Radiant Heat Calculator

Formula

The formula to calculate the Radiant Heat (RH) is:

\[ RH = \sigma T^4 A \]

Where:

\( RH \) is the Radiant Heat (W)
\( \sigma \) is the Stefan-Boltzmann Constant = \( 5.6703 \times 10^{-8} \) (W/m²K⁴)
\( T \) is the absolute temperature (K)
\( A \) is the area of the emitting body (m²)

What is Radiant Heat?

Radiant heat is the energy emitted by a body in the form of electromagnetic radiation due to its temperature. It is calculated using the Stefan-Boltzmann law, which states that the total energy radiated per unit surface area of a black body is directly proportional to the fourth power of the black body's absolute temperature.

Example Calculation

Let's assume the following values:

Temperature (T) = 300 K
Area (A) = 2 m²

Using the formula to calculate the Radiant Heat:

\[ RH = 5.6703 \times 10^{-8} \times 300^4 \times 2 \]

The Radiant Heat is approximately 918.54 W.