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Establishment of an Intake Port Design Support Tool Using CFD

Article of Honda R&D Technical Review Vol.15 No.1

Summary

An intake port design support tool using a CFD (Computational Fluid Dynamics) software based around the PCC (Partial Cells in Cartesian coordinate) computational mesh method was applied during the development of a motorcycle engine. The CFD analyses were performed with a relatively quick turn around time due to the reduced mesh generation time. To ensure the practical use of the tool, the CFD results have been validated using measurement data. Also recommendations for the mesh setup are described as well as details of the post processing improvements which have been implemented. This has confirmed the CFD software as a suitable design support tool.

Reference

(1) Takahashi, Y., Fukuzawa, K., Fujii, I.: Numerical Simulation of Flow in Intake Ports and Cylinder of Multi-Valve S. I. Engine using PCC Method, International Symposium COMODIA, p. 529-534 (1994)
(2) Ichikawa, O., Fujii. K.: Study of boundary conditions on solving flow field around arbitrary shape by using Cartesian grid (in Japanese), The 13th Japan CFD Symposium, F03-3 (1999)
(3) Matsunaga, N., Himeno, R.: An approach of finite difference method for general boundary in orthogonal coordinates (in Japanese), The 13th Japan CFD Symposium, F03-5 (1999)
(4) Ono, K.: Product Design using Cartesian Mesh method (in Japanese), Nagare (Journal of The Japan Society of Fluid Mechanics), 21, p. 16-25 (2002)
(5) Takahashi, Y., Nomura, T., Ishima, T., Obokata, T.: Analysis on Flow Around a Rectangular Cube by the Numerical Simulation of PCC Method with LDA Verification (in Japanese), Transactions of The Japan Society of Mechanical Engineers, 68-666, B, p. 331-337 (2002)
(6) Takahashi, Y., Fujii, I.: Numerical Simulation of Gas Flow in Cylinder with PCC (Partial Cells in Cartesian coordinate) Method (in Japanese), The 12th Internal Combustion Engine Symposium, p. 91-96 (1995)

Author (organization or company)

Yasushi TAKAHASHI(Asaka R&D Center)、Yasuo MURAKAMI(Asaka R&D Center)

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