Thermal measuring and testing – Temperature measurement – In spaced noncontact relationship to specimen
Patent
1982-03-26
1984-02-21
Goldberg, Gerald
Thermal measuring and testing
Temperature measurement
In spaced noncontact relationship to specimen
374128, G01J 516
Patent
active
044326572
ABSTRACT:
A method and apparatus to measure the temperature of a slab in a reheat furnace with increased accuracy using either a single or dual pyrometer system through use of a multiplicity of temperature correction functions involving temperatures of slab and wall, distance between a pyrometer and the slab at which it is aimed, a ratio of air and fuel supplying the furnace heat and radiation interferences. The functions are chosen by a microprocessor in the system dependent on temperature differentials, emissivity setting of the pyrometer, target distance between pyrometer and slab, and air and fuel flow rates existing and fluctuating in the system.
REFERENCES:
patent: 2837917 (1958-06-01), Machler
patent: 2846882 (1958-08-01), Gray
patent: 3057200 (1962-10-01), Wood
patent: 3433052 (1969-03-01), Maley
patent: 3451254 (1969-06-01), Maley
patent: 3492869 (1970-02-01), Toyota et al.
patent: 4144758 (1979-03-01), Roney
Jackson Ronald W.
Martocci Anthony P.
Rudzki Eugene M.
Bethlehem Steel Corporation
Goldberg Gerald
Iverson John I.
Noll William B.
Roskos Joseph W.
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