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Impact Of Heating Temperature On Primary And Secondary Breakup Of Pure Vegetable Oil Spray

Journal: International Journal of Scientific & Technology Research (Vol.5, No. 12)

Publication Date:

Authors : ; ;

Page : 197-202

Keywords : pure vegetable oil; primary breakup; secondary breakup; heating temperature; viscosity; surface tension; fuel spray; diesel engine.;

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Abstract

Although pure vegetable oils have some advantages such as biodegradability oxygen content otherwise no sulfur content. However high viscosity high surface tension and density due to large structure of pure vegetable oils may be main causes which effect on the breakup mechanism and regime of the spray of the pure vegetable oils and hence it impacts the evaporation interactive aerodynamic mixture formation in combustion chamber and combustion. The paper presents the results of the influence of heating temperature on primary and secondary breakup mechanism of pure vegetable oil fuel spray. Pure vegetable oil is heated up to different temperature and determined the spray parameters such as spray penetration S and cone angle 26632 and compared to diesel fuel. The results show that the more heating temperature increase the smaller spray penetration S is and the bigger the cone angle 26632 is. Paper findings are used to calculate design and fabricate the heating system for pure vegetable oils in order to use direct as alternative fuel in the diesel engines.

Last modified: 2017-06-11 22:53:58