3))/(9.71*0.029*(373-82)))^(0.25)

Evaluating ... ...

h ̅ = 119.809838909425

STEP 3: Convert Result to Output's Unit

119.809838909425 Watt per Square Meter per Kelvin --> No Conversion Required

FINAL ANSWER

119.809838909425 ≈ 119.8098 Watt per Square Meter per Kelvin <-- Average Heat Transfer Coefficient

(Calculation completed in 00.020 seconds)

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Home » Engineering » Chemical Engineering » Heat Transfer » Boiling and Condensation » Important Formulas of Condensation Number, Average Heat Transfer Coefficient and Heat Flux » Average Heat Transfer Coefficient for Laminar Film Condensation of Tube

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< Important Formulas of Condensation Number, Average Heat Transfer Coefficient and Heat Flux Calculators

Condensation Number given Reynolds Number

LaTeX 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

LaTeX 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))

Condensation Number for Horizontal Cylinder

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

Condensation Number for Vertical Plate

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

< Condensation Calculators

Condensation Number

LaTeX 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

LaTeX 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

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

Condensation Number for Vertical Plate

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

Average Heat Transfer Coefficient for Laminar Film Condensation of Tube Formula

LaTeX Go

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 Average Heat Transfer Coefficient for Laminar Film Condensation of Tube?

Average Heat Transfer Coefficient for Laminar Film Condensation of Tube calculator uses 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) to calculate the Average Heat Transfer Coefficient, The Average Heat Transfer Coefficient for Laminar Film Condensation of Tube formula is a function of latent heat, thermal conductivity, acceleration due to gravity, density of liquid film & vapor, diameter, viscosity of film, saturated temp and temp of plate. Average Heat Transfer Coefficient is denoted by h ̅ symbol.

How to calculate Average Heat Transfer Coefficient for Laminar Film Condensation of Tube using this online calculator? To use this online calculator for Average Heat Transfer Coefficient for Laminar Film Condensation of Tube, enter Density of Liquid Film (ρ_f), Density of Vapor (ρ_v), Latent Heat of Vaporization (h_fg), Thermal Conductivity of Film Condensate (k_f), Diameter of Tube (D_Tube), Viscosity of Film (μ_f), Saturation Temperature (T_Sat) & Plate Surface Temperature (T_w) and hit the calculate button. Here is how the Average Heat Transfer Coefficient for Laminar Film Condensation of Tube calculation can be explained with given input values -> 119.8098 = 0.725*((96*(96-0.5)*[g]*2260000*(0.67^3))/(9.71*0.029*(373-82)))^(0.25).

FAQ

What is Average Heat Transfer Coefficient for Laminar Film Condensation of Tube?

The Average Heat Transfer Coefficient for Laminar Film Condensation of Tube formula is a function of latent heat, thermal conductivity, acceleration due to gravity, density of liquid film & vapor, diameter, viscosity of film, saturated temp and temp of plate and is represented as h ̅ = 0.725*((ρ_f*(ρ_f-ρ_v)*[g]*h_fg*(k_f^3))/(D_Tube*μ_f*(T_Sat-T_w)))^(0.25) or 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). Density of Liquid Film is defined as the density of the liquid film which is considered for film condensation, The Density of Vapor is the mass of a unit volume of a material substance, Latent Heat of Vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure, Thermal Conductivity of Film Condensate is defined as the ability of the film to conduct heat, Diameter of Tube is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere, Viscosity of Film is a measure of its resistance to deformation at a given rate, 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.

How to calculate Average Heat Transfer Coefficient for Laminar Film Condensation of Tube?

The Average Heat Transfer Coefficient for Laminar Film Condensation of Tube formula is a function of latent heat, thermal conductivity, acceleration due to gravity, density of liquid film & vapor, diameter, viscosity of film, saturated temp and temp of plate is calculated using 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). To calculate Average Heat Transfer Coefficient for Laminar Film Condensation of Tube, you need Density of Liquid Film (ρ_f), Density of Vapor (ρ_v), Latent Heat of Vaporization (h_fg), Thermal Conductivity of Film Condensate (k_f), Diameter of Tube (D_Tube), Viscosity of Film (μ_f), Saturation Temperature (T_Sat) & Plate Surface Temperature (T_w). With our tool, you need to enter the respective value for Density of Liquid Film, Density of Vapor, Latent Heat of Vaporization, Thermal Conductivity of Film Condensate, Diameter of Tube, Viscosity of Film, Saturation Temperature & Plate Surface Temperature 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 Average Heat Transfer Coefficient?

In this formula, Average Heat Transfer Coefficient uses Density of Liquid Film, Density of Vapor, Latent Heat of Vaporization, Thermal Conductivity of Film Condensate, Diameter of Tube, Viscosity of Film, Saturation Temperature & Plate Surface Temperature. We can use 3 other way(s) to calculate the same, which is/are as follows -

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 = 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)
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)

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