Measuring and testing – Vibration – By mechanical waves
Patent
1990-02-12
1991-03-19
Williams, Hezron E.
Measuring and testing
Vibration
By mechanical waves
73290V, 73657, 73643, G01F 2200
Patent
active
050000462
ABSTRACT:
A method of measuring a molten metal liquid pool volume and in particular molten titanium liquid pools, including the steps of (a) generating an ultrasonic wave at the surface of the molten metal liquid pool, (b) shining a light on the surface of a molten metal liquid pool, (c) detecting a change in the frequency of light, (d) detecting an ultrasonic wave echo at the surface of the molten metal liquid pool, and (e) computing the volume of the molten metal liquid.
REFERENCES:
patent: 4578997 (1986-04-01), Soltz
patent: 4659224 (1987-04-01), Monchalin
patent: 4837750 (1989-06-01), Saunders
Parker et al., Journal of Applied Physics, vol. 58, 11 (Dec. 1985), pp. 4150-4164.
Dewhurst et al., Journal of Applied Physics, vol. 63, 4 (Feb. 15, 1988), pp. 1225-1227.
Carlson Nancy M.
Donaldson Alan D.
Garcia Gabe V.
Anderson Thomas G.
Finley Rose M.
Fisher Robert J.
Moser William R.
The United States of America as represented by the United States
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