Remote temperature measurement

Details Remote temperature measurement Remote temperature measurement

1985-01-24

1987-04-07

Frankfort, Charles

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Temperature or pressure measurement

374119, 374117, G21C 1702, G01K 1124

Patent

active

046559922

ABSTRACT:
Temperature, or temperature noise, is measured by employing an ultrasonic beam which strikes at least one pair of points (10A, 10B) which are a known distance apart and the time interval between the two points is resolved and related to the distance to give a measure of temperature of the medium between the two points. The point pairs may be naturally occurring, such as the diametrically opposed edges of a fuel element channel in a sodium-cooled nuclear reactor, or specifically provided. The beam may be at glancing incidence on a number of point pairs in line and, in this situation, the beam is wider in the direction transverse to its path than it is along its path.

REFERENCES:
patent: 2934756 (1960-04-01), Kalmus
patent: 3169117 (1965-02-01), Dickinson et al.
patent: 3810138 (1974-05-01), Thompson et al.
patent: 4111747 (1978-09-01), Eck et al.
patent: 4290849 (1981-09-01), Uesugi et al.
patent: 4486382 (1984-12-01), Gravelle et al.
Epler, E. P., "Reliability of Reactor Systems", Nuclear Safety, vol. 4, No. 4, pp. 72-84, Jun. 1963.

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