1Sathyabama University, Chennai, Tamilnadu.
2Sathyabama University, Chennai, Tamilnadu.
3Udaya School of Engg. Nagercoil, Tamilnadu.
4Suncollege of Engg.&Tech, Nagercoil, Tamilnadu.
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In order to find out optimum compression ratio experiments were carried out on a single cylinder four stroke variable compression ratio diesel engine. Tests were carried out at compression ratios of 13.2, 13.9, 14.8, 15.7, 16.9, 18.1 and 20.2. Results showed a significant improved performance and emission characteristics at a compression ratio 14.8. The compression ratios lesser than 14.8 and greater than 14.8 showed a drop in break thermal efficiency, rise in fuel consumption along with increased smoke densities.
engine, diesel, compression, ratio, performance, smoke, density