Convective Processes Heat Transfer Coefficient Calculator

⤿

Basics of HMT

Conduction

Convection

Convective Mass Transfer

✖The Heat Transfer Coefficient is the heat transferred per unit area per kelvin. Thus area is included in the equation as it represents the area over which the transfer of heat takes place.ⓘ Heat Transfer Coefficient [h_transfer]			+10% -10%
✖Surface Temperature is the temperature at or near a surface. Specifically, it may refer to as Surface air temperature, the temperature of the air near the surface of the earth.ⓘ Surface Temperature [T_w]			+10% -10%
✖The Recovery temperature is the temperature in the boundary layer immediately adjacent to the surface of a perfect heat insulator.ⓘ Recovery temperature [T_aw]			+10% -10%

✖Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "q".ⓘ Convective Processes Heat Transfer Coefficient [q']

⎘ Copy

👎

Formula

✖

Convective Processes Heat Transfer Coefficient

Formula

`"q'" = "h"_{"transfer"}*("T"_{"w"}-"T"_{"aw"})`

Example

`"330W/m²"="13.2W/m²*K"*("305K"-"280K")`

Calculator

LaTeX

Reset

👍

Download Heat and Mass Transfer Formula PDF PDF Image

Convective Processes Heat Transfer Coefficient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature)
q' = h_transfer*(T_w-T_aw)
This formula uses 4 Variables

Variables Used

Heat Flux - (Measured in Watt per Square Meter) - Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "q".
Heat Transfer Coefficient - (Measured in Watt per Square Meter per Kelvin) - The Heat Transfer Coefficient is the heat transferred per unit area per kelvin. Thus area is included in the equation as it represents the area over which the transfer of heat takes place.
Surface Temperature - (Measured in Kelvin) - Surface Temperature is the temperature at or near a surface. Specifically, it may refer to as Surface air temperature, the temperature of the air near the surface of the earth.
Recovery temperature - (Measured in Kelvin) - The Recovery temperature is the temperature in the boundary layer immediately adjacent to the surface of a perfect heat insulator.

STEP 1: Convert Input(s) to Base Unit

Heat Transfer Coefficient: 13.2 Watt per Square Meter per Kelvin --> 13.2 Watt per Square Meter per Kelvin No Conversion Required
Surface Temperature: 305 Kelvin --> 305 Kelvin No Conversion Required
Recovery temperature: 280 Kelvin --> 280 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q' = h_transfer*(T_w-T_aw) --> 13.2*(305-280)

Evaluating ... ...

q' = 330

STEP 3: Convert Result to Output's Unit

330 Watt per Square Meter --> No Conversion Required

FINAL ANSWER

330 Watt per Square Meter <-- Heat Flux

(Calculation completed in 00.012 seconds)

You are here -

Home » Physics » Heat and Mass Transfer » Convective Processes Heat Transfer Coefficient

Credits

Created by Kethavath Srinath

Osmania University (OU), Hyderabad

Kethavath Srinath has created this Calculator and 1000+ more calculators!

Verified by Team Softusvista

Softusvista Office (Pune), India

Team Softusvista has verified this Calculator and 1100+ more calculators!

< 13 Heat and Mass Transfer Calculators

Heat Transfer by Conduction at Base

Go Rate of Conductive Heat Transfer = (Thermal Conductivity*Cross Sectional Area of Fin*Perimeter of the Fin*Convective Heat Transfer Coefficient)^0.5*(Base Temperature-Ambient Temperature)

Heat Exchange by Radiation due to Geometric Arrangement

Go Heat Transfer = Emissivity*Area*[Stefan-BoltZ]*Shape Factor*(Temperature of Surface 1^(4)-Temperature of Surface 2^(4))

Black Bodies Heat Exchange by Radiation

Go Heat Transfer = Emissivity*[Stefan-BoltZ]*Area*(Temperature of Surface 1^(4)-Temperature of Surface 2^(4))

Heat Transfer According to Fourier's Law

Go Heat Flow Through a Body = -(Thermal Conductivity of Material*Surface Area of Heat Flow*Temperature Difference/Thickness)

One Dimensional Heat Flux

Go Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)

Newton's Law of Cooling

Go Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Temperature of Characteristic Fluid)

Non Ideal Body Surface Emittance

Go Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4)

Convective Processes Heat Transfer Coefficient

Go Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature)

Thermal Conductivity given Critical Thickness of Insulation for Cylinder

Go Thermal Conductivity of Fin = Critical Thickness of Insulation*Heat Transfer Coefficient at Outer Surface

Diameter of Rod Circular Fin given Area of Cross-Section

Go Diameter of Circular Rod = sqrt((Cross-sectional area*4)/pi)

Critical Thickness of Insulation for Cylinder

Go Critical Thickness of Insulation = Thermal Conductivity of Fin/Heat Transfer Coefficient

Thermal Resistance in Convection Heat Transfer

Go Thermal Resistance = 1/(Exposed Surface Area*Co-efficient of Convective Heat Transfer)

