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

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✖Absorptivity is the fraction of incident radiation flux absorbed by the body.ⓘ Absorptivity [α]			+10% -10%
✖Temperature is the degree or intensity of heat present in a substance or object.ⓘ Temperature [T]			+10% -10%

✖Absorbed radiation is the amount of radiation energy absorbed by the body per its unit surface area.ⓘ Radiation Absorbed by Small Body Per Unit of its Surface Area [G_abs]

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Radiation Absorbed by Small Body Per Unit of its Surface Area

Formula

`"G"_{"abs"} = "α"*"[Stefan-BoltZ]"*("T"^4)`

Example

`"1.923979W/m²"="0.65"*"[Stefan-BoltZ]"*(("85K")^4)`

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

STEP 0: Pre-Calculation Summary

Formula Used

Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4)
G_abs = α*[Stefan-BoltZ]*(T^4)
This formula uses 1 Constants, 3 Variables

Constants Used

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

Variables Used

Absorbed Radiation - (Measured in Watt per Square Meter) - Absorbed radiation is the amount of radiation energy absorbed by the body per its unit surface area.
Absorptivity - Absorptivity is the fraction of incident radiation flux absorbed by the body.
Temperature - (Measured in Kelvin) - Temperature is the degree or intensity of heat present in a substance or object.

STEP 1: Convert Input(s) to Base Unit

Absorptivity: 0.65 --> No Conversion Required
Temperature: 85 Kelvin --> 85 Kelvin No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G_abs = α*[Stefan-BoltZ]*(T^4) --> 0.65*[Stefan-BoltZ]*(85^4)

Evaluating ... ...

G_abs = 1.92397855896594

STEP 3: Convert Result to Output's Unit

1.92397855896594 Watt per Square Meter --> No Conversion Required

FINAL ANSWER

1.92397855896594 ≈ 1.923979 Watt per Square Meter <-- Absorbed Radiation

(Calculation completed in 00.004 seconds)

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Home » Physics » Heat and Mass Transfer » Radiation » Kirchhoff's Law » Radiation Absorbed by Small Body Per Unit of its Surface Area

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Created by Sai Venkata Phanindra Chary Arendra

Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology (VNRVJIET), Hyderabad

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< 6 Kirchhoff's Law Calculators

Temperature of Small Body using Absorptivity and Absorbed Radiation

Go Temperature = (Absorbed Radiation/([Stefan-BoltZ]*Absorptivity))^0.25

Absorptivity of Small Body using Absorbed Radiation and Temperature

Go Absorptivity = Absorbed Radiation/([Stefan-BoltZ]*(Temperature^4))

Temperature of Small Body given Emissivity and Emitted Radiation

Go Temperature = (Emitted Radiation/(Emissivity*[Stefan-BoltZ]))^0.25

Radiation Absorbed by Small Body Per Unit of its Surface Area

Go Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4)

Emissivity of Small Body given Emitted Radiation and Temperature

Go Emissivity = Emitted Radiation/([Stefan-BoltZ]*(Temperature^4))

Radiation emitted by small body

Go Emitted Radiation = Emissivity*[Stefan-BoltZ]*(Temperature^4)

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

Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4)
G_abs = α*[Stefan-BoltZ]*(T^4)

What is Kirchhoff law?

The total hemispherical emissivity of a surface at temperature T is equal to its total hemispherical absorptivity for radiation coming from a blackbody at the same temperature. This relation, which greatly simplifies the radiation analysis, was first developed by Gustav Kirchhoff in 1860 and is now called Kirchhoff’s law.

How to Calculate Radiation Absorbed by Small Body Per Unit of its Surface Area?

Radiation Absorbed by Small Body Per Unit of its Surface Area calculator uses Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4) to calculate the Absorbed Radiation, The Radiation Absorbed by Small Body Per Unit of its Surface Area formula is defined as the relation between absorbed radiation, absorptivity, and surface temperature of a small body. Absorbed Radiation is denoted by G_abs symbol.

How to calculate Radiation Absorbed by Small Body Per Unit of its Surface Area using this online calculator? To use this online calculator for Radiation Absorbed by Small Body Per Unit of its Surface Area, enter Absorptivity (α) & Temperature (T) and hit the calculate button. Here is how the Radiation Absorbed by Small Body Per Unit of its Surface Area calculation can be explained with given input values -> 1.923979 = 0.65*[Stefan-BoltZ]*(85^4).

FAQ

What is Radiation Absorbed by Small Body Per Unit of its Surface Area?

The Radiation Absorbed by Small Body Per Unit of its Surface Area formula is defined as the relation between absorbed radiation, absorptivity, and surface temperature of a small body and is represented as G_abs = α*[Stefan-BoltZ]*(T^4) or Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4). Absorptivity is the fraction of incident radiation flux absorbed by the body & Temperature is the degree or intensity of heat present in a substance or object.

How to calculate Radiation Absorbed by Small Body Per Unit of its Surface Area?

The Radiation Absorbed by Small Body Per Unit of its Surface Area formula is defined as the relation between absorbed radiation, absorptivity, and surface temperature of a small body is calculated using Absorbed Radiation = Absorptivity*[Stefan-BoltZ]*(Temperature^4). To calculate Radiation Absorbed by Small Body Per Unit of its Surface Area, you need Absorptivity (α) & Temperature (T). With our tool, you need to enter the respective value for Absorptivity & 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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