Analysis of In-Cylinder Air Motion in a DI Diesel Engine with Four Different Piston Bowl Configuration - A CFD and PIV Comparison

Paper #:
  • 2013-01-2786

Published:
  • 2013-11-27
Citation:
Sagaya Raj, A., Mallikarjuna, J., and Venkitachalam, G., "Analysis of In-Cylinder Air Motion in a DI Diesel Engine with Four Different Piston Bowl Configuration - A CFD and PIV Comparison," SAE Int. J. Engines 6(4):1978-1983, 2013, https://doi.org/10.4271/2013-01-2786.
Pages:
6
Abstract:
Air motion inside the engine cylinder plays a predominant role on combustion and emission processes. An attempt has been made in this investigation to simulate the in-cylinder air motion in a DI diesel engine with four different piston configurations such as dome piston, bowl on dome and pentroof piston and pentroof offset bowl piston. For computational analysis, the commercial general purpose code STAR-CD Es-ice has been used, which works on the method of finite volume. To validate the simulation, qualitative and quantitative comparisons have been done with the PIV results available in the literature. From this study, the best possible piston configuration has been arrived at.
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