In-nozzle flow and spray characteristics for mineral diesel, Karanja, and Jatropha biodiesels

Avinash Kumar Agarwal, Sibendu Som, Pravesh Chandra Shukla, Harsh Goyal and Douglas Longman

Applied Energy, 2015, vol. 156, issue C, 138-148

Abstract: Superior spray behavior of fuels in internal combustion engines lead to improved combustion and emission characteristics therefore it is necessary to investigate fuel spray behavior of new alternative fuels. This study discusses the evolution of the in-nozzle orifice parameters of a numerical simulation and the evolution of spray parameters of fuel spray in a constant-volume spray chamber during an experiment. This study compares mineral diesel, biodiesels (Karanja-and Jatropha-based), and their blends with mineral diesel. The results show that mineral diesel provides superior atomization and evaporation behavior compared to the biodiesel test fuels. Karanja biodiesel provides superior atomization and evaporation characteristics compared to Jatropha biodiesel. The qualitative comparison of simulation and experimental results in tandem shows that nozzle-hole design is a critical parameter for obtaining optimum spray behavior in the engine combustion chamber.

Keywords: Cavitation; Primary atomization; Injector nozzle hole; Biodiesel; Viscosity (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:156:y:2015:i:c:p:138-148

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DOI: 10.1016/j.apenergy.2015.07.003

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