EXPERIMENTAL SPRAY STUDY WITH USAGE OF ALTERNATIVE FUELS

Blaž  Vajda; Gorazd  Bombek; Marko  Hočevar; Danilo  Ritlop; Breda  Kegl; Ignacijo Biluš

doi:10.18690/jet.6.2.49-58.2013

Blaž Vajda University of Maribor, Faculty for Mechanical Engineering
Gorazd Bombek Fakultete za strojništvo, Univerze v Mariboru
Marko Hočevar Univerza v Ljubljani, Ekonomska fakulteta
Danilo Ritlop Univerza v Mariboru
Breda Kegl Fakultete za strojništvo, Univerze v Mariboru
Ignacijo Biluš Fakultete za strojništvo, Univerze v Mariboru

DOI: https://doi.org/10.18690/jet.6.2.49-58.2013

Keywords: Alternative fuels, high-speed camera, fuel spray

Abstract

This paper presents an experimental investigation of the development of alternative fuel sprays. Injection process characteristics were measured with a Friedmann-Maier injection system test bench using different fuel blends. The spray was injected into the pressurised chamber at 40 or 60 bars and filmed with a high-speed camera. The image acquisition and processing system was developed in order to determine the spray-cone angle and the penetration length during different injection regimes. The results obtained from the experimental study show that differences in the chemical and physical characteristics of the alternative fuel blends used influence the spray characteristics (spray cone angle and penetration length). For wider usage of alternative fuels, further investigations need to be made.

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