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Fuel Properties Improvement of Jatropha Oil using Exhaust Heat of Diesel Engine

Fuel Properties Improvement of Jatropha Oil using Exhaust Heat of Diesel Engine The aim of the present work is to design a helical coil heat exchanger to extract waste heat from exhaust gas of a diesel engine to improve the fuel properties of high viscous crude Jatropha oil (CJO). A detailed designed procedure of helical coil heat exchanger was reported in this paper. The results showed that the fuel properties like density and viscosity reduced by 2.13 and 48.76 % respectively by gaining temperature from exhaust gas. Finally preheated Jatropha oil (PJO) fueled to the 5.5 kW diesel engine and it operated smoothly with a maximum brake thermal efficiency of 29.15 % as compared to 29.88 and 28.33 % for HSD and CJO, respectively. The brake specific energy consumption of CJO and PJO was found to be only 2.84 and 5.47 % higher than that of HSD, respectively. Efficiency of the heat exchanger was found to be varying between 19 and 26 % with engine load. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Fuel Properties Improvement of Jatropha Oil using Exhaust Heat of Diesel Engine

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Publisher
Springer Journals
Copyright
Copyright © 2013 by The Institution of Engineers (India)
Subject
Engineering; Civil Engineering
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-013-0031-1
Publisher site
See Article on Publisher Site

Abstract

The aim of the present work is to design a helical coil heat exchanger to extract waste heat from exhaust gas of a diesel engine to improve the fuel properties of high viscous crude Jatropha oil (CJO). A detailed designed procedure of helical coil heat exchanger was reported in this paper. The results showed that the fuel properties like density and viscosity reduced by 2.13 and 48.76 % respectively by gaining temperature from exhaust gas. Finally preheated Jatropha oil (PJO) fueled to the 5.5 kW diesel engine and it operated smoothly with a maximum brake thermal efficiency of 29.15 % as compared to 29.88 and 28.33 % for HSD and CJO, respectively. The brake specific energy consumption of CJO and PJO was found to be only 2.84 and 5.47 % higher than that of HSD, respectively. Efficiency of the heat exchanger was found to be varying between 19 and 26 % with engine load.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Jul 6, 2013

References