Cryogenic balances for the US NTFForce balances were used to obtain aerodynamic data in the National Transonic Facility (NTF) wind tunnel since it became operational in 1983. These balances were designed, fabricated, gaged, and calibrated to Langley Research Center's specifications to operate over the temperature range of -320 F to +140 F without thermal control. Some of the materials and procedures developed to obtain a balance that would perform in this environment are reviewed. The degree of success in using these balances thus far is reported. Some of the problem areas that need additional work are specified and some of the progress addressing these problems is described.
Document ID
19900006643
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ferris, Alice T. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
November 1, 1989
Publication Information
Publication: AGARD, Special Course on Advances in Cryogenic Wind Tunnel Technology