TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Density-Viscosity Correlations in Diesel-Biodiesel Blends
(Corelaţiile densitate-viscozitate în amestecurile diesel-biodiesel)
Vol LXIX • No. 3/2017
Ştefan Şandru, Ion Onuţu
Petroleum-Gas University of Ploieşti, Bd. Bucureşti, 39, Ploieşti
e-mail:sandru0318@gmail.com

 Keywords   correlation equation, biodiesel-diesel blends, rapeseed oil, density, viscosity

 Abstract
Biodiesel is an alternative fuel for diesel, having the advantages of being non-toxic and biodegradable. This paper studies two essential properties of biodiesel: density and viscosity. Correlation equations between density and viscosity, and respectively between viscosity and density were established following the experimental results and data processing. These equations were determined using linear regression.

 Rezumat
Biodieselul este o alternativă a combustibilului diesel, avand avantajul de a fi non-toxic şi biodegradabil. Această lucrare studiază două proprietăţi esenţiale ale biodieselului: densitatea şi viscozitatea. Ecuaţiile de corelaţie dintre densitate şi viscozitate, respectiv dintre viscozitate şi densitate au fost stabilite în urma procesării rezultatelor experimentale. Aceste ecuaţii au fost determinate folosind regresia liniară.



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