Behavior of Shock Wave and Pressure Wave of SI Knocking with Super Rapid Compression Machine

Paper #:
  • 2011-01-1875

Published:
  • 2011-08-30
Citation:
Katsumata, M., Morikawa, K., and Tanabe, M., "Behavior of Shock Wave and Pressure Wave of SI Knocking with Super Rapid Compression Machine," SAE Technical Paper 2011-01-1875, 2011, https://doi.org/10.4271/2011-01-1875.
Pages:
11
Abstract:
Behaviors of shock waves in knocking phenomena were observed in detail and influences of low temperature reaction on the flame and spontaneous ignition of end gas were investigated through experiments using high-speed direct and schlieren photography. As a result, it was found that light emission of shock waves, that is an indicator of pressure, rose when the shock waves collided with the cylinder wall and that pressure waves arose by low temperature reaction before knocking occurrence. Flame oscillation was caused by pressure waves. It is presumed that pressure waves influence spontaneous ignition.
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