Active radiometer for self-calibrated furnace temperature measur

Details Active radiometer for self-calibrated furnace temperature measur Active radiometer for self-calibrated furnace temperature measur

1994-01-14

1996-11-12

Gutierrez, Diego F. F.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

374128, 374131, 374141, G01J 508, G01J 562

Patent

active

055733395

ABSTRACT:
Radiometer with a probe beam superimposed on its field-of-view for furnace temperature measurements. The radiometer includes a heterodyne millimeter/submillimeter-wave receiver including a millimeter/submillimeter-wave source for probing. The receiver is adapted to receive radiation from a surface whose temperature is to be measured. The radiation includes a surface emission portion and a surface reflection portion which includes the probe beam energy reflected from the surface. The surface emission portion is related to the surface temperature and the surface reflection portion is related to the emissivity of the surface. The simultaneous measurement of surface emissivity serves as a real time calibration of the temperature measurement.

REFERENCES:
patent: 4235107 (1980-11-01), Ludeke
patent: 4292638 (1981-09-01), Lazarchik et al.
patent: 4568199 (1986-02-01), Schmidt
patent: 4708493 (1987-11-01), Stein
patent: 4919542 (1990-04-01), Nulman et al.
patent: 4956538 (1990-09-01), Moslehi
patent: 4979133 (1990-12-01), Arima et al.
patent: 4979134 (1990-12-01), Arima et al.
patent: 4984902 (1991-01-01), Crowley et al.
patent: 5029117 (1991-07-01), Patton
patent: 5036289 (1991-07-01), Duran
patent: 5255286 (1993-10-01), Moslehi et al.
patent: 5305416 (1994-04-01), Fiory
patent: 5308161 (1994-05-01), Stein
patent: 5326173 (1994-07-01), Evans et al.
Ma et al. "Night Moth Eye Window for the Millimetre and Sub-Millimetre Wave Region" Optica Acta, 30(12), 1685-1695 (1983).
J. H. Rainwater, "Radiometers: Electronic Eyes that `See` Noise", Microwaves, pp. 58-62, Sep. 1978.
H. R. Fetterman et al., "Far-ir Heterodyne Radiometric Measurements With Quasioptical Schottky Diode Mixers", Appl. Phys. Lett., vol. 33, pp. 151-154, 1978.
M. Tumm, "Computer-aided Analysis and Design of Corrugated TE.sub.11 to HE.sub.11 Mode Converters In Highly Overmoded Waveguides", Intern. J. of Infrared and Millimeter Waves, vol. 6, pp. 577-597, 1985.
J. D. Kraus, "Radio Astronomy", Chapter 7 by M. E. Tiuri, Radio-Telescope Receivers, McGraw Hill, New York, 1975.
F. P. Incropera and D. P. DeWitt, "Introduction to Heat Transfer", 2nd Ed., Chapter 12, Section 12.6, John Wiley and Sons, New York, 1990.
Richard et al., "Mesure de temperature par radiometric hertzienne", Measures Regulation Automatisme, vol. 9, p. 85-94 (Sep. 1964).

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