Performance evaluation of single cylinder engines using different blends of jathropa curcas biodiesel as fuel

Date

4-2010

Degree

Bachelor of Science in Agricultural Engineering

Major Course

Major in Agricultural Power and Machinery Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Delfin C. Suministrado

Committee Member

Rosanna Marie C. Amongo, Victor A. Rodulfo, Jr., Marvin C. Petingco; Romulo E. Eusebio

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Abstract

This study evaluated the performance of two single cylinder, four-stroke, compression ignition engines using different blends of Jatropha curcas biodiesel and commercial diesel as fuel. Performance evaluation was made in terms of output power, fuel consumption, thermal efficiency, cooling water temperature and engine oil temperature. Four different biodiesel blends namely Blend 5, Blend 10, Blend 15 and Blend 20, and unblended diesel were used as the treatments. Data from AMTEC Test Report were used for the performance evaluation using unblended diesel. Two similar engines (9.5 hp KUVICO diesel engine and 9.5 hp VIKYNO diesel engine) were subjected to the continuous running tests based on the Philippine Agricultural Engineering Standards for Testing of Small Engines (PAES 117:2000) to obtain actual data for the output power, fuel consumption, cooling water temperature and engine oil temperature. The specific gravity and heating value of the different biodiesel blends were obtained for the computation of the thermal efficiency. Results showed that there were no significant differences in the performance of KUVICO Engine using the different fuel blends. On the other hand, significant differences on the fuel consumption and thermal efficiency were observed for the VIKYNO Engine. No indications of engine breakdown were observed during the test runs which suggested that Jatropha biodiesel is safe to use as alternative fuel. Furthermore, the differences in the performance of the two engines implied that engine performance was also affected by the nature of the engine itself and not only by the fuels used.

Language

English

LC Subject

Agricultural engineering, Biomass energy

Call Number

LG 993.5 2010 A2 A88

Document Type

Thesis

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