Rate of Convective Heat Transfer Calculator

✖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%
✖Exposed Surface Conv Area is defined as the area that is exposed to the heat flow.ⓘ Exposed Surface Conv Area [A_expo]			+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%
✖Ambient Air Temperature is the temperature where the ramming process starts.ⓘ Ambient Air Temperature [T_a]			+10% -10%

✖Heat Flow Rate is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium.ⓘ Rate of Convective Heat Transfer [q]

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Rate of Convective Heat Transfer Solution

STEP 0: Pre-Calculation Summary

Formula Used

Heat Flow Rate = Heat Transfer Coefficient*Exposed Surface Conv Area*(Surface Temperature-Ambient Air Temperature)
q = h_transfer*A_expo*(T_w-T_a)
This formula uses 5 Variables

Variables Used

Heat Flow Rate - (Measured in Watt) - Heat Flow Rate is the amount of heat that is transferred per unit of time in some material, usually measured in watt. Heat is the flow of thermal energy driven by thermal non-equilibrium.
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.
Exposed Surface Conv Area - (Measured in Square Meter) - Exposed Surface Conv Area is defined as the area that is exposed to the heat flow.
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.
Ambient Air Temperature - (Measured in Kelvin) - Ambient Air Temperature is the temperature where the ramming process starts.

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
Exposed Surface Conv Area: 11.1 Square Meter --> 11.1 Square Meter No Conversion Required
Surface Temperature: 305 Kelvin --> 305 Kelvin No Conversion Required
Ambient Air Temperature: 300 Kelvin --> 300 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q = h_transfer*A_expo*(T_w-T_a) --> 13.2*11.1*(305-300)

Evaluating ... ...

q = 732.6

STEP 3: Convert Result to Output's Unit

732.6 Watt --> No Conversion Required

FINAL ANSWER

732.6 Watt <-- Heat Flow Rate

(Calculation completed in 00.004 seconds)

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Created by Ayush gupta

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

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< Basics of Modes of Heat Transfer Calculators

Radial Heat Flowing through Cylinder

LaTeX Go Heat = Thermal Conductivity of Heat*2*pi*Temperature Difference*Length of Cylinder/(ln(Outer Radius of Cylinder/Inner Radius of Cylinder))

Heat Transfer through Plane Wall or Surface

LaTeX Go Heat Flow Rate = -Thermal Conductivity of Heat*Cross Sectional Area*(Outside Temperature-Inside Temperature)/Width of Plane Surface

Radiative Heat Transfer

LaTeX Go Heat = [Stefan-BoltZ]*Body Surface Area*Geometric View Factor*(Temperature of Surface 1^4-Temperature of Surface 2^4)

Total Emissive Power of Radiating Body

LaTeX Go Emissive Power per Unit Area = (Emissivity*(Effective Radiating Temperature)^4)*[Stefan-BoltZ]

Rate of Convective Heat Transfer Formula

LaTeX Go

Heat Flow Rate = Heat Transfer Coefficient*Exposed Surface Conv Area*(Surface Temperature-Ambient Air Temperature)
q = h_transfer*A_expo*(T_w-T_a)

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 Rate of Convective Heat Transfer?

Rate of Convective Heat Transfer calculator uses Heat Flow Rate = Heat Transfer Coefficient*Exposed Surface Conv Area*(Surface Temperature-Ambient Air Temperature) to calculate the Heat Flow Rate, The Rate of Convective Heat Transfer is the transfer of heat from one place to another due to the movement of fluid. It involves the combined processes of conduction (heat diffusion) and advection (heat transfer by bulk fluid flow). Heat Flow Rate is denoted by q symbol.

How to calculate Rate of Convective Heat Transfer using this online calculator? To use this online calculator for Rate of Convective Heat Transfer, enter Heat Transfer Coefficient (h_transfer), Exposed Surface Conv Area (A_expo), Surface Temperature (T_w) & Ambient Air Temperature (T_a) and hit the calculate button. Here is how the Rate of Convective Heat Transfer calculation can be explained with given input values -> 732.6 = 13.2*11.1*(305-300).

FAQ

What is Rate of Convective Heat Transfer?

The Rate of Convective Heat Transfer is the transfer of heat from one place to another due to the movement of fluid. It involves the combined processes of conduction (heat diffusion) and advection (heat transfer by bulk fluid flow) and is represented as q = h_transfer*A_expo*(T_w-T_a) or Heat Flow Rate = Heat Transfer Coefficient*Exposed Surface Conv Area*(Surface Temperature-Ambient Air 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, Exposed Surface Conv Area is defined as the area that is exposed to the heat flow, 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 & Ambient Air Temperature is the temperature where the ramming process starts.

How to calculate Rate of Convective Heat Transfer?

The Rate of Convective Heat Transfer is the transfer of heat from one place to another due to the movement of fluid. It involves the combined processes of conduction (heat diffusion) and advection (heat transfer by bulk fluid flow) is calculated using Heat Flow Rate = Heat Transfer Coefficient*Exposed Surface Conv Area*(Surface Temperature-Ambient Air Temperature). To calculate Rate of Convective Heat Transfer, you need Heat Transfer Coefficient (h_transfer), Exposed Surface Conv Area (A_expo), Surface Temperature (T_w) & Ambient Air Temperature (T_a). With our tool, you need to enter the respective value for Heat Transfer Coefficient, Exposed Surface Conv Area, Surface Temperature & Ambient Air 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 Flow Rate?

In this formula, Heat Flow Rate uses Heat Transfer Coefficient, Exposed Surface Conv Area, Surface Temperature & Ambient Air Temperature. We can use 1 other way(s) to calculate the same, which is/are as follows -

Heat Flow Rate = -Thermal Conductivity of Heat*Cross Sectional Area*(Outside Temperature-Inside Temperature)/Width of Plane Surface

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