Overall coefficient of heat transfer for condensation on a vertical surface Calculator

Main Category	Physics ↺
Physics	Refrigeration and Air Conditioning ↺
Refrigeration and Air Conditioning	Condensers ↺
Condensers	Heat Transfer in Condenser ↺

✖Thermal Conductivity is the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance.ⓘ Thermal Conductivity [k]			+10% -10%
✖The Density of Liquid Condensate is the mass of a unit volume of the liquid condensate.ⓘ Density of Liquid Condensate [ρ_f]			+10% -10%
✖Density is mass of a unit volume of a material substance.ⓘ Density [ρv]			+10% -10%
✖The Acceleration Due To Gravity is acceleration gained by an object because of gravitational force.ⓘ Acceleration Due To Gravity [g]			+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%
✖Viscosity of Film is a measure of its resistance to deformation at a given rate.ⓘ Viscosity of Film [μ_f]			+10% -10%
✖Height is the distance between the lowest and highest points of a person/ shape/ object standing upright.ⓘ Height [h]			+10% -10%
✖Temperature Difference is the measure of the hotness or the coldness of an object.ⓘ Temperature Difference [ΔT]			+10% -10%

✖The Overall Heat Transfer Coefficient is a measure of the overall ability of a series of conductive and convective barriers to transfer heat.ⓘ Overall coefficient of heat transfer for condensation on a vertical surface [U]

⎘ Copy

👎

Formula

Reset

👍

Credits

Created by Abhishek Dharmendra Bansile

Vishwakarma Institute of Information Technology, Pune (VIIT Pune), Pune

Abhishek Dharmendra Bansile has created this Calculator and 100+ more calculators!

Verified by Anshika Arya

National Institute Of Technology (NIT), Hamirpur

Anshika Arya has verified this Calculator and 2600+ more calculators!

Overall coefficient of heat transfer for condensation on a vertical surface Solution

STEP 0: Pre-Calculation Summary

Formula Used

Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)* (Density of Liquid Condensate-Density)*Acceleration Due To Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height*Temperature Difference))^(1/4)
U = 0.943*(((k^3)* (ρ_f-ρv)*g*h_fg)/(μ_f*h*ΔT))^(1/4)
This formula uses 8 Variables

Variables Used

Thermal Conductivity - Thermal Conductivity is the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance. (Measured in Watt per Meter per K)
Density of Liquid Condensate - The Density of Liquid Condensate is the mass of a unit volume of the liquid condensate. (Measured in Kilogram per Meter³)
Density - Density is mass of a unit volume of a material substance. (Measured in Kilogram per Meter³)
Acceleration Due To Gravity - The Acceleration Due To Gravity is acceleration gained by an object because of gravitational force. (Measured in Meter per Square Second)
Latent Heat of Vaporization - Latent heat of vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure. (Measured in Kilojoule per Kilogram)
Viscosity of Film - Viscosity of Film is a measure of its resistance to deformation at a given rate. (Measured in Newton Second per Meter²)
Height - Height is the distance between the lowest and highest points of a person/ shape/ object standing upright. (Measured in Meter)
Temperature Difference - Temperature Difference is the measure of the hotness or the coldness of an object. (Measured in Kelvin)

STEP 1: Convert Input(s) to Base Unit

Thermal Conductivity: 10 Watt per Meter per K --> 10 Watt per Meter per K No Conversion Required
Density of Liquid Condensate: 10 Kilogram per Meter³ --> 10 Kilogram per Meter³ No Conversion Required
Density: 0.5 Kilogram per Meter³ --> 0.5 Kilogram per Meter³ No Conversion Required
Acceleration Due To Gravity: 9.8 Meter per Square Second --> 9.8 Meter per Square Second No Conversion Required
Latent Heat of Vaporization: 2260 Kilojoule per Kilogram --> 2260000 Joule per Kilogram (Check conversion here)
Viscosity of Film: 0.00029 Newton Second per Meter² --> 0.00029 Pascal Second (Check conversion here)
Height: 12 Meter --> 12 Meter No Conversion Required
Temperature Difference: 20 Kelvin --> 20 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

U = 0.943*(((k^3)* (ρ_f-ρv)*g*h_fg)/(μ_f*h*ΔT))^(1/4) --> 0.943*(((10^3)* (10-0.5)*9.8*2260000)/(0.00029*12*20))^(1/4)

Evaluating ... ...

U = 1243.43736268586

STEP 3: Convert Result to Output's Unit

1243.43736268586 Watt per Meter² per K --> No Conversion Required

FINAL ANSWER

1243.43736268586 Watt per Meter² per K <-- Overall Heat Transfer Coefficient

(Calculation completed in 00.031 seconds)

You are here

< 10+ Heat Transfer in Condenser Calculators

Thickness of Tube when Heat transfer takes places from outside to inside surface of tube

Tube Thickness = (Thermal Conductivity*Surface Area*(Outside Surface Temperature-Inside Surface temperature))/Heat Transfer Go

Heat transfer takes place from outside surface to inside surface of tube

Heat Transfer = (Thermal Conductivity*Surface Area*(Outside Surface Temperature-Inside Surface temperature))/Tube Thickness Go

