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Controllers for Flow-Field Survey ApparatusControl systems of flow-field survey apparatuses of 22-inch (56centimeter) Hypersonic Helium Facility (two-dimensional) and 20-inch (51centimeter) Mach 6 Tunnel (three-dimensional) at Langley Research Center equipped with single-chip microcomputer and single-board microcomputer, respectively, to drive probes at selected speeds and perform other functions automatically. Various modes of operation programed as need arises. Both of these control systems fabricated relatively inexpensively from commercially available stock components.
Document ID
19850000310
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Ashby George C., JR.
Vaccarelli, M. D.
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 3
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
LAR-13180
Accession Number
85B10310
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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