thermal radiation

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thermal radiation

[′thər·məl ‚rād·ē′ā·shən]
(thermodynamics)

thermal radiation

The transmission of heat from a hot surface to a cooler one in the form of invisible electromagnetic waves, which, on being absorbed by the cooler surface, raise the temperature of that surface without warming the space between.
References in periodicals archive ?
Now we offer a solution for user mobility with our portable radiant heater that expands our comfort solutions to more industries, for more purposes and to different types of consumers.
Caption: Figure 2 (a) Closed type incubator (b) Incubator with radiant heater
He said: "We have developed an electric radiant heater which can offer savings of up to 50 per cent on heating costs.
The same article shows that with infrared radiant heaters, the air temperature decreases while the operative temperature (which is the average of air and mean radiant temperature) remains nearly constant.
That approach has been demonstrated to be superior to drying and placing the newborn under a radiant heater as a means to prevent hypothermia.
Electric radiant heaters produce rays that pass through the air without heating it.
On the other hand, the Ni-Cr metal-sheath tubular radiant heater is available in different shapes.
Theoretical formulas for radiant temperature and radiant asymmetry at a workstation heated with a gas-fired radiant heater were presented by Edyta and Jezowiecki (2009).
Essentially, the radiant heater element and the surfaces heated by the radiant heater continue to heat objects in the room even after the thermal energy in the air has dissipated.
A big concrete dining table provides thermal mass, and at the same time acts as a radiant heater from the wood stove underneath.
The Institute of Gas Technology (IGT) has teamed with the Gas Institute (GI) of the National Academy of Sciences of Ukraine to demonstrate and commercialize a new technology -- an indirect gas-fired, low-inertia, flat radiant heater.