Heat Transfer

Go Heat Flow Rate = Thermal Potential Difference/Thermal Resistance

< 13 Conduction, Convection and Radiation Calculators

Heat Transfer by Conduction at Base

Go Rate of Conductive Heat Transfer = (Thermal Conductivity*Cross Sectional Area of Fin*Perimeter of the Fin*Convective Heat Transfer Coefficient)^0.5*(Base Temperature-Ambient Temperature)

Heat Exchange by Radiation due to Geometric Arrangement

Go Heat Transfer = Emissivity*Area*[Stefan-BoltZ]*Shape Factor*(Temperature of Surface 1^(4)-Temperature of Surface 2^(4))

Black Bodies Heat Exchange by Radiation

Go Heat Transfer = Emissivity*[Stefan-BoltZ]*Area*(Temperature of Surface 1^(4)-Temperature of Surface 2^(4))

Heat Transfer According to Fourier's Law

Go Heat Flow Through a Body = -(Thermal Conductivity of Material*Surface Area of Heat Flow*Temperature Difference/Thickness)

One Dimensional Heat Flux

Go Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)

Newton's Law of Cooling

Go Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Temperature of Characteristic Fluid)

Non Ideal Body Surface Emittance

Go Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4)

Thermal Resistance in Conduction

Go Thermal Resistance = (Thickness)/(Thermal Conductivity of Fin*Cross Sectional Area)

Convective Processes Heat Transfer Coefficient

Go Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature)

Thermal Conductivity given Critical Thickness of Insulation for Cylinder

Go Thermal Conductivity of Fin = Critical Thickness of Insulation*Heat Transfer Coefficient at Outer Surface

Critical Thickness of Insulation for Cylinder

Go Critical Thickness of Insulation = Thermal Conductivity of Fin/Heat Transfer Coefficient

Thermal Resistance in Convection Heat Transfer

Go Thermal Resistance = 1/(Exposed Surface Area*Co-efficient of Convective Heat Transfer)

Heat Transfer

Go Heat Flow Rate = Thermal Potential Difference/Thermal Resistance

Convective Processes Heat Transfer Coefficient Formula

Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature)
q' = h_transfer*(T_w-T_aw)

What is heat transfer coefficient?

Heat transfer coefficient is a quantitative characteristic of convective heat transfer between a fluid medium (a fluid) and the surface (wall) flowed over by the fluid.
It is used in calculating the heat transfer, typically by convection or phase transition between a fluid and a solid

How to Calculate Convective Processes Heat Transfer Coefficient?

Convective Processes Heat Transfer Coefficient calculator uses Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature) to calculate the Heat Flux, Convective processes heat transfer coefficient, The law applies when the coefficient is independent, or relatively independent, of the temperature difference between object and environment. In classical natural convective heat transfer, the heat transfer coefficient is dependent on the temperature. Heat Flux is denoted by q' symbol.

How to calculate Convective Processes Heat Transfer Coefficient using this online calculator? To use this online calculator for Convective Processes Heat Transfer Coefficient, enter Heat Transfer Coefficient (h_transfer), Surface Temperature (T_w) & Recovery temperature (T_aw) and hit the calculate button. Here is how the Convective Processes Heat Transfer Coefficient calculation can be explained with given input values -> 330 = 13.2*(305-280).

FAQ

What is Convective Processes Heat Transfer Coefficient?

Convective processes heat transfer coefficient, The law applies when the coefficient is independent, or relatively independent, of the temperature difference between object and environment. In classical natural convective heat transfer, the heat transfer coefficient is dependent on the temperature and is represented as q' = h_transfer*(T_w-T_aw) or Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature). The Heat Transfer Coefficient is the heat transferred per unit area per kelvin. Thus area is included in the equation as it represents the area over which the transfer of heat takes place, Surface Temperature is the temperature at or near a surface. Specifically, it may refer to as Surface air temperature, the temperature of the air near the surface of the earth & The Recovery temperature is the temperature in the boundary layer immediately adjacent to the surface of a perfect heat insulator.

How to calculate Convective Processes Heat Transfer Coefficient?

Convective processes heat transfer coefficient, The law applies when the coefficient is independent, or relatively independent, of the temperature difference between object and environment. In classical natural convective heat transfer, the heat transfer coefficient is dependent on the temperature is calculated using Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery temperature). To calculate Convective Processes Heat Transfer Coefficient, you need Heat Transfer Coefficient (h_transfer), Surface Temperature (T_w) & Recovery temperature (T_aw). With our tool, you need to enter the respective value for Heat Transfer Coefficient, Surface Temperature & Recovery 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 Heat Flux?

In this formula, Heat Flux uses Heat Transfer Coefficient, Surface Temperature & Recovery temperature. We can use 4 other way(s) to calculate the same, which is/are as follows -

Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Temperature of Characteristic Fluid)
Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)
Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Temperature of Characteristic Fluid)
Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)

Home

FREE PDFs

🔍 Search