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Sound speed measurements in liquid oxygen-liquid nitrogen mixturesThe sound speed in liquid oxygen (LOX), liquid nitrogen (LN2), and five LOX-LN2 mixtures was measured by an ultrasonic pulse-echo technique at temperatures in the vicinity of -195.8C, the boiling point of N2 at a pressure of I atm. Under these conditions, the measurements yield the following relationship between sound speed in meters per second and LN2 content M in mole percent: c = 1009.05-1.8275M+0.0026507 M squared. The second speeds of 1009.05 m/sec plus or minus 0.25 percent for pure LOX and 852.8 m/sec plus or minus 0.32 percent for pure LN2 are compared with those reported by past investigators. Measurement of sound speed should prove an effective means for monitoring the contamination of LOX by Ln2.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Zuckerwar, A. J.
(NASA Langley Research Center Hampton, VA, United States)
Mazel, D. S.
(Old Dominion Univ.)
Date Acquired
September 5, 2013
Publication Date
September 1, 1985
Subject Category
Propellants And Fuels
Report/Patent Number
NAS 1.60:2464
Accession Number
Funding Number(s)
PROJECT: RTOP 505-33-53-14
Distribution Limits
Work of the US Gov. Public Use Permitted.
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