Download Crystal-Liquid-Gas Phase Transitions and Thermodynamic by Skripov V. P., Faizullin M. Z. PDF

By Skripov V. P., Faizullin M. Z.

Established upon this paintings and one other monograph released in basic terms in Russia, this booklet investigates the habit of melting line and the homes of the coexisting crystal and liquid section of easy components throughout quite a lot of pressures, together with metastable states of the coexisting stages. The authors derive new family members for the thermodynamic similarity for liquid-vapour section transition, in addition to describing solid-liquid, liquid-vapor and liquid-liquid section transitions for binary platforms utilising the radical technique of thermodynamic similarity.

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5 . 54) Then the generic correlation Eq. 575 . 19: Correlation between the quantities lg(∆hLV /vl pc ) and lg 1 − TeLV for argon (1) and benzene (2). 10: Comparison of experimental data for the heat of evaporation ∆hLV (exp) of carbon monoxide [40] with the calculated ones ∆hLV (calc) by using Eq. 55). 21 shows the dependence of ∆hLV /vL pc on f A, TLV in the range from the triple point to temperatures close to the critical one for various substances in logarithmic coordinates. The mean-square deviation of this point array from the correlation Eq.

The transition is accompanied by changes of volume and entropy of the substance. The melting curve separates two metastable states: the supercooled liquid and the superheated crystal. Since melting is accompanied by supply of heat to the crystal, the entropy of the substance is increased and ∆sSL > 0 holds. Moreover, for most substances, we can observe the “normal” type of the melting curve which corresponds to positive values of the change of the volume, ∆vSL , and positive values of the derivative, dp/dTSL .

The position where the second crossover occurs, is indicated as well. A detailed consideration of the critical behavior of systems in the presence of exciting fields is given in Ref. [30]. One can suppose with sufficient foundation that the spatial inhomogeneity of the system near the critical point is not only an accompanying effect of the influence of external fields but an essential feature having a significant impact on the results and determining the return to classical critical indices in the immediate vicinity of the critical point.

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