Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61275
Title: Combustion, gaseous and particulate emission of a diesel engine fueled with n-pentanol (C5 alcohol) blended with waste cooking oil biodiesel
Authors: Zhu, L
Xiao, Y
Cheung, CS 
Guan, C
Huang, Z
Keywords: Biodiesel
Morphological analysis
Oxidative reactivity
Particulate size distribution
Pentanol
Issue Date: 2016
Publisher: Pergamon Press
Source: Applied thermal engineering, 2016, v. 102, p. 73-79 How to cite?
Journal: Applied thermal engineering 
Abstract: The combustion, gaseous and particulate emissions of a diesel engine fueled with biodiesel-pentanol (BP) blends were investigated under different engine loads. The results indicate that with the increased pentanol fraction, the start of combustion is delayed. All of the BP blends provide faster combustion than biodiesel and diesel fuel from CA10 to CA90. The faster combustion of BP blends leads to a higher BTE than that of biodiesel and diesel fuel in most cases. The particle mass and number concentrations are reduced by the addition of pentanol in biodiesel in most test conditions, due to the higher oxygen concentration for the fuel/air stoichiometry, longer ignition delay for fuel/air mixing, and lower viscosity for the improvement of atomization. The R-(C=O)O-R′ group in biodiesel is less efficient in suppressing the soot precursor's formation than the R-OH group in pentanol. The diameter of the primary particles is reduced with the increased addition of pentanol. The particulate emission of BP10 have higher oxidation reactivity that that of BP20 and BP30. Base on this study, pentanol-biodiesel can be considered as an acceptable alternative fuel for diesel engines due to its improved combustion performance and reduced particulate emissions.
URI: http://hdl.handle.net/10397/61275
ISSN: 1359-4311
EISSN: 1873-5606
DOI: 10.1016/j.applthermaleng.2016.03.145
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