Abstract

A semi-quantitative distribution visualization method was developed to locate the distributions of liquid and evaporated test fuel below a diesel injector simultaneously. The technique uses sheet illumination from an excimer laser and picture acquisition with color slide films in miniature cameras. The single shot pictures obtained in the experiment are post-processed by an image processing system yielding the two-dimensional fuel distribution for liquid and vapor simultaneously. The method is compared to similar techniques engaging simultaneous but geometrically separated picture acquisition with black & white films.

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