著者

高橋 易資

出版者

(社)可視化情報学会

雑誌

可視化情報学会誌 (ISSN:09164731)

巻号頁・発行日

vol.30, no.118, pp.014-014, 2010 (Released:2012-04-14)

参考文献数

4

著者

高橋 易資

出版者

公益社団法人 日本マリンエンジニアリング学会

雑誌

マリンエンジニアリング (ISSN:13461427)

巻号頁・発行日

vol.48, no.5, pp.612-617, 2013-09-01 (Released:2014-09-02)

参考文献数

22

著者

高橋 易資 野村 友和 石間 経章 小保方 富夫

出版者

一般社団法人 日本機械学会

雑誌

日本機械学会論文集 B編 (ISSN:03875016)

巻号頁・発行日

vol.71, no.706, pp.1694-1701, 2005-06-25 (Released:2011-03-03)

参考文献数

17

被引用文献数

2 4

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A computational fluid dynamics (CFD) code with partial cells in Cartesian coordinate (PCC) method has been developed. The merit of this method is that input data preparation time is extremely short because computational mesh data are separated from geometry data. However, a general Cartesian coordinate method has a big subject in calculation accuracy. One of the factors is precision in geometry expression around the complicated shape, and another is a turbulence model near the wall because mesh is independent from the boundary and not fitted with it. Therefore, discretization equations were derived based on Finite Volumetric Method, and a combination of the wall function and a low Reynolds number k-ε turbulence model was proposed here. This paper describes implementation of this method and shows the results compared with experimental data by particle image velocimetry (PIV) at the steady flow in the cylinder of a 4-valves S.I. engine. The comparison results of velocity vector maps show good agreement between CFD and PIV.