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A Study of Diesel Flame Movement by Using the Cross Correlation Method
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English
Abstract
Flame motion in the middle and late combustion stages of a high-speed direct-injection diesel engine was studied by computerised image-analysis of high-speed photographs. By using a two-dimensional cross-correlation method based on the flame intensity distribution a velocity vector field was obtained, the consistency of which was improved by introducing element rotation into the cross-correlation method. The flow-fields obtained reveal the action of reverse squish and swirl, and these results are discussed in the paper.
Authors
Citation
Winterbone, D., Sun, J., and Yates, D., "A Study of Diesel Flame Movement by Using the Cross Correlation Method," SAE Technical Paper 930979, 1993, https://doi.org/10.4271/930979.Also In
References
- Shioji, M. et al. “An Analysis of Diesel Flame by Picture Processing” JSME Series II 32 3 1989
- Strickland, R.N. Sweeney, D.W. “Optical Flow Computation in Combustion Image Sequences” Applied Optics 27 24 1988
- Rao, K.K. Winterbone, D.E. Clough, E. “Laser Illuminated Photographic Studies of the Spray and Combustion Phenomena in a Small High Speed DI Diesel Engine” SAE international conference Oct. 1992
- Balles, E.N. Heywood, J.B. “Spray and Flame Structure in Diesel Combustion” Journal of Emgineering for Gas Turbines and Power 111 451 July 1989