The temperature dependence of the ultrasonic velocity
Temperature dependence of the vibrational relaxation time of liquid carbontetrachloride
โ Scribed by Augustinus Asenbaum; Martin Sedlacek
- Publisher
- Elsevier Science
- Year
- 1978
- Weight
- 252 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0378-4487
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โฆ Synopsis
The vibrational relaxation time of liquid Ccl4 was meas- ured as a function of temperature in a Brillouin-scattering experiment. Between -5OC and 65OC the relaxation time ~~~~ decreases from 160 psec to 145 psec. The nonrelaxing fraction of the bulk viscosity was found to be 1.5 to 2.5 times the shear viscosity.
๐ SIMILAR VOLUMES
The energy rekstion of the lowest vibrational Ieke (U = 1) of liquid oxygen in the electronic ground state aas investigated \Cthin a wide temperature range (53.4 Ii < T < 96 R). The relaation time exhibits a peak vlllue of; = 3.1 ms around 65 I< and is shorter at loxcer and higher temperatures. The
The proton spin-spin rebxation time for liquid chloroform has been measured over the temperature range -54" to +9O"C. The values of Ta(H) decrease with increasing temperature contrary to the behavior obsemed for Tr (H). Values of Tz (I-l) calculated from experimental values of Tr (H) and Tz(Cl) repr
The temperature dependence of vibrational relaxation in carbon fetrachloride has been invfstigakd from nC%X the melting point to nex the boiling point. 'Ihe method of \_qontzneous B;il!ouin scrtterin, 0 hx been used to deter-mine the hypersonic frequencies and velocities 9s functions of tzmperzture.