COMPARATIVE OPERATIONAL CHARACTERISTICS OF A DIRECT INJECTION ENGINE ON PETRODIESEL AND ITS BLENDS WITH JATROPHA BIODIESEL

Publication Date : 01/02/2010

Author(s) :

Bebeji, Y.A, Rufai, I.A.

Volume/Issue :

Volume 5

Issue 1

(02 - 2010)

Abstract :

This paper examines the operational parameters of a diesel engine running on biodiesel prepared from Jatropha Curcas Oil. Jatropha curcas oil was collected and Transesterified to produce biodiesel. Blends of Jatropha-based biodiesel (B20, B30, B50, and B100) with petroleum-based diesel were prepared (where B20, B30, B50,) etc represent percentage content of Jatropha biodiesel blends as well as pure diesel. The results obtained show that, the use of biodiesel has significant impact on the operational characteristics of the engine. The specific fuel consumption of the engine increases with the increase in the concentration of biodiesel in the fuel blends. The maximum exhaust temperature occurred at an engine speed of 2500 rpm for diesel fuel and for the blends B20, B50, and B100 occurred at a speed of 3100 rpm. Diesel fuel produced higher engine torque compared to Jatropha biodiesel blends.

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