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Title: Probe for measurement of velocity and density of vapor in vapor plume

A probe is disclosed 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. 10 figs.
Inventors:
; ;
Issue Date:
OSTI Identifier:
445710
Assignee:
Dept. of Energy, Washington, DC (United States) PTO; SCA: 440800; PA: EDB-97:043490; SN: 97001749862
Patent Number(s):
US 5,610,704/A/
Application Number:
PAN: 8-345,683
Contract Number:
W-7405-ENG-48
Resource Relation:
Other Information: PBD: 11 Mar 1997
Research Org:
University of California
Country of Publication:
United States
Language:
English
Subject:
44 INSTRUMENTATION, INCLUDING NUCLEAR AND PARTICLE DETECTORS; PROBES; PLUMES; VISIBLE RADIATION; OPTICAL SYSTEMS; VAPORS; VELOCITY; DENSITY; TEMPERATURE MEASUREMENT; DESIGN