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Title: Velocity of sound in, and adiabatic compressibility of, Molten LiF-NaF, LiF-KF, NaF-KF mixtures

Abstract

The authors measured the velocity of sound as a function of temperature at 1.5 zHM frequency in LiF-NaF, NaF-KF, LiF-KF melts over the entire range of their compositions. The measurements were made by comparison of the phases of a reference pulse signal and a signal reflected from the bottom of the crucible. The specified temperatures were maintained constant within plus or minus 1 degree. The sound conductor consisted of a cylindrical rod of sintered beryllium oxide, which does not interact with test melts. The study shows that the velocity of sound decreases linearly with increase of the temperature. The values of the constants of the empirical equations are presented in a table, with indication of the temperature range. The dependence of the velocity of sound on composition of the melts is shown, where isotherms for 1250 K are given as an example. Variation of the composition by 1-2 mole % leads to increase or decrease of the velocity of sound by 5-10 m.

Authors:
; ;
Publication Date:
OSTI Identifier:
6958330
Resource Type:
Journal Article
Journal Name:
J. Appl. Chem. USSR (Engl. Transl.); (United States)
Additional Journal Information:
Journal Volume: 58:9, PT.2
Country of Publication:
United States
Language:
English
Subject:
21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS; 36 MATERIALS SCIENCE; LITHIUM FLUORIDES; COMPRESSIBILITY; ULTRASONIC TESTING; MOLTEN SALT COOLED REACTORS; COOLANTS; POTASSIUM FLUORIDES; SODIUM FLUORIDES; BERYLLIUM OXIDES; MHZ RANGE 01-100; MOLTEN SALTS; TEMPERATURE DEPENDENCE; ULTRASONIC WAVES; VELOCITY; WAVE PROPAGATION; ACOUSTIC TESTING; ALKALI METAL COMPOUNDS; ALKALINE EARTH METAL COMPOUNDS; BERYLLIUM COMPOUNDS; CHALCOGENIDES; FLUORIDES; FLUORINE COMPOUNDS; FREQUENCY RANGE; HALIDES; HALOGEN COMPOUNDS; LITHIUM COMPOUNDS; LITHIUM HALIDES; MATERIALS TESTING; MECHANICAL PROPERTIES; MHZ RANGE; MOLTEN SALT REACTORS; NONDESTRUCTIVE TESTING; OXIDES; OXYGEN COMPOUNDS; POTASSIUM COMPOUNDS; REACTORS; SALTS; SODIUM COMPOUNDS; SOUND WAVES; TESTING; 210300* - Power Reactors, Nonbreeding, Graphite Moderated; 360603 - Materials- Properties

Citation Formats

Minchenko, V I, Konovalov, Y V, and Smirnov, M V. Velocity of sound in, and adiabatic compressibility of, Molten LiF-NaF, LiF-KF, NaF-KF mixtures. United States: N. p., 1986. Web.
Minchenko, V I, Konovalov, Y V, & Smirnov, M V. Velocity of sound in, and adiabatic compressibility of, Molten LiF-NaF, LiF-KF, NaF-KF mixtures. United States.
Minchenko, V I, Konovalov, Y V, and Smirnov, M V. Mon . "Velocity of sound in, and adiabatic compressibility of, Molten LiF-NaF, LiF-KF, NaF-KF mixtures". United States.
@article{osti_6958330,
title = {Velocity of sound in, and adiabatic compressibility of, Molten LiF-NaF, LiF-KF, NaF-KF mixtures},
author = {Minchenko, V I and Konovalov, Y V and Smirnov, M V},
abstractNote = {The authors measured the velocity of sound as a function of temperature at 1.5 zHM frequency in LiF-NaF, NaF-KF, LiF-KF melts over the entire range of their compositions. The measurements were made by comparison of the phases of a reference pulse signal and a signal reflected from the bottom of the crucible. The specified temperatures were maintained constant within plus or minus 1 degree. The sound conductor consisted of a cylindrical rod of sintered beryllium oxide, which does not interact with test melts. The study shows that the velocity of sound decreases linearly with increase of the temperature. The values of the constants of the empirical equations are presented in a table, with indication of the temperature range. The dependence of the velocity of sound on composition of the melts is shown, where isotherms for 1250 K are given as an example. Variation of the composition by 1-2 mole % leads to increase or decrease of the velocity of sound by 5-10 m.},
doi = {},
url = {https://www.osti.gov/biblio/6958330}, journal = {J. Appl. Chem. USSR (Engl. Transl.); (United States)},
number = ,
volume = 58:9, PT.2,
place = {United States},
year = {1986},
month = {3}
}