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.
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ASME 2005 Internal Combustion Engine Division Fall Technical Conference
September 11–14, 2005
Ottawa, Ontario, Canada
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4736-5
PROCEEDINGS PAPER
Multi-Dimensional, Transient Fluid Flow Simulations in the Manifold of a Four-Stroke Single-Cylinder Engine Available to Purchase
T. N. C. Anand,
T. N. C. Anand
Indian Institute of Science, Bangalore, India
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R. V. Ravikrishna
R. V. Ravikrishna
Indian Institute of Science, Bangalore, India
Search for other works by this author on:
T. N. C. Anand
Indian Institute of Science, Bangalore, India
R. V. Ravikrishna
Indian Institute of Science, Bangalore, India
Paper No:
ICEF2005-1273, pp. 475-483; 9 pages
Published Online:
November 11, 2008
Citation
Anand, TNC, & Ravikrishna, RV. "Multi-Dimensional, Transient Fluid Flow Simulations in the Manifold of a Four-Stroke Single-Cylinder Engine." Proceedings of the ASME 2005 Internal Combustion Engine Division Fall Technical Conference. ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005). Ottawa, Ontario, Canada. September 11–14, 2005. pp. 475-483. ASME. https://doi.org/10.1115/ICEF2005-1273
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