Energy Leaving Surface 1 That Is Transmitted Through Medium Calculator

Formula Used:

\[ \text{Energy Leaving Surface} = J_1 \times A_1 \times F_{12} \times \tau_m \]

Radiosity of 1st Body (J₁):

W/m²

Surface Area of Body 1 (A₁):

m²

Radiation Shape Factor 12 (F₁₂):

(0 to 1)

Transmissivity of Transparent Medium (τₘ):

(0 to 1)

Energy Leaving Surface:

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1. What is Energy Leaving Surface?

Energy Leaving Surface is defined as the total amount of emitted and reflected radiation leaving a surface, in the fields of optics and heat transfer. It represents the radiation energy that is transmitted through a transparent medium from one surface to another.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ \text{Energy Leaving Surface} = J_1 \times A_1 \times F_{12} \times \tau_m \]

Where:

\( J_1 \) — Radiosity of 1st Body (W/m²)
\( A_1 \) — Surface Area of Body 1 (m²)
\( F_{12} \) — Radiation Shape Factor 12 (0 to 1)
\( \tau_m \) — Transmissivity of Transparent Medium (0 to 1)

Explanation: The formula calculates the energy leaving surface 1 that is transmitted through a transparent medium, accounting for the radiosity, surface area, shape factor, and medium transmissivity.

3. Importance of Energy Leaving Surface Calculation

Details: Accurate calculation of energy leaving surface is crucial for thermal radiation analysis, heat transfer studies, and optical system design in various engineering applications.

4. Using the Calculator

Tips: Enter radiosity in W/m², surface area in m², radiation shape factor (0-1), and transmissivity (0-1). All values must be valid and within specified ranges.

5. Frequently Asked Questions (FAQ)

Q1: What is radiosity?
A: Radiosity represents the rate at which radiation energy leaves a unit area of a surface in all directions, including both emitted and reflected radiation.

Q2: What is radiation shape factor?
A: Radiation shape factor is the fraction of radiation energy radiated by one surface which is incident on another surface when both surfaces are placed in a non-absorbing medium.

Q3: What is transmissivity?
A: Transmissivity of transparent medium is the fraction of incident radiation flux transmitted through the medium.

Q4: What are typical values for radiation shape factor?
A: Radiation shape factor values range from 0 to 1, where 0 means no radiation reaches the second surface and 1 means all radiation from the first surface reaches the second surface.

Q5: In what units is the result expressed?
A: The energy leaving surface is expressed in Joules (J), which represents the total energy transmitted through the medium.