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Absorptivity of Small Body using Absorbed Radiation and Temperature Formula

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The Absorptivity is the measure of a material's ability to absorb radiation, indicating how much energy is absorbed compared to the total incident radiation. Check FAQs

α = \frac{G abs}{[Stefan-BoltZ] \cdot (T^{4})}

α - Absorptivity?G_abs - Absorbed Radiation?T - Temperature?[Stefan-BoltZ] - Stefan-Boltzmann Constant?

Absorptivity of Small Body using Absorbed Radiation and Temperature Example

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Here is how the Absorptivity of Small Body using Absorbed Radiation and Temperature equation looks like with Values.

Here is how the Absorptivity of Small Body using Absorbed Radiation and Temperature equation looks like with Units.

Here is how the Absorptivity of Small Body using Absorbed Radiation and Temperature equation looks like.

0.65 = \frac{1.924}{5.7E-8 \cdot (85^{4})}

0.65 = \frac{1.924W/m²}{5.7E-8 \cdot ({85K}^{4})}

0.65 = \frac{1.924}{5.7E-8 \cdot (85^{4})}

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Absorptivity of Small Body using Absorbed Radiation and Temperature Solution

Follow our step by step solution on how to calculate Absorptivity of Small Body using Absorbed Radiation and Temperature?

FIRST Step Consider the formula

α = \frac{G abs}{[Stefan-BoltZ] \cdot (T^{4})}

Next Step Substitute values of Variables

∴

α = \frac{1.924W/m²}{[Stefan-BoltZ] \cdot ({85K}^{4})}

Next Step Substitute values of Constants

∴

α = \frac{1.924W/m²}{5.7E-8 \cdot ({85K}^{4})}

Next Step Prepare to Evaluate

∴

α = \frac{1.924}{5.7E-8 \cdot (85^{4})}

Next Step Evaluate

∴

α = 0.650000148999655

LAST Step Rounding Answer

∴

α = 0.65

Absorptivity of Small Body using Absorbed Radiation and Temperature Formula Elements

Variables

Constants

Absorptivity

The Absorptivity is the measure of a material's ability to absorb radiation, indicating how much energy is absorbed compared to the total incident radiation.

Symbol: α

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Absorptivity

Absorbed Radiation

The Absorbed Radiation is the portion of incident radiation energy that is absorbed by a surface, influencing temperature and energy transfer in thermal systems.

Symbol: G_abs

Measurement: Heat Flux DensityUnit: W/m²

Note: Value should be greater than 0.

Formulas to find Absorbed Radiation

Temperature

The Temperature is a measure of the thermal energy of a system, indicating how hot or cold it is, and plays a crucial role in heat transfer processes.

Symbol: T

Measurement: TemperatureUnit: K

Note: Value can be positive or negative.

Formulas to find Temperature

Stefan-Boltzmann Constant

Stefan-Boltzmann Constant relates the total energy radiated by a perfect black body to its temperature and is fundamental in understanding blackbody radiation and astrophysics.

Symbol: [Stefan-BoltZ]

Value: 5.670367E-8

Other formulas in Kirchhoff's Law category

Go Temperature of Small Body given Emissivity and Emitted Radiation

T = {(\frac{E emit}{ε \cdot [Stefan-BoltZ]})}^{0.25}

Go Temperature of Small Body using Absorptivity and Absorbed Radiation

T = {(\frac{G abs}{[Stefan-BoltZ] \cdot α})}^{0.25}

Go Radiation emitted by small body

E emit = ε \cdot [Stefan-BoltZ] \cdot (T^{4})

Go Radiation Absorbed by Small Body Per Unit of its Surface Area

G abs = α \cdot [Stefan-BoltZ] \cdot (T^{4})

How to Evaluate Absorptivity of Small Body using Absorbed Radiation and Temperature?

Absorptivity of Small Body using Absorbed Radiation and Temperature evaluator uses Absorptivity = Absorbed Radiation/([Stefan-BoltZ]*(Temperature^4)) to evaluate the Absorptivity, Absorptivity of Small Body using Absorbed Radiation and Temperature formula is defined as a measure of the amount of radiation absorbed by a small body, which is influenced by the temperature of the body and the amount of radiation it receives. Absorptivity is denoted by α symbol.

How to evaluate Absorptivity of Small Body using Absorbed Radiation and Temperature using this online evaluator? To use this online evaluator for Absorptivity of Small Body using Absorbed Radiation and Temperature, enter Absorbed Radiation (G_abs) & Temperature (T) and hit the calculate button.

FAQs on Absorptivity of Small Body using Absorbed Radiation and Temperature

What is the formula to find Absorptivity of Small Body using Absorbed Radiation and Temperature?

The formula of Absorptivity of Small Body using Absorbed Radiation and Temperature is expressed as Absorptivity = Absorbed Radiation/([Stefan-BoltZ]*(Temperature^4)). Here is an example- 87.83882 = 1.923979/([Stefan-BoltZ]*(85^4)).

How to calculate Absorptivity of Small Body using Absorbed Radiation and Temperature?

With Absorbed Radiation (G_abs) & Temperature (T) we can find Absorptivity of Small Body using Absorbed Radiation and Temperature using the formula - Absorptivity = Absorbed Radiation/([Stefan-BoltZ]*(Temperature^4)). This formula also uses Stefan-Boltzmann Constant .

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