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395CC Air Cooled HSDI Engine Development to meet Proposed Bharat Stage -III Emission Norms
Technical Paper
2007-32-0020
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English
Abstract
Increase in automotive exhaust pollution and fuel prices have driven the nations to impose stringent emission norms for automotive engines. This has put enormous pressure on automotive industry to develop efficient and economical engine designs to compete with global market. In this regards at author's premises improvements are made in the 395CC single cylinder Natural Aspirated air cooled HSDI engine to meet proposed Bharat stage III emission norms. Modifications such as valve protrusion in cylinder head, reoriented higher velocity injection cam, with higher aspect ratio combustion bowl and added features in fuel injection system have been incorporated in the upgraded version of engine. Experimental engine optimization was done on engine dynamometer targeting for better power, bsfc and lower smoke which was achieved by optimization Finally emission optimization was done on chassis dynamometer for three wheeler vehicle on Indian driving Cycle (IDC).Engine dynamometer tests and emission tests have been recorded on both series and upgraded version of engine. Observed mass emission has given 27% reduction in HC +NOx, 53 % reduction in CO and 63% reduction in PM with the upgraded version without scarifying engine performance. Also engine was successfully upgraded to meet proposed Bharat Stage-III emission norms with ON- OFF EGR impingement. Analytical study was done for combustion pressure and heat release for predicting and validating the upgraded engine's performance.
Authors
Citation
Kaleemuddin, S., Asangihal, B., Bhattacharya, S., and Rao, G., "395CC Air Cooled HSDI Engine Development to meet Proposed Bharat Stage -III Emission Norms," SAE Technical Paper 2007-32-0020, 2007.Also In
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