Full-field IC engine flow measurement using particle image velocimetry

Mark Reeves; Colin P. Garner; John C. Dent; Neil A. Halliwell

doi:10.1117/1.601025

1 February 1996 Full-field IC engine flow measurement using particle image velocimetry

Mark Reeves, Colin P. Garner, John C. Dent, Neil A. Halliwell

Optical Engineering, Vol. 35, Issue 2, (February 1996). https://doi.org/10.1117/1.601025

Particle image velocimetry (PIV) has been used to study the in-cylinder flow within a single-cylinder optical spark ignition engine. The engine had a standard four-valve pentroof cylinder head geometry, a compression ratio of 10.5:1, and was motored at a crank speed of 1000 rpm. Double exposed PIV images were recorded from a range of vertical and horizontal measurement planes within the engine’s glass cylinder. The images were interrogated using digital autocorrelation to give maps of two-dimensional instantaneous velocity. Successful PIV measurements have also been made under firing conditions in the unburned gas ahead of the flame front, with the engine being skip-fired using a propane/air mixture. The use of PIV for the characterization of realistic in-cylinder flow fields under a variety of inhospitable conditions has therefore been demonstrated. Limitations in the current technique are briefly discussed and methods for overcoming these limitations are described.

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Mark Reeves, Colin P. Garner, John C. Dent, and Neil A. Halliwell "Full-field IC engine flow measurement using particle image velocimetry," Optical Engineering 35(2), (1 February 1996). https://doi.org/10.1117/1.601025

Published: 1 February 1996

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