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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(0.25)
h ̅ = 0.725*((ρf* (ρf-ρv)*[g]*hfg* (kf^3))/(d*μf* (TSat-Tw)))^(0.25)
This formula uses 1 Constants, 9 Variables
Constants Used
[g] - Gravitational acceleration on Earth Value Taken As 9.80665 Meter/Second²
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).
Density of Liquid Film - (Measured in Kilogram per Meter³) - 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 Meter³) - 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 - (Measured in Meter) - Diameter 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.
Saturated Temperature - (Measured in Kelvin) - Saturated Temperature is the temperature at which a given liquid and its vapor or a given solid and its vapor can co-exist in equilibrium, at a given pressure.
Temperature of Plate - (Measured in Kelvin) - Temperature of Plate is the temperature at which vapor is condensing on the plate.
STEP 1: Convert Input(s) to Base Unit
Density of Liquid Film: 96 Kilogram per Meter³ --> 96 Kilogram per Meter³ No Conversion Required
Density of Vapor: 0.5 Kilogram per Meter³ --> 0.5 Kilogram per Meter³ No Conversion Required
Latent Heat of Vaporization: 2260000 Joule per Kilogram --> 2260000 Joule per Kilogram No Conversion Required
Thermal Conductivity of Film Condensate: 0.68 Watt per Meter per K --> 0.68 Watt per Meter per K No Conversion Required
Diameter: 10 Meter --> 10 Meter No Conversion Required
Viscosity of Film: 0.00029 Newton Second per Meter² --> 0.00029 Pascal Second (Check conversion here)
Saturated Temperature: 273 Kelvin --> 273 Kelvin No Conversion Required
Temperature of Plate: 92 Kelvin --> 92 Kelvin No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
h ̅ = 0.725*((ρf* (ρfv)*[g]*hfg* (kf^3))/(d*μf* (TSat-Tw)))^(0.25) --> 0.725*((96* (96-0.5)*[g]*2260000* (0.68^3))/(10*0.00029* (273-92)))^(0.25)
Evaluating ... ...
h ̅ = 428.22939740349
STEP 3: Convert Result to Output's Unit
428.22939740349 Watt per Meter² per K --> No Conversion Required
FINAL ANSWER
428.22939740349 Watt per Meter² per K <-- Average Heat Transfer Coefficient
(Calculation completed in 00.047 seconds)

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Created by Ayush gupta
University School of Chemical Technology-USCT (GGSIPU), New Delhi
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Average Heat Transfer Coefficient for Laminar Film Condensation of Tube Formula

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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(0.25)
h ̅ = 0.725*((ρf* (ρf-ρv)*[g]*hfg* (kf^3))/(d*μf* (TSat-Tw)))^(0.25)

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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(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 f), Density of Vapor v), Latent Heat of Vaporization (hfg), Thermal Conductivity of Film Condensate (kf), Diameter (d), Viscosity of Film f), Saturated Temperature (TSat) & Temperature of Plate (Tw) 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 -> 428.2294 = 0.725*((96* (96-0.5)*[g]*2260000* (0.68^3))/(10*0.00029* (273-92)))^(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*((ρf* (ρf-ρv)*[g]*hfg* (kf^3))/(d*μf* (TSat-Tw)))^(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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(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 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, Saturated Temperature is the temperature at which a given liquid and its vapor or a given solid and its vapor can co-exist in equilibrium, at a given pressure & Temperature of Plate is the temperature at which vapor is condensing on 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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(0.25). To calculate Average Heat Transfer Coefficient for Laminar Film Condensation of Tube, you need Density of Liquid Film f), Density of Vapor v), Latent Heat of Vaporization (hfg), Thermal Conductivity of Film Condensate (kf), Diameter (d), Viscosity of Film f), Saturated Temperature (TSat) & Temperature of Plate (Tw). 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, Viscosity of Film, Saturated Temperature & Temperature of Plate 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, Viscosity of Film, Saturated Temperature & Temperature of Plate. We can use 4 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*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(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-Temperature of Plate)))^(0.25)
  • Average Heat Transfer Coefficient = 0.943*((Density of Liquid Film* (Density of Liquid Film-Density of Vapor)*Acceleration Due To Gravity*Latent Heat of Vaporization* (Thermal Conductivity of Film Condensate^3))/(Length of Plate*Viscosity of Film* (Saturated Temperature-Temperature of Plate)))^(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* (Saturated Temperature-Temperature of Plate)))^(0.25)
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