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 TVT, 2013, Volume 51, Issue 2, Pages 253–260 (Mi tvt80)

Thermophysical Properties of Materials

Phase transformations in water-aliphatic alcohol binary systems

E. A. Bazaev, A. R. Bazaev

Institute for Geothermal Problems, Dagestan Scientific Center, Russian Academy of Sciences, pr. Shamil'a 39-A, Makhachkala, 367030, Russia

Abstract: The parameters of liquid-vapor phase transitions $p_s$, $\rho_s$, $T_s$ and critical points $p_c$, $\rho_c$, $T_c$ were determined from the experimental data on the $p$, $\rho$, $T$, $x$-dependences of aqueous solutions of aliphatic alcohols (methanol, ethanol, $n$-propanol) that contain $0.2$, $0.5$, and $0.8$ mole fractions ($x$) of ethanol and correspond to single-phase (gas, liquid), two-phase, or subcritical areas. The dependence of the pressure of saturated vapor in solutions on the temperature and density was described by means of the expansion of the compressibility factor $Z=p/RT\rho_m$ in powers of the density and temperature along the coexistence curve away from the critical point. The temperature dependence of the density of solutions along the coexistence curve and inside the critical area was fitted using the power functions of parameters $\omega\sim\tau^{\beta_i}$, $\tau=(T-T_c)/T_c$ and $\omega=(\rho_{1,v}-\rho_c)/\rho_c$.

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English version:
High Temperature, 2013, 51:2, 224–230

Bibliographic databases:

UDC: 536.763: 536.764: 544.344.2

Citation: E. A. Bazaev, A. R. Bazaev, “Phase transformations in water-aliphatic alcohol binary systems”, TVT, 51:2 (2013), 253–260; High Temperature, 51:2 (2013), 224–230

Citation in format AMSBIB
\Bibitem{BazBaz13} \by E.~A.~Bazaev, A.~R.~Bazaev \paper Phase transformations in water-aliphatic alcohol binary systems \jour TVT \yr 2013 \vol 51 \issue 2 \pages 253--260 \mathnet{http://mi.mathnet.ru/tvt80} \elib{http://elibrary.ru/item.asp?id=18822189} \transl \jour High Temperature \yr 2013 \vol 51 \issue 2 \pages 224--230 \crossref{https://doi.org/10.1134/S0018151X1301001X} \isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000320157900012} \elib{http://elibrary.ru/item.asp?id=20445673} \scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84880658145} 

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Citing articles on Google Scholar: Russian citations, English citations
Related articles on Google Scholar: Russian articles, English articles

This publication is cited in the following articles:
1. B. D. Babaev, “Principles of heat accumulation and heat-accumulating materials in use”, High Temperature, 52:5 (2014), 736–751
2. A. D. Alekhin, O. I. Bilous, “The phenomenological approach to estimating critical indeces of critical fluid”, High Temperature, 53:2 (2015), 199–205
3. Y. Marcus, “Some thermophysical properties of methanol and aqueous methanol mixtures at sub-and supercritical conditions”, J. Mol. Liq., 239:SI (2017), 10–13
4. L. A. Bulavin, A. V. Chalyi, O. I. Bilous, “Anomalous propagation and scattering of sound in 2-propanol water solution near its singular point”, J. Mol. Liq., 235:SI (2017), 24–30
5. A. B. Alhasov, A. R. Bazaev, E. A. Bazaev, B. K. Osmanova, “Thermodynamic properties and energy characteristics of water+1-propanol”, International Conference Problems of Thermal Physics and Power Engineering (PTPPE-2017), Journal of Physics Conference Series, 891, IOP Publishing Ltd, 2017, UNSP 012327
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