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TECHNICAL PAPERS—SPECIAL ICE SECTION: In-Cylinder Processes

Relationship Between Visible Spray Observations and DI Diesel Engine Performance

[+] Author and Article Information
Takashi Watanabe, Susumu Daidoji

Kurume Institute of Technology, Kurume 830-0052, Japan

Keshav S. Varde

University of Michigan-Dearborn, School of Engineering, Dearborn, MI 48128-1491

J. Eng. Gas Turbines Power 122(4), 596-602 (Apr 17, 2000) (7 pages) doi:10.1115/1.1288705 History: Received March 08, 2000; Revised April 17, 2000
Copyright © 2000 by ASME
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References

Bardslay, M. E. A., Felton, P. G., and Bracco, F. V., 1988, “2-D Visualization of Liquid and Vapor in an I. C. Engine,” SAE Paper 880521.
Nagaoka,  M., and Osawa,  K., 1990, “Numerical Analysis of In-Cylinder Flow and Spray Motion in New DI Diesel Combustion Chamber,” Trans. Jpn. Soc. Mech. Eng., 44, pp. 3–8.
Kahira, R., Mikami, Y., and Kinbara, M., 1983, “The Advantages of the Isuzu Square Combustion Chamber for DI Engine,” SAE Paper 830372.
Watanabe,  T., 1991, “Visual Study of Influence of Combustion Chamber Configurations on Fuel-Air Mixing Process in DI Engine,” SAE Trans., 99, Sec 3, pp. 1826–1835.
Watanabe,  T., and Daidoji,  S., 1993, “A Few Experimental Considerations on the Spray Behavior for the Open Combustion Chamber of Square Type by the Liquid-Liquid Injection Technique,” Proc. JSME, 930-9, pp. 734–736.

Figures

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Effect of geometric factor on emulsified spray patterns (deflecting angle=30 deg,t=time from the start of injection)
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Effects of geometric factor on optical transmissivity
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Definition of geometric factor r/R
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Schematic diagram of liquid injection system
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Optional transmissivity measurement system
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Engine performance at 900 rpm with S-2 chamber
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Characterization of spray profile for various angles (time from the start of injection: 10 ms)
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Dish (F-Type) and Square (S-Type) combustion chambers
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Effects of geometric factor on engine performance (square combustion chamber, 900 rpm, Pme=0.6 Mpa)

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