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TECHNICAL PAPERS: Internal Combustion Engines

Experimental Investigation to Study Convective Mixing, Spatial Uniformity, and Cycle-to-Cycle Variation During the Intake Stroke in an IC Engine

[+] Author and Article Information
Woong-Chul Choi

FloCoTec, Inc., Columbus, OH 43212flocotec@cris.com

Yann G. Guezennec

The Ohio State University, Department of Mechanical Engineering, Columbus, OH 43210guezennec.1@osu.edu

J. Eng. Gas Turbines Power 122(3), 493-501 (Oct 21, 1999) (9 pages) doi:10.1115/1.1286626 History: Received June 01, 1999; Revised October 21, 1999
Copyright © 2000 by ASME
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References

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Kent, J. C., Trigui, N., Choi, W.-C., and Guezennec, Y. G., 1994, “Characterization of Intake-Generated Flow Fields in an IC Engine Using 3-D Particle Tracking Velocimetry (3-D PTV),” SAE Paper 940279.
Choi, W.-C., Guezennec, Y. G., and Jung, I., 1996, “Rapid Evaluation of Variable Valve Lift Strategies Using 3-D In-Cylinder Flow Measurements,” SAE Paper 96095.
Trigui, N., Choi, W.-C., and Guezennec, Y. G., 1996, “Cycle-Resolved Turbulence Intensity Measurements in IC Engines,” SAE Paper 962085.
Denlinger, A. R., Guezennec, Y. G., and Choi, W.-C., 1998, “Dynamic Evolution of the 3-D Flow Field During the Latter Part of the Intake Stroke in an IC Engine,” SAE Paper 980485.
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Choi,  W.-C., and Guezennec,  Y. G., 1991, “In Situ Calibration for Wide Angle 3-Dimensional Stereoscopic Image Analysis,” Appl. Opt., 36, pp. 7364–7373.

Figures

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Schematic of experimental setup for three-dimensional PTV and PLIF
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Image processing of PLIF images
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Ensemble averaged velocity field in center tumble plane
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Crank angle evolution of PLIF images during one cycle in center tumble plane
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Crank angle evolution of phase averaged PLIF images in center tumble plane  
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Crank angle evolution of cycle-to-cycle RMS fluctuations of PLIF images in center tumble plane
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Crank angle evolution of area-averaged intensity level and cycle-to-cycle r.m.s. fluctuations

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