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Variable Compression Ratio (VCR) Engine- a Review of Future Power Plant for Automobile

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Document pages: 8 pages

Abstract: Increasingly stringent emission and fuel economy standards have long remained a source of challenges for research in automobile engine technology development towards the more thermally efficient and less polluting engine. Variable compression ratio (VCR) technology has long been recognized as a method for improving the automobile engine performance, efficiency, fuel economy with reduced emission. The main feature of the VCR engine is to operate at different compression ratio, by changing the combustion chamber volume, depending on the vehicle performance needs. This paper takes review of all the geometric approaches and solutions used to achieve VCR with its unique features, considers the results of prior research and its corresponding commercial barriers.

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