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Measuring Diameters Of Large VesselsComputerized apparatus produces accurate results quickly. Apparatus measures diameter of tank or other large cylindrical vessel, without prior knowledge of exact location of cylindrical axis. Produces plot of inner circumference, estimate of true center of vessel, data on radius, diameter of best-fit circle, and negative and positive deviations of radius from circle at closely spaced points on circumference. Eliminates need for time-consuming and error-prone manual measurements.
Document ID
19900000021
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Currie, James R.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Kissel, Ralph R.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Oliver, Charles E.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Smith, Earnest C.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Redmon, John W., Sr.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Wallace, Charles C.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Swanson, Charles P.
(NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28287
Accession Number
90B10021
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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