Shigeki Sugiura
Toyota
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Featured researches published by Shigeki Sugiura.
SAE transactions | 1995
Shigeki Sugiura; Koichi Ijuin; Toshio Yamada; Takehisa Yaegashi; Naoki Baba
A multi-dimensional numerical method for predicting the warm-up characteristic of automobile catalytic converter systems was developed to effectively design catalytic converter systems which achieve low tail pipe emissions with satisfactory package ability. The features of the method are: (1) consideration of the governing phenomena such as gas flow, heat transfer, and chemical reactions and (2) capability of predicting warm-up characteristic for not only the catalytic converters but also the system as a whole during emission test modes such as the USA LA-4 mode. The description of the method is presented. The experimental verifications of the method were conducted to assure the accuracy of it. The effect of design parameters such as electrically heated catalyst (EHC), high loading of noble metal and thin honeycomb wall on warm-up characteristic of the catalyst are analyzed in the paper.
Transactions of the Japan Society of Mechanical Engineers. B | 1993
Shigeki Sugiura; Yoshiharu Saito; Toshio Yamada; Koji Morinishi; Nobuyuki Satofuka
The near wall K-e turbulence model of Chien is applied to simulate the flow in the intake port of an automotive engine. In order to investigate the improvement in prediction accuracy due to incorporation of this model, the effects of changes in port curvature on the mass flow rate were computed, and the predictions were compared to our computational results without turbulence model and test results. It is demonstrated that Chiens K-e model has the potential for improving the prediction accuracy of the flow in an intake port.
SAE transactions | 1996
Naoki Baba; Katsuyuki Ohsawa; Shigeki Sugiura
Archive | 1998
Shigeki Sugiura; Takayoshi Nakagawa; Yasuhiro Oi
SAE transactions | 1997
Makoto Nagaoka; Katsuyuki Ohsawa; Brent Crary; Toshio Yamada; Shigeki Sugiura; Nobuo Imatake
SAE transactions | 1994
Takehisa Yaegashi; Kouji Yoshizaki; Tetuo Nagami; Shigeki Sugiura; Tohru Yoshinaga; Katsuyuki Ohsawa
International Fuels & Lubricants Meeting & Exposition | 1999
Takanori Ueda; Takeshi Okumura; Shigeki Sugiura; Shinji Kojima
SAE transactions | 1990
Shigeki Sugiura; Toshio Yamada; Tokuta Inoue; Koji Morinishi; Nobuyuki Satofuka
Jsae Review | 1995
Naoki Baba; Katsuyuki Ohsawa; Shigeki Sugiura
Transactions of the Japan Society of Mechanical Engineers. B | 1997
Makoto Nagaoka; Brent Crary; Katsuyuki Ohsawa; Toshio Yamada; Shigeki Sugiura; Nobuo Imatake