Radiant Heating Design Guide
 

 

Energy Emitted by a Black Body versus Temperature: For additional support visit our visitor services page.

Note: This page has interactive demonstrations activated with Wolfram CDF player - a free viewing software tool for CDF files. To take full advantage of the educational content below, download the Wolfram CDF player.

This Demonstration plots the monochromatic emissive power of a black body in at user-set values of the temperature (blue curve). The locus of the maximum values of the monochromatic emissive power (red curve) is given by Wien's displacement law:
 
.
 
The Demonstration also displays the value of as well as the total emissive power, (expressed in ), which is given by the Stefan–Boltzmann law:
 
, where .

 

 

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