Temperature of the refrigerant vapour condensing film in terms of heat transfer

Vapour condensing film temperature = (Heat Transfer/(Heat Transfer Coefficient*Area))+Outside Surface Temperature Go

Temperature at the outside surface of the tube in terms of heat transfer

Outside Surface Temperature = Vapour condensing film temperature-(Heat Transfer/(Heat Transfer Coefficient*Area)) Go

Heat Transfer takes place from vapour refrigerant to outside of tube

Heat Transfer = Heat Transfer Coefficient*Area*(Vapour condensing film temperature-Outside Surface Temperature) Go

Heat Transfer in Condenser in terms of Overall Heat Transfer Coefficient

Heat Transfer = Overall Heat Transfer Coefficient*Surface Area*Temperature Difference Go

Overall Temperature difference when Heat Transfer from vapour refrigerant to outside of tube

Overall Temperature Difference = Heat Transfer/(Heat Transfer Coefficient*Area) Go

Overall Temperature difference in terms of Heat Transfer

Overall Temperature Difference = Heat Transfer*Thermal Resistance Go

Overall thermal resistance in condenser

Thermal Resistance = Overall Temperature Difference/Heat Transfer Go

Heat Transfer in Condenser in terms of Overall thermal resistance

Heat Transfer = Temperature Difference/Thermal Resistance Go

Overall coefficient of heat transfer for condensation on a vertical surface Formula

What is Nusselt theory?

In condensation on a vertical surface, a film of condensate is formed and further condensation and heat transfer to the surface occurs by conduction through the film which is assumed to be laminar flow downward.

How to Calculate Overall coefficient of heat transfer for condensation on a vertical surface?

Overall coefficient of heat transfer for condensation on a vertical surface calculator uses Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)* (Density of Liquid Condensate-Density)*Acceleration Due To Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height*Temperature Difference))^(1/4) to calculate the Overall Heat Transfer Coefficient, The overall coefficient of heat transfer for condensation on a vertical surface formula gives the value of the overall heat transfer coefficient according to the laminar liquid film theory for condensation on a vertical surface of height x is given. Overall Heat Transfer Coefficient is denoted by U symbol.

How to calculate Overall coefficient of heat transfer for condensation on a vertical surface using this online calculator? To use this online calculator for Overall coefficient of heat transfer for condensation on a vertical surface, enter Thermal Conductivity (k), Density of Liquid Condensate (ρ_f), Density (ρv), Acceleration Due To Gravity (g), Latent Heat of Vaporization (h_fg), Viscosity of Film (μ_f), Height (h) & Temperature Difference (ΔT) and hit the calculate button. Here is how the Overall coefficient of heat transfer for condensation on a vertical surface calculation can be explained with given input values -> 1243.437 = 0.943*(((10^3)* (10-0.5)*9.8*2260000)/(0.00029*12*20))^(1/4).

FAQ

What is Overall coefficient of heat transfer for condensation on a vertical surface?

The overall coefficient of heat transfer for condensation on a vertical surface formula gives the value of the overall heat transfer coefficient according to the laminar liquid film theory for condensation on a vertical surface of height x is given and is represented as U = 0.943*(((k^3)* (ρ_f-ρv)*g*h_fg)/(μ_f*h*ΔT))^(1/4) or Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)* (Density of Liquid Condensate-Density)*Acceleration Due To Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height*Temperature Difference))^(1/4). Thermal Conductivity is the rate at which heat passes through a specified material, expressed as the amount of heat that flows per unit time through a unit area with a temperature gradient of one degree per unit distance, The Density of Liquid Condensate is the mass of a unit volume of the liquid condensate, Density is mass of a unit volume of a material substance, The Acceleration Due To Gravity is acceleration gained by an object because of gravitational force, Latent heat of vaporization is defined as the heat required to change one mole of liquid at its boiling point under standard atmospheric pressure, Viscosity of Film is a measure of its resistance to deformation at a given rate, Height is the distance between the lowest and highest points of a person/ shape/ object standing upright & Temperature Difference is the measure of the hotness or the coldness of an object.

How to calculate Overall coefficient of heat transfer for condensation on a vertical surface?

The overall coefficient of heat transfer for condensation on a vertical surface formula gives the value of the overall heat transfer coefficient according to the laminar liquid film theory for condensation on a vertical surface of height x is given is calculated using Overall Heat Transfer Coefficient = 0.943*(((Thermal Conductivity^3)* (Density of Liquid Condensate-Density)*Acceleration Due To Gravity*Latent Heat of Vaporization)/(Viscosity of Film*Height*Temperature Difference))^(1/4). To calculate Overall coefficient of heat transfer for condensation on a vertical surface, you need Thermal Conductivity (k), Density of Liquid Condensate (ρ_f), Density (ρv), Acceleration Due To Gravity (g), Latent Heat of Vaporization (h_fg), Viscosity of Film (μ_f), Height (h) & Temperature Difference (ΔT). With our tool, you need to enter the respective value for Thermal Conductivity, Density of Liquid Condensate, Density, Acceleration Due To Gravity, Latent Heat of Vaporization, Viscosity of Film, Height & Temperature Difference and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

Facebook
Twitter
WhatsApp
Reddit
LinkedIn
E-Mail

Let Others Know

✖

Facebook

Twitter

Copied!