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High-Speed Laser Anemometer (1982)

Powell, J. A. ; Strazisar, A. ; Seasholtz, R.

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Publication Date: 2019-06-28

Description: New high-speed laser anemometer system rapidly and efficiently maps gas-flow velocities within rotating blade rows of turbomachinery. Small seed particles entrained in gas flow fluoresce when they pass through probe volume, which is the fringe pattern formed by intersecting laser beams. Transit time of particles is obtained by use of suitable optics, photomultiplier tube and electronic signal processor. Data are then sent to a minicomputer.

Keywords: MECHANICS

Type: LEW-13527 , NASA Tech Briefs (ISSN 0145-319X); 6; 1; P. 52

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