Experimental investigation on Preheating of Azadirachta indica biofuel and their performance analysis in a CI engine

This paper deals with evaluation of engine performance using preheated biofuel utilizing the waste heat generated from exhaust gases. The performance characteristics and emission parameters are compared with the trans-esterified biodiesel. It is understood that the preheated biofuel run in the engin...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2020-08, Vol.912 (4), p.42026
Main Authors: Praveena, V, Karthikeyan, S, Ilakkiya, M, Vijay Ganesh, S
Format: Article
Language:English
Subjects:
Biodiesel fuels
Biofuels
Esterification
Exergy
Exhaust gases
Heat loss
Heating
Performance evaluation
Thermodynamic efficiency
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Summary:This paper deals with evaluation of engine performance using preheated biofuel utilizing the waste heat generated from exhaust gases. The performance characteristics and emission parameters are compared with the trans-esterified biodiesel. It is understood that the preheated biofuel run in the engine was capable of producing appreciable brake thermal efficiency as that of biodiesel run CI engine. This effort simultaneously reduced the heat loss to the environment, thereby improving the exergy of the system. The neem biofuel was heated to 70°C and 80°C before injection by the exhaust gases. HC and CO emissions were reduced by 22.3% and 19.01% respectively. NOx emissions suffered an increase of 18.6%. The improvement in BTE was 5.5% compared to non-heated biofuel.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/912/4/042026