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The purpose of this study is to experimentally determine the optimal blend rate of ethanol-gasoline fuels in order to maximize brake thermal efficiency of a commercial SI engine. In this study, the engine performance, in term of brake torque and brake specific fuel consumption, has been investigated with variation of volumetric mixing ratio between 87.5-octane gasoline and 99.5%-purity ethanol (E0, E10, E20, E30, E40, and E50). The experiment has been conducted at different engine speeds and percentages of intake-throttle opening. The tests were performed at constant compression ratio. The experimental results indicated that the appropriate ethanol-gasoline mixing ratio can enhance engine torque output, especially at low engine speed. The brakes thermal efficiency is maximum when the engine operates with a speed of 2000-2500 rpm, using E40 and E50 fuels. This paper also provides a guideline for suitable ethanol-gasoline blend rate at certain engine load and speed.
Keywords:
Ethanol; Ethanol-gasoline blends; SI engine; Performance
Cite Article:
"Performance analysis of a Multi-Cylinder Spark Ignition Engine Using Blended Fuels of Ethanol and Petrol", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.7, Issue 7, page no.506 - 538, July-2022, Available :http://www.ijrti.org/papers/IJRTI2207076.pdf
Downloads:
000204894
ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator