Performance evaluation of a low heat rejection diesel engine with carbureted ethanol and jatropha oil

Murali Krishna, M. V. S.; Seshagiri Rao, V. V. R.; Murthy, P. V. K.; Reddy, T. K. K.

doi:10.22061/jcarme.2012.29

Document Type : Research Paper

Authors

¹ Department of Mechanical Engineering, Chaitanya Bharathi Institute of Technology, Gandipet, Hyderabad-500 075. India

² Vivekananda Institute of Science and Information Technology, Shadnaga, Mahabubnagar-509216, India

³ Department of Mechanical Engineering, J.N.T.U. College of Engineering, Kukatpally, Hyderabad- 500 085, India

https://doi.org/10.22061/jcarme.2012.29

Abstract

Experiments were conducted to evaluate the performance of a low heat rejection (LHR) diesel engine. Performance parameters and emission levels were determined at various magnitudes of brake mean effective pressure. Combustion characteristics of the engine were measured with TDC (top dead centre) encoder, pressure transducer, console and special pressure-crank angle software package at peak load operation of the engine. Conventional engine (CE) and LHR engine showed improved performance at recommended injection timing of 27^obTDC and recommended injection pressure of 190 bar, when compared with CE with pure diesel operation. Peak brake thermal efficiency increased by 18%, smoke levels decreased by 48% and NOx levels decreased by 38% with LHR engine relatively at its optimum injection timing and maximum induction of ethanol when compared with pure diesel operation of CE at manufacturer’s recommended injection timing.

Graphical Abstract

Keywords

20.1001.1.22287922.2012.1.2.4.2

Main Subjects

Thermodynamics and Cumbustion

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Journal of Computational & Applied Research in Mechanical Engineering (JCARME)

Performance evaluation of a low heat rejection diesel engine with carbureted ethanol and jatropha oil

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Volume 1, Issue 2 - Serial Number 2
June 2012
Pages 99-110

Performance evaluation of a low heat rejection diesel engine with carbureted ethanol and jatropha oil

References

References

Send comment about this article

Volume 1, Issue 2 - Serial Number 2June 2012Pages 99-110

Volume 1, Issue 2 - Serial Number 2
June 2012
Pages 99-110