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Title: | Tumble flows in gasoline direct injection engine- a study using particle image |
Authors: | Murali, Krishna. B Mallikarjuna, J. M. |
Keywords: | Iri-cylindeT motion Tumble Pentroof piston Velocity field PIV Internal combustion engines Internal combustion engines -- Testing Gas flow |
Issue Date: | 11-Oct-2009 |
Publisher: | Universiti Malaysia Perlis |
Citation: | p.13G 1 - 13G 6 |
Series/Report no.: | Proceedings of International Conference on Applications and Design in Mechanical Engineering 2009 (iCADME 2009) |
Abstract: | This paper deals with the experimental investigations of the in-cylinder tumble flows in a motored single-cylinder internal combustion engine using flat and pentroof pistons at an engine speed of 1000 rev/min., during suction and compression strokes using particle image velocimetry. The two-dimensional in-cylinder tumble flow measurements and analysis are carried out in the combustion space on a vertical plane passing through the cylinder axis. To analyze the flow structure, ensemble average velocity vectors are used. Ts characterize the thumble flow, tumble ratio and average turbulent kinetic energy are made use of. At the end of compression stroke. pentroof piston showed an improvement in tumble ratio and average turbulent kinetic energy by about 41°'n and 103% compared to fla- piston. From the results, it is suggesting that the tumble flow enhancement is possible with pentroof piston. |
Description: | Organized by School of Mechatronic Engineering (UniMAP) & co-organized by The Institution of Engineering Malaysia (IEM), 11th - 13th October 2009 at Batu Feringhi, Penang, Malaysia. |
URI: | http://dspace.unimap.edu.my/123456789/7256 |
ISBN: | 978-967-5415-07-4 |
Appears in Collections: | Conference Papers |
Files in This Item:
File | Description | Size | Format | |
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Tumble flows in gasoline direct injection engine.pdf | Access is limited to UniMAP community. | 1.42 MB | Adobe PDF | View/Open |
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