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Dependence of sound velocity on salinity and temperature in saline solutions
An ultrasonic velocimeter has previously been developed and tested for the measurement of salinity distributions in salt-gradient solar ponds. The results of the previous study were salinity relations for NaCl solutions as a function of speed of sound and temperature over the salinity and temperatur...
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Published in: | Solar energy 1991, Vol.46 (6), p.371-375 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | An ultrasonic velocimeter has previously been developed and tested for the measurement of salinity distributions in salt-gradient solar ponds. The results of the previous study were salinity relations for NaCl solutions as a function of speed of sound and temperature over the salinity and temperature ranges commonly encountered in solar ponds. The present work develops similar relations for several other common single salt solutions. Also, a general relationship which gives the change in sound speed as a function of salinity and temperature for a mixture of salts is developed. This relation allows the prediction of salinity as a function of speed of sound and temperature in any solar pond based only on the composition of salts in the pond and the individual constituent salt calibration relations. The present results show that the general relation accurately predicts sound speed behavior in bittern solutions. Extension of the results to mixtures with large fractions of constituent salts has yet to be demonstrated. |
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ISSN: | 0038-092X 1471-1257 |
DOI: | 10.1016/0038-092X(91)90052-X |