Probe for measurement of velocity and density of vapor in vapor

Details Probe for measurement of velocity and density of vapor in vapor Probe for measurement of velocity and density of vapor in vapor

1994-11-21

1997-03-11

Tarcza, Thomas H.

Optics: measuring and testing

Velocity or velocity/height measuring

With light detector

356437, G01N 2100, G01P 336

Patent

active

056107048

ABSTRACT:
A probe which directs a light beam through a vapor plume in a first direction at a first angle ranging from greater than 0.degree. to less than 90.degree., reflecting the light beam back through the vapor plume at a 90.degree. angle, and then reflecting the light beam through the vapor plume a third time at a second angle equal to the first angle, using a series of mirrors to deflect the light beam while protecting the mirrors from the vapor plume with shields. The velocity, density, temperature and flow direction of the vapor plume may be determined by a comparison of the energy from a reference portion of the beam with the energy of the beam after it has passed through the vapor plume.

REFERENCES:
patent: 2878388 (1959-03-01), Bergson
patent: 3861809 (1975-01-01), Hall, Jr.
patent: 4640621 (1987-02-01), Rose
patent: 4746218 (1988-05-01), Lord, III
patent: 4756622 (1988-07-01), Wong
patent: 4934816 (1990-06-01), Silver et al.
patent: 4937461 (1990-06-01), Traina
patent: 5252828 (1993-10-01), Kert et al.

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