NDLI: Multi-Dimensional, Transient Fluid Flow Simulations in the Manifold of a Four-Stroke Single-Cylinder Engine

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Anand, T. N. C. Ravikrishna, R. V.
Copyright Year	2005
Abstract	Multi-dimensional computational fluid dynamics simulations were carried out on the intake manifold and cylinder of a four-stroke single cylinder two-wheeler engine. The complex geometry of the manifold and the engine cylinder, and the motion of the intake valve were taken into consideration. Both air flow and two-phase calculations were done to predict the trajectory of the liquid fuel and identify regions of impingement which could lead to film formation and high emissions at startup. The results show that the present geometry of the manifold is non-optimum as large recirculation zones are present. The two-phase simulations show that fuel transport is significantly affected due to the recirculation under idling conditions and significant impingement occurs. The numerical results obtained could be utilized to improve the flow in the manifold for lowering emissions.
Sponsorship	Internal Combustion Engine Division
Starting Page	475
Ending Page	483
Page Count	9
File Format	PDF
ISBN	0791847365
DOI	10.1115/ICEF2005-1273
e-ISBN	0791837688
Volume Number	ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005)
Conference Proceedings	ASME 2005 Internal Combustion Engine Division Fall Technical Conference
Language	English
Publisher Date	2005-09-11
Publisher Place	Ottawa, Ontario, Canada
Access Restriction	Subscribed
Subject Keyword	Intake manifolds Fluid dynamics Single-cylinder engines Computational fluid dynamics Valves Fuels Flow (dynamics) Engines Transients (dynamics) Emissions Manifolds Geometry Air flow Simulation Trajectories (physics) Engineering simulation Cylinders Engine cylinders
Content Type	Text
Learning Resource Type	Article

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