Design and experimental investigations on six-stroke SI engine using acetylene with water injection

Design and experimental investigations on six-stroke SI engine using acetylene with water injection In the present study, a four-stroke cycle gasoline engine is redesigned and converted into a six-stroke cycle engine and exper- imental study has been conducted using gasoline and acetylene as fuel with water injection at the end of the recompression stroke. Acetylene has been used as an alternative fuel along with gasoline and performance of the six-stroke spark ignition (SI) engine with these two fuels has been studied separately and compared. Brake power and thermal efficiency are found to be 5.18 and 1.55% higher with acetylene as compared to gasoline in the six-stroke engine. However, thermal efficiency is found to be 45% higher with acetylene in the six-stroke engine as compared to four-stroke SI engine. The CO and HC emissions were found to be reduced by 13.33 and 0.67% respectively with acetylene as compared to gasoline due to better combustion of acetylene. The NO emission was reduced by 5.65% with acetylene due to lower peak temperature by water injection. The experimental results showed better engine performance and emissions with acetylene as fuel in the six-stroke engine. . . . . Keywords Acetylene fuel Six-stroke engine Exhaust heat recovery Water injection Engine performance Abbreviations LPG Liquefied petroleum gas SI Spark http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Environmental Science and Pollution Research Springer Journals

Design and experimental investigations on six-stroke SI engine using acetylene with water injection

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Environment; Environment, general; Environmental Chemistry; Ecotoxicology; Environmental Health; Atmospheric Protection/Air Quality Control/Air Pollution; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution
ISSN
0944-1344
eISSN
1614-7499
D.O.I.
10.1007/s11356-018-2407-2
Publisher site
See Article on Publisher Site

Abstract

In the present study, a four-stroke cycle gasoline engine is redesigned and converted into a six-stroke cycle engine and exper- imental study has been conducted using gasoline and acetylene as fuel with water injection at the end of the recompression stroke. Acetylene has been used as an alternative fuel along with gasoline and performance of the six-stroke spark ignition (SI) engine with these two fuels has been studied separately and compared. Brake power and thermal efficiency are found to be 5.18 and 1.55% higher with acetylene as compared to gasoline in the six-stroke engine. However, thermal efficiency is found to be 45% higher with acetylene in the six-stroke engine as compared to four-stroke SI engine. The CO and HC emissions were found to be reduced by 13.33 and 0.67% respectively with acetylene as compared to gasoline due to better combustion of acetylene. The NO emission was reduced by 5.65% with acetylene due to lower peak temperature by water injection. The experimental results showed better engine performance and emissions with acetylene as fuel in the six-stroke engine. . . . . Keywords Acetylene fuel Six-stroke engine Exhaust heat recovery Water injection Engine performance Abbreviations LPG Liquefied petroleum gas SI Spark

Journal

Environmental Science and Pollution ResearchSpringer Journals

Published: Jun 2, 2018

References

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