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 Horizontal Tube
h ̅ = (0.026*(Pf^(1/3))*(Rem^(0.8))*(Kf))/d
This formula uses 5 Variables
Variables Used
Average Heat Transfer Coefficient - (Measured in Watt per Meter² per K) - 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 Horizontal Tube - (Measured in Meter) - Diameter of Horizontal 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 Horizontal Tube: 9.7 Meter --> 9.7 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
h ̅ = (0.026*(Pf^(1/3))*(Rem^(0.8))*(Kf))/d --> (0.026*(0.95^(1/3))*(2000^(0.8))*(0.68))/9.7
Evaluating ... ...
h ̅ = 0.783626398727868
STEP 3: Convert Result to Output's Unit
0.783626398727868 Watt per Meter² per K --> No Conversion Required
FINAL ANSWER
0.783626398727868 Watt per Meter² per K <-- Average Heat Transfer Coefficient
(Calculation completed in 00.016 seconds)

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University School of Chemical Technology-USCT (GGSIPU), New Delhi
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Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature Formula

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 Horizontal Tube
h ̅ = (0.026*(Pf^(1/3))*(Rem^(0.8))*(Kf))/d

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 Horizontal 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 (Pf), Reynolds Number for Mixing (Rem), Thermal Conductivity at Film Temperature (Kf) & Diameter of Horizontal Tube (d) 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 -> 0.783626 = (0.026*(0.95^(1/3))*(2000^(0.8))*(0.68))/9.7.

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*(Pf^(1/3))*(Rem^(0.8))*(Kf))/d 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 Horizontal 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 Horizontal 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 Horizontal Tube. To calculate Average Heat Transfer Coefficient given Reynolds Number and Properties at Film Temperature, you need Prandtl Number at Film Temperature (Pf), Reynolds Number for Mixing (Rem), Thermal Conductivity at Film Temperature (Kf) & Diameter of Horizontal Tube (d). 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 Horizontal 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 Horizontal Tube. We can use 5 other way(s) to calculate the same, which is/are as follows -
  • 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 Tube*Viscosity of Film* (Saturated 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* (Saturated 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* (Saturated 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* (Saturated Temperature-Plate Surface Temperature)))^(0.25)
  • Average Heat Transfer Coefficient = 0.555*((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*Diameter of Tube* (Saturated Temperature-Plate Surface Temperature)))^(0.25)
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