Initial Radiation Intensity Solution

STEP 0: Pre-Calculation Summary
Formula Used
Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance))
Iλo = Iλx/exp(-(αλ*x))
This formula uses 1 Functions, 4 Variables
Functions Used
exp - n an exponential function, the value of the function changes by a constant factor for every unit change in the independent variable., exp(Number)
Variables Used
Initial Radiation Intensity - (Measured in Watt per Steradian) - Initial Radiation Intensity is the radiant flux emitted, reflected, transmitted or received, per unit solid angle.
Radiation Intensity at Distance x - (Measured in Watt per Steradian) - Radiation intensity at Distance x is the radiant flux emitted, reflected, transmitted or received, per unit solid angle.
Monochromatic Absorption Coefficient - Monochromatic Absorption Coefficient is defined as the proportionality constant where thickness of the gas layer and the intensity of radiation are proportional.
Distance - (Measured in Meter) - Distance is the length across which the absorption of radiation beam is taking place.
STEP 1: Convert Input(s) to Base Unit
Radiation Intensity at Distance x: 638 Watt per Steradian --> 638 Watt per Steradian No Conversion Required
Monochromatic Absorption Coefficient: 0.42 --> No Conversion Required
Distance: 0.87 Meter --> 0.87 Meter No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Iλo = Iλx/exp(-(αλ*x)) --> 638/exp(-(0.42*0.87))
Evaluating ... ...
Iλo = 919.415629907719
STEP 3: Convert Result to Output's Unit
919.415629907719 Watt per Steradian --> No Conversion Required
FINAL ANSWER
919.415629907719 919.4156 Watt per Steradian <-- Initial Radiation Intensity
(Calculation completed in 00.022 seconds)

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Created by Ayush gupta
University School of Chemical Technology-USCT (GGSIPU), New Delhi
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Gas Radiation Calculators

Radiation Intensity at given Distance using Beer's Law
​ LaTeX ​ Go Radiation Intensity at Distance x = Initial Radiation Intensity*exp(-(Monochromatic Absorption Coefficient*Distance))
Initial Radiation Intensity
​ LaTeX ​ Go Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance))
Monochromatic Transmissivity
​ LaTeX ​ Go Monochromatic Transmissivity = exp(-(Monochromatic Absorption Coefficient*Distance))
Monochromatic Transmissivity if Gas is Non Reflecting
​ LaTeX ​ Go Monochromatic Transmissivity = 1-Monochromatic Absorption Coefficient

Important Formulas in Gas Radiation, Radiation Exchange with Specular Surfaces and more Special Cases Calculators

Initial Radiation Intensity
​ LaTeX ​ Go Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance))
Monochromatic Transmissivity
​ LaTeX ​ Go Monochromatic Transmissivity = exp(-(Monochromatic Absorption Coefficient*Distance))
Monochromatic Absorption Coefficient if Gas is Non-Reflecting
​ LaTeX ​ Go Monochromatic Absorption Coefficient = 1-Monochromatic Transmissivity
Monochromatic Transmissivity if Gas is Non Reflecting
​ LaTeX ​ Go Monochromatic Transmissivity = 1-Monochromatic Absorption Coefficient

Initial Radiation Intensity Formula

​LaTeX ​Go
Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance))
Iλo = Iλx/exp(-(αλ*x))

What is Radiation?

Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation “electromagnetic waves”.

What is Emissivity?

Emissivity is defined as the ratio of the energy radiated from a material's surface to that radiated from a perfect emitter, known as a blackbody, at the same temperature and wavelength and under the same viewing conditions. It is a dimensionless number between 0 (for a perfect reflector) and 1 (for a perfect emitter).

How to Calculate Initial Radiation Intensity?

Initial Radiation Intensity calculator uses Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance)) to calculate the Initial Radiation Intensity, The Initial Radiation Intensity formula is defined as the function of Radiation Intensity at distance x, absorption Coefficient and distance upto which radiation is absorbed in gas layer. Initial Radiation Intensity is denoted by Iλo symbol.

How to calculate Initial Radiation Intensity using this online calculator? To use this online calculator for Initial Radiation Intensity, enter Radiation Intensity at Distance x (Iλx), Monochromatic Absorption Coefficient λ) & Distance (x) and hit the calculate button. Here is how the Initial Radiation Intensity calculation can be explained with given input values -> 919.4156 = 638/exp(-(0.42*0.87)).

FAQ

What is Initial Radiation Intensity?
The Initial Radiation Intensity formula is defined as the function of Radiation Intensity at distance x, absorption Coefficient and distance upto which radiation is absorbed in gas layer and is represented as Iλo = Iλx/exp(-(αλ*x)) or Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance)). Radiation intensity at Distance x is the radiant flux emitted, reflected, transmitted or received, per unit solid angle, Monochromatic Absorption Coefficient is defined as the proportionality constant where thickness of the gas layer and the intensity of radiation are proportional & Distance is the length across which the absorption of radiation beam is taking place.
How to calculate Initial Radiation Intensity?
The Initial Radiation Intensity formula is defined as the function of Radiation Intensity at distance x, absorption Coefficient and distance upto which radiation is absorbed in gas layer is calculated using Initial Radiation Intensity = Radiation Intensity at Distance x/exp(-(Monochromatic Absorption Coefficient*Distance)). To calculate Initial Radiation Intensity, you need Radiation Intensity at Distance x (Iλx), Monochromatic Absorption Coefficient λ) & Distance (x). With our tool, you need to enter the respective value for Radiation Intensity at Distance x, Monochromatic Absorption Coefficient & Distance 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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