Karakhevtseva A. Isochoric thermal conductivity of cyclic hydrocarbons.

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0415U004896

Thesis Registration Form

0415U004896.pdf

Applicant for

Specialization

  • 01.04.09 - Фізика низьких температур

13-10-2015

Specialized Academic Board

Д 64.175.02

B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

Essay

The thesis is devoted to the experimental study of mechanisms of the heat transfer in orientationally disordered phases of cyclic hydrocarbons: furan, thiophene, cyclopentane, and cyclohexene. It is shown that the isochoric thermal conductivity of such crystals increases with temperature, and the magnitude of the effect correlates with the degree of the disinhibition of rotational motion of molecules as well as changing of the value of the second NMR momentum. It has been established that the reason for the increase of isochoric thermal conductivity with the growing temperature is the disinhibition of uniaxial rotation of the molecules with further disinhibition of rotation of the molecule as a whole.

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Files

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