Non Ideal Body Surface Emittance Calculator

✖The Emissivity is a measure of a material's ability to emit thermal radiation compared to that of a perfect black body at the same temperature.ⓘ Emissivity [ε]			+10% -10%
✖The Surface Temperature is the temperature of an object or surface that influences the amount of thermal radiation emitted into the surrounding environment.ⓘ Surface Temperature [T_w]			+10% -10%

✖The Real Surface Radiant Surface Emittance is a measure of the efficiency of a surface in emitting thermal radiation compared to an ideal black body at the same temperature.ⓘ Non Ideal Body Surface Emittance [e]

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Non Ideal Body Surface Emittance Solution

STEP 0: Pre-Calculation Summary

Formula Used

Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4)
e = ε*[Stefan-BoltZ]*T_w^(4)
This formula uses 1 Constants, 3 Variables

Constants Used

[Stefan-BoltZ] - Stefan-Boltzmann Constant Value Taken As 5.670367E-8

Variables Used

Real Surface Radiant Surface Emittance - (Measured in Watt per Square Meter) - The Real Surface Radiant Surface Emittance is a measure of the efficiency of a surface in emitting thermal radiation compared to an ideal black body at the same temperature.
Emissivity - The Emissivity is a measure of a material's ability to emit thermal radiation compared to that of a perfect black body at the same temperature.
Surface Temperature - (Measured in Kelvin) - The Surface Temperature is the temperature of an object or surface that influences the amount of thermal radiation emitted into the surrounding environment.

STEP 1: Convert Input(s) to Base Unit

Emissivity: 0.95 --> No Conversion Required
Surface Temperature: 305 Kelvin --> 305 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

e = ε*[Stefan-BoltZ]*T_w^(4) --> 0.95*[Stefan-BoltZ]*305^(4)

Evaluating ... ...

e = 466.159061868529

STEP 3: Convert Result to Output's Unit

466.159061868529 Watt per Square Meter --> No Conversion Required

FINAL ANSWER

466.159061868529 ≈ 466.1591 Watt per Square Meter <-- Real Surface Radiant Surface Emittance

(Calculation completed in 00.020 seconds)

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Credits

Created by Kethavath Srinath

Osmania University (OU), Hyderabad

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

Verified by Urvi Rathod

Vishwakarma Government Engineering College (VGEC), Ahmedabad

Urvi Rathod has verified this Calculator and 1900+ more calculators!

< Conduction, Convection and Radiation Calculators

Heat Exchange by Radiation due to Geometric Arrangement

LaTeX 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

LaTeX 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

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

Thermal Resistance in Convection Heat Transfer

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

< Heat Emission due to Radiation Calculators

Heat Exchange by Radiation due to Geometric Arrangement

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

Black Bodies Heat Exchange by Radiation

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

Non Ideal Body Surface Emittance

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

Radiation energy emitted by black body per unit time and surface area

LaTeX Go Radiation Energy Emmited by Black Body = [Stefan-BoltZ]*Temperature^4

Non Ideal Body Surface Emittance Formula

LaTeX Go

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

What is Stefan Boltzmann Law?

Stefan-Boltzmann law, statement that the total radiant heat power emitted from a surface is proportional to the fourth power of its absolute temperature. ... The law applies only to blackbodies, theoretical surfaces that absorb all incident heat radiation.

How to Calculate Non Ideal Body Surface Emittance?

Non Ideal Body Surface Emittance calculator uses Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4) to calculate the Real Surface Radiant Surface Emittance, Non Ideal Body Surface Emittance formula is defined as a measure of the ability of the human body to emit radiation, which is affected by various factors such as skin temperature, sweat, and clothing, and is an important parameter in the study of heat transfer and radiation in the human body. Real Surface Radiant Surface Emittance is denoted by e symbol.

How to calculate Non Ideal Body Surface Emittance using this online calculator? To use this online calculator for Non Ideal Body Surface Emittance, enter Emissivity (ε) & Surface Temperature (T_w) and hit the calculate button. Here is how the Non Ideal Body Surface Emittance calculation can be explained with given input values -> 466.1591 = 0.95*[Stefan-BoltZ]*305^(4).

FAQ

What is Non Ideal Body Surface Emittance?

Non Ideal Body Surface Emittance formula is defined as a measure of the ability of the human body to emit radiation, which is affected by various factors such as skin temperature, sweat, and clothing, and is an important parameter in the study of heat transfer and radiation in the human body and is represented as e = ε*[Stefan-BoltZ]*T_w^(4) or Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4). The Emissivity is a measure of a material's ability to emit thermal radiation compared to that of a perfect black body at the same temperature & The Surface Temperature is the temperature of an object or surface that influences the amount of thermal radiation emitted into the surrounding environment.

How to calculate Non Ideal Body Surface Emittance?

Non Ideal Body Surface Emittance formula is defined as a measure of the ability of the human body to emit radiation, which is affected by various factors such as skin temperature, sweat, and clothing, and is an important parameter in the study of heat transfer and radiation in the human body is calculated using Real Surface Radiant Surface Emittance = Emissivity*[Stefan-BoltZ]*Surface Temperature^(4). To calculate Non Ideal Body Surface Emittance, you need Emissivity (ε) & Surface Temperature (T_w). With our tool, you need to enter the respective value for Emissivity & Surface Temperature and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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