Thermodynamics of oxygenate fuel additives as a function of temperature

R. Gonzalez-Olmos, M. Iglesias, B. M.R.P. Santos, S. Mattedi

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34 Cites (Scopus)


This article reports experimental data of density and ultrasonic velocity at the range from 278.15 to 323.15 K and atmospheric pressure of ethers used as additives in fuels (methyl tert-butyl ether ethyl tert-butyl ether, tert-amyl ether and diisopropyl ether). From the experimental data, temperature dependent polynomials were fitted and theoretical models were used to correlate these properties. The MTC Lattice Gas EOS is used to correlate simultaneously vapour pressures and volumetric properties. Free Length Theory is applied to estimate the ultrasonic velocity of the chemicals as a function of temperature, satisfactory predictions were obtained. The dependence of temperature showed by these magnitudes reveals a strong interaction at low values.

Idioma originalAnglès
Pàgines (de-a)223-237
Nombre de pàgines15
RevistaPhysics and Chemistry of Liquids
Estat de la publicacióPublicada - de juny 2008
Publicat externament


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