Experimental viscosity measurements of biodiesels at high pressure | Zendy

C.J. Schaschke | Zendy

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Experimental viscosity measurements of biodiesels at high pressure

Author(s) -

C.J. Schaschke

Publication year - 2016

Publication title -

chemical industry and chemical engineering quarterly

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.189

H-Index - 26

eISSN - 2217-7434

pISSN - 1451-9372

DOI - 10.2298/ciceq160212015s

Subject(s) - viscometer , diesel fuel , biodiesel , viscosity , rapeseed , materials science , common rail , reduced viscosity , analytical chemistry (journal) , thermodynamics , composite material , chemistry , chromatography , organic chemistry , catalysis , physics , food science

The viscosity of biodiesels of soybean and rapeseed biodiesels blended with mineral diesel fuel were measured at pressures of up to 200 MPa. Using a falling sinker-type viscometer reproducible viscosity data were obtained based on the time taken for a sinker to descend a fixed distance down an enclosed tube under the influence of gravity. Measurements were taken using pressures which correspond to those of interest in automotive common rail diesel engines, and at temperatures of between 25oC and 80oC. In all cases, the viscosity of the biodiesel blends were found to increase exponentially for which the blends were noted as being more viscous than pure mineral fuels. A pressure-freezing effect was not observed for the blends.

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