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Abstract

Three optical systems comprising conventional and laser light sources combined with CCD and high-speed cameras were used to visualise the fuel spray development and combustion in a four-cylinder 1.9L direct-injection diesel engine. This was achieved by means of a quartz window in the bowl-base of the elongated piston in one of the cylinders. The advantages and disadvantages of the various optical set-ups are compared and discussed. The information obtained relating to spray tip penetration, spray-to-spray variations and cycle-to-cycle spray/combustion variations is analysed in view of the implications for the injection system and the design of the combustion chamber.

Additional information

Authors: ARCOUMANIS C, Imperial College of Science, Technology and Medicine, Department of Mechanical Engineering, London (GB);HU Z, Imperial College of Science, Technology and Medicine, Department of Mechanical Engineering, London (GB);NAGWANEY A, Imperial College of Science, Technology and Medicine, Department of Mechanical Engineering, London (GB)
Bibliographic Reference: Paper presented: Measurement and Observation Analysis of Combustion in Engines, London (GB), March 22, 1994
Availability: Available from (1) as Paper EN 38137 ORA
Record Number: 199410376 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en
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