One Dimensional Heat Flux Calculator

✖The Thermal Conductivity of Fin is a measure of a fin's ability to conduct heat, enhancing heat transfer efficiency in thermal systems.ⓘ Thermal Conductivity of Fin [k_o]			+10% -10%
✖The Wall Thickness is the measurement of the distance between the inner and outer surfaces of a wall, impacting thermal insulation and structural integrity.ⓘ Wall Thickness [t]			+10% -10%
✖The Temperature of Wall 2 is the thermal measurement of the second wall surface, reflecting its heat state in the context of conduction, convection, and radiation.ⓘ Temperature of Wall 2 [T_w2]			+10% -10%
✖The Temperature of Wall 1 is the thermal state of the first wall in a heat transfer system, influencing energy flow through conduction, convection, and radiation.ⓘ Temperature of Wall 1 [T_w1]			+10% -10%

✖The Heat Flux is the rate of thermal energy transfer per unit area, indicating how much heat is being transferred through a surface in a given time.ⓘ One Dimensional Heat Flux [q]

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One Dimensional Heat Flux Solution

STEP 0: Pre-Calculation Summary

Formula Used

Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)
q = -k_o/t*(T_w2-T_w1)
This formula uses 5 Variables

Variables Used

Heat Flux - (Measured in Watt per Square Meter) - The Heat Flux is the rate of thermal energy transfer per unit area, indicating how much heat is being transferred through a surface in a given time.
Thermal Conductivity of Fin - (Measured in Watt per Meter per K) - The Thermal Conductivity of Fin is a measure of a fin's ability to conduct heat, enhancing heat transfer efficiency in thermal systems.
Wall Thickness - (Measured in Meter) - The Wall Thickness is the measurement of the distance between the inner and outer surfaces of a wall, impacting thermal insulation and structural integrity.
Temperature of Wall 2 - (Measured in Kelvin) - The Temperature of Wall 2 is the thermal measurement of the second wall surface, reflecting its heat state in the context of conduction, convection, and radiation.
Temperature of Wall 1 - (Measured in Kelvin) - The Temperature of Wall 1 is the thermal state of the first wall in a heat transfer system, influencing energy flow through conduction, convection, and radiation.

STEP 1: Convert Input(s) to Base Unit

Thermal Conductivity of Fin: 10.18 Watt per Meter per K --> 10.18 Watt per Meter per K No Conversion Required
Wall Thickness: 0.131 Meter --> 0.131 Meter No Conversion Required
Temperature of Wall 2: 299 Kelvin --> 299 Kelvin No Conversion Required
Temperature of Wall 1: 300 Kelvin --> 300 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

q = -k_o/t*(T_w2-T_w1) --> -10.18/0.131*(299-300)

Evaluating ... ...

q = 77.7099236641221

STEP 3: Convert Result to Output's Unit

77.7099236641221 Watt per Square Meter --> No Conversion Required

FINAL ANSWER

77.7099236641221 ≈ 77.70992 Watt per Square Meter <-- Heat Flux

(Calculation completed in 00.004 seconds)

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Home » Engineering » Mechanical » Thermodynamics » Heat Transfer » Conduction, Convection and Radiation » One Dimensional Heat Flux

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Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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< Conduction, Convection and Radiation Calculators

Heat Exchange by Radiation due to Geometric Arrangement

Go Heat Flux = Emissivity*Cross Sectional Area*[Stefan-BoltZ]*Shape Factor*(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 Fin*Surface Area of Heat Flow*Temperature Difference/Thickness of The Body)

Convective Processes Heat Transfer Coefficient

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

Thermal Resistance in Convection Heat Transfer

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

< Fundamental of Heat Transfer Calculators

Heat Transfer According to Fourier's Law

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

Newton's Law of Cooling

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

Heat Flux

Go Heat Flux = Thermal Conductivity of Fin*Temperature of Conductor/Length of Conductor

Heat Transfer

Go Heat Flow Through a Body = Thermal Potential Difference/Thermal Resistance

One Dimensional Heat Flux Formula

Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1)
q = -k_o/t*(T_w2-T_w1)

What is heat flux?

Heat flux or the thermal flux, sometimes also referred to as heat flux density, is the rate of heat energy that passes through a surface. Depending on the exact definition of heat flux, its unit can be expressed as either W/m2 or W.It is defined as HαΔT, where H is the heat transfer coefficient in W/m2 K, A is the active surface area in m2, ΔT is the temperature difference

How to Calculate One Dimensional Heat Flux?

One Dimensional Heat Flux calculator uses Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1) to calculate the Heat Flux, One Dimensional Heat Flux formula is defined as a representation of the rate of heat transfer through a material in one direction, highlighting the relationship between thermal conductivity, temperature difference, and the distance over which heat flows. Heat Flux is denoted by q symbol.

How to calculate One Dimensional Heat Flux using this online calculator? To use this online calculator for One Dimensional Heat Flux, enter Thermal Conductivity of Fin (k_o), Wall Thickness (t), Temperature of Wall 2 (T_w2) & Temperature of Wall 1 (T_w1) and hit the calculate button. Here is how the One Dimensional Heat Flux calculation can be explained with given input values -> 77.76929 = -10.18/0.131*(299-300).

FAQ

What is One Dimensional Heat Flux?

One Dimensional Heat Flux formula is defined as a representation of the rate of heat transfer through a material in one direction, highlighting the relationship between thermal conductivity, temperature difference, and the distance over which heat flows and is represented as q = -k_o/t*(T_w2-T_w1) or Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1). The Thermal Conductivity of Fin is a measure of a fin's ability to conduct heat, enhancing heat transfer efficiency in thermal systems, The Wall Thickness is the measurement of the distance between the inner and outer surfaces of a wall, impacting thermal insulation and structural integrity, The Temperature of Wall 2 is the thermal measurement of the second wall surface, reflecting its heat state in the context of conduction, convection, and radiation & The Temperature of Wall 1 is the thermal state of the first wall in a heat transfer system, influencing energy flow through conduction, convection, and radiation.

How to calculate One Dimensional Heat Flux?

One Dimensional Heat Flux formula is defined as a representation of the rate of heat transfer through a material in one direction, highlighting the relationship between thermal conductivity, temperature difference, and the distance over which heat flows is calculated using Heat Flux = -Thermal Conductivity of Fin/Wall Thickness*(Temperature of Wall 2-Temperature of Wall 1). To calculate One Dimensional Heat Flux, you need Thermal Conductivity of Fin (k_o), Wall Thickness (t), Temperature of Wall 2 (T_w2) & Temperature of Wall 1 (T_w1). With our tool, you need to enter the respective value for Thermal Conductivity of Fin, Wall Thickness, Temperature of Wall 2 & Temperature of Wall 1 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 Thermal Conductivity of Fin, Wall Thickness, Temperature of Wall 2 & Temperature of Wall 1. We can use 3 other way(s) to calculate the same, which is/are as follows -

Heat Flux = Emissivity*Cross Sectional Area*[Stefan-BoltZ]*Shape Factor*(Temperature of Surface 1^(4)-Temperature of Surface 2^(4))
Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Recovery Temperature)
Heat Flux = Heat Transfer Coefficient*(Surface Temperature-Temperature of Characteristic Fluid)

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