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TECHNICAL PAPERS: Internal Combustion Engines

Schlieren Observation of Spark-Ignited Premixed Charge Combustion Phenomena Using a Transparent Collimating Cylinder Engine

[+] Author and Article Information
K. Kozuka, T. Ozasa, T. Fujikawa, A. Saito

Toyota Central R&D Labs, Inc., Nagakute-cho, Aichi-ken 480-1192 Japan

J. Eng. Gas Turbines Power 125(1), 336-343 (Dec 27, 2002) (8 pages) doi:10.1115/1.1496774 History: Received December 01, 2000; Revised February 01, 2002; Online December 27, 2002
Copyright © 2003 by ASME
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References

Figures

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Cross-sectional view of the transparent collimating cylinder (TCC) and the path of light rays incident to the cylinder
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Schematic diagram of the visualization engine
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Representative photograph of the image recording at −11 deg after top dead center (ATDC) in cycle (b)
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Schlieren photographs of the in-cylinder phenomena over two consecutive cycles with the rate of heat release dQ/dθ
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Schlieren photographs of the ignition and initial combustion of two consecutive cycles, (a) and (b)
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Schlieren photograph of the in-cylinder phenomena at −62 deg ATDC during exhaust stroke in cycle (a)
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Direct photographs of combustion with same cylinder head and bottom view engine
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Cross-sectional area ratio of flame to cylinder by photographic analysis versus cross-sectional area ratio of burned gas to cylinder by pressure analysis
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Measured pressure and its analysis
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Effect of inside and outside light rays of TCC on photographic analysis

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