Not the radiative heat transfer (Q=sigma*A*e(Ta^4 - Tb^4)) equation.
In other words, can we directly conclude, for a given emissivity this will be your temperature?
Like the Infra Red thermometers do. For the same surface temperature, IR Thermometer reads different temperature at different emissivity value. Do we have an equation for this?
Correct me if I'm wrong, is it called Emissivity correction factor? I have a cast iron material, at 0.21 emissivity value it read 1411F but the actual temperature was below 900F. At 0.41 value it read 1432F which is acceptable. Do we just have an equation to do this correction?
Thanks in advance.
First of all this question do not address a problem clearly enough.
(1) Emissivity is material surface property. In some cases it depends on temperature but there is no formula connecting temperature and emissivity.
(2) In the non-contact thermometers the signal is proportional to detector spectral responsivity and radiance of the surface in the receiver spectral sensitivity band. Radiance is proportional to the product surface Blackbody radiance (depends of temperature) and emissivity of the surface. For accurate measurements of radiative temperature, emissivity of the temperature should be estimated.
The answer of your question is no.
The advice is to make some efforts to learn more about IR thermometry.
Good luck
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