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

✖Prandtl Number at Film Temperature is the ratio of momentum diffusivity to thermal diffusivity at the film temperature.ⓘ Prandtl Number at Film Temperature [P_f]			+10% -10%
✖Reynolds Number for Mixing is a dimensionless number, which represents the flow around the tips of the rotating impeller and ignores the factors affecting the circulating flow throughout the vessel.ⓘ Reynolds Number for Mixing [Re_m]			+10% -10%
✖Thermal Conductivity at Film Temperature is the amount of heat flow per unit time through a unit area with a temperature gradient of one degree per unit distance.ⓘ Thermal Conductivity at Film Temperature [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%

✖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 given Reynolds Number and Properties at Film Temperature [h ̅]

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

Formula

`"h ̅" = (0.026*("P"_{"f"}^(1/3))*("Re"_{"m"}^(0.8))*("K"_{"f"}))/"D"_{"Tube"}`

Example

`"0.782819W/m²*K"=(0.026*(("0.95")^(1/3))*(("2000")^(0.8))*("0.68W/(m*K)"))/"9.71m"`

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

STEP 0: Pre-Calculation Summary

Formula Used

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
h ̅ = (0.026*(P_f^(1/3))*(Re_m^(0.8))*(K_f))/D_Tube
This formula uses 5 Variables

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).
Prandtl Number at Film Temperature - Prandtl Number at Film Temperature is the ratio of momentum diffusivity to thermal diffusivity at the film temperature.
Reynolds Number for Mixing - Reynolds Number for Mixing is a dimensionless number, which represents the flow around the tips of the rotating impeller and ignores the factors affecting the circulating flow throughout the vessel.
Thermal Conductivity at Film Temperature - (Measured in Watt per Meter per K) - Thermal Conductivity at Film Temperature is the amount of heat flow per unit time through a unit area with a temperature gradient of one degree per unit distance.
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.

STEP 1: Convert Input(s) to Base Unit

Prandtl Number at Film Temperature: 0.95 --> No Conversion Required
Reynolds Number for Mixing: 2000 --> No Conversion Required
Thermal Conductivity at Film Temperature: 0.68 Watt per Meter per K --> 0.68 Watt per Meter per K No Conversion Required
Diameter of Tube: 9.71 Meter --> 9.71 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

h ̅ = (0.026*(P_f^(1/3))*(Re_m^(0.8))*(K_f))/D_Tube --> (0.026*(0.95^(1/3))*(2000^(0.8))*(0.68))/9.71

Evaluating ... ...

h ̅ = 0.782819368451114

STEP 3: Convert Result to Output's Unit

0.782819368451114 Watt per Square Meter per Kelvin --> No Conversion Required

FINAL ANSWER

0.782819368451114 ≈ 0.782819 Watt per Square Meter per Kelvin <-- Average Heat Transfer Coefficient

(Calculation completed in 00.007 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 given Reynolds Number and Properties at Film Temperature

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Created by Ayush gupta

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

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< 16 Important Formulas of Condensation Number, Average Heat Transfer Coefficient and Heat Flux 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)

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))

Critical Heat Flux by Zuber

Go Critical Heat Flux = ((0.149*Enthalpy of Vaporization of Liquid*Density of Vapor)*(((Surface Tension*[g])*(Density of Liquid-Density of Vapor))/(Density of Vapor^2))^(1/4))

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

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)

Correlation for Heat Flux proposed by Mostinski

Go Heat Transfer Coefficient For Nucleate Boiling = 0.00341*(Critical Pressure^2.3)*(Excess Temperature in Nucleate Boiling^2.33)*(Reduced Pressure^0.566)

Heat Flux in Fully Developed Boiling State for Higher Pressures

Go Rate of Heat Transfer = 283.2*Area*((Excess Temperature)^(3))*((Pressure)^(4/3))

Heat Flux in Fully Developed Boiling State for Pressure upto 0.7 Megapascal

Go Rate of Heat Transfer = 2.253*Area*((Excess Temperature)^(3.96))

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))

< 22 Condensation Calculators

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

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

Average Heat Transfer Coefficient for Laminar Film Condensation of Tube

Average Heat Transfer Coefficient for Vapor Condensing on Plate

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

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

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))

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

Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature calculator uses 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 to calculate the Average Heat Transfer Coefficient, The Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature formula is a function of Reynolds number, Prandtl number, diameter of tube and Thermal conductivity. Average Heat Transfer Coefficient is denoted by h ̅ symbol.

How to calculate Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature using this online calculator? To use this online calculator for Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature, enter Prandtl Number at Film Temperature (P_f), Reynolds Number for Mixing (Re_m), Thermal Conductivity at Film Temperature (K_f) & Diameter of Tube (D_Tube) and hit the calculate button. Here is how the Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature calculation can be explained with given input values -> 0.782819 = (0.026*(0.95^(1/3))*(2000^(0.8))*(0.68))/9.71.

FAQ

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

The Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature formula is a function of Reynolds number, Prandtl number, diameter of tube and Thermal conductivity and is represented as h ̅ = (0.026*(P_f^(1/3))*(Re_m^(0.8))*(K_f))/D_Tube or 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. Prandtl Number at Film Temperature is the ratio of momentum diffusivity to thermal diffusivity at the film temperature, Reynolds Number for Mixing is a dimensionless number, which represents the flow around the tips of the rotating impeller and ignores the factors affecting the circulating flow throughout the vessel, Thermal Conductivity at Film Temperature is the amount of heat flow per unit time through a unit area with a temperature gradient of one degree per unit distance & 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.

How to calculate Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature?

The Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature formula is a function of Reynolds number, Prandtl number, diameter of tube and Thermal conductivity is calculated using 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. To calculate Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature, you need Prandtl Number at Film Temperature (P_f), Reynolds Number for Mixing (Re_m), Thermal Conductivity at Film Temperature (K_f) & Diameter of Tube (D_Tube). With our tool, you need to enter the respective value for Prandtl Number at Film Temperature, Reynolds Number for Mixing, Thermal Conductivity at Film Temperature & Diameter of Tube 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 Prandtl Number at Film Temperature, Reynolds Number for Mixing, Thermal Conductivity at Film Temperature & Diameter of Tube. We can use 10 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)
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 = 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 = 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 = 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 = 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 = 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 = 0.943*((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)

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