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Determination of the density and the viscosities of biodiesel–diesel fuel blends

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  • Alptekin, Ertan
  • Canakci, Mustafa

Abstract

In this study, commercially available two different diesel fuels were blended with the biodiesels produced from six different vegetable oils (sunflower, canola, soybean, cottonseed, corn oils and waste palm oil). The blends (B2, B5, B10, B20, B50 and B75) were prepared on a volume basis. The key fuel properties such as density and viscosities of the blends were measured by following ASTM test methods. Generalized equations for predicting the density and viscosities for the blends were given and a mixing equation, originally proposed by Arrhenius and described by Grunberg and Nissan, was used to predict the viscosities of the blends. For all blends, it was found that there is an excellent agreement between the measured and estimated values of the density and viscosities. According to the results, the density and viscosities of the blends increased with the increase of biodiesel concentration in the fuel blend.

Suggested Citation

  • Alptekin, Ertan & Canakci, Mustafa, 2008. "Determination of the density and the viscosities of biodiesel–diesel fuel blends," Renewable Energy, Elsevier, vol. 33(12), pages 2623-2630.
    • Handle: RePEc:eee:renene:v:33:y:2008:i:12:p:2623-2630
    DOI: 10.1016/j.renene.2008.02.020
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