NASA NTRS · 19880000307
Test Apparatus For Oversize Ball-Bearing Models
Abstract
See-through machine enables direct observation and indirect measurements at moderate speeds. Model of ball bearing, six times larger than real bearing, rotated in test machine. Transparency of walls and simulated lubricant reveal flow patterns and allow visible-light and infrared photographs to be made.
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Wagner, William R.. 1988-05-01. Test Apparatus For Oversize Ball-Bearing Models. https://ntrs.nasa.gov/citations/19880000307
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