Radiation thermometry

Details Radiation thermometry Radiation thermometry

1988-03-29

1989-11-21

Cuchlinski Jr., William A.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

374128, 374134, 374 9, 356 45, G01J 552

Patent

active

048818232

ABSTRACT:
A method of determining true temperatures of a heated target material by its radiation based on prior knowledge of an emissivity function which describes the relationship between two spectral emissivities for the target material, comprising measuring two radiances corresponding to said two spectral emissivities from the target material, assuming a temperature of the target material, then calculating a pair of emissivities which satisfy the emissivity fuction whereat the assumed temperature is the true temperature of the target material.

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Tskhai, N. S., "Spectral Method of Determining the Emissivity of Hot Surfaces", J. Appl. Spectrose (USA) vol. 27, No. 3, (Sep. 1977)(Publ 3-78), 1111-1115.
Barber & Brown, "Establishing a Calibration Laboratory for Industrial Radiation Thermometry, " Applications of Radiation Thermometry ASTM STP 895, Richmond & DeWitt, Eds., Philadelphia, 1985, pp. 39-60.
Anderson, "Methods of Calibration at a National Laboratory," Applications of Radiation Thermometry ASTM STP 895, Richmond & DeWitt, Eds., Philadelphia, 1985, pp. 24-38.

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