Automobile have become a very important part of our modern life style. And it runs on fossil fuel. But the excessive use of fossil fuels will very soon lead to the energy crises so the future of automobile based on fossil fuels has been badly affected by two major problems. That is less availability of fuel and environmental degradation. So it is very important to found some new renewable non-polluting alternative fuels to ensure the proper and safe survival of internal combustion engines. In present study we evaluate the performance of four stroke single cylinder spark ignition engine with ratio of 10%, 20%, 30%, 40% and 60% of methanol and gasoline by volume. Performance parameters (brake thermal efficiency, brake mean effective pressure, TFC and SFC) were determined at various loads on engine with methanol blended gasoline. The comparison was made on performance of conventional SI engine with pure gasoline operation. As a result, brake thermal efficiency and brake mean effective pressure showed improved performance when compared with pure gasoline performances.
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Abstract
