Numerical Simulation of Flow Around Train : 1st Report, Comparison with Experiment
It was determined that the vibration amplitude of the tail car is greater, especially in a tunnel, than that of the other cars in a high-speed train, on which aerodynamic force exerts various effects. However, few aerodynamical studies have been conducted and little knowledge has been obtained. To c...
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| Published in | Transactions of the Japan Society of Mechanical Engineers Series B Vol. 62; no. 594; pp. 572 - 578 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
The Japan Society of Mechanical Engineers
25.02.1996
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0387-5016 1884-8346 |
| DOI | 10.1299/kikaib.62.572 |
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| Abstract | It was determined that the vibration amplitude of the tail car is greater, especially in a tunnel, than that of the other cars in a high-speed train, on which aerodynamic force exerts various effects. However, few aerodynamical studies have been conducted and little knowledge has been obtained. To clarify the aerodynamical effects on the train, we carried out a three-dimensional unsteady Navier-Stokes simulation. In order to verify the simulation results, a wind-tunnel experiment was performed. The pressure distributions were compared between numerical and experimental results and running test data available. Surface flow patterns were also compared between numerical and expermental results. These showed good agreement, verifying the simulation results. |
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| AbstractList | It was determined that the vibration amplitude of the tail car is greater, especially in a tunnel, than that of the other cars in a high-speed train, on which aerodynamic force exerts various effects. However, few aerodynamical studies have been conducted and little knowledge has been obtained. To clarify the aerodynamical effects on the train, we carried out a three-dimensional unsteady Navier-Stokes simulation. In order to verify the simulation results, a wind-tunnel experiment was performed. The pressure distributions were compared between numerical and experimental results and running test data available. Surface flow patterns were also compared between numerical and expermental results. These showed good agreement, verifying the simulation results. |
| Author | ARAI, Norio SUZUKI, Masahiro MAEDA, Tatsuo |
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| DOI | 10.1299/kikaib.62.572 |
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| References | (8) Flecher, C. A. J., Computational Techniques for Fluid Dynamics, 1 (1988), 300, Springer-Verlag. (5) Harlow, F. H.and Welch, J. E., Phys. Fluids, 8 (1965), 2182. (9) 白山晋,三次元流れの剥離構造の数値的研究,東京大学博士論文,(1987). (12) 井門敦志•ほか2名,鉄道総研報告,9-1(1995),37. (13) Roache, P. J., AIAA Paper, 89-1669 (1989). (7) Thompson, J. F.,ほか2名,Numerical Grid Generation, (1985), 95, North-Holland. (4) 小濱泰昭,可視化情報,13-51(1993),32. (1) 日本機械学会編,鉄道車両のダイナミックス,(1994),37,電気車研究会. (16) 巽友正編,乱流現象の科学,(1986),403,東京大学出版会. (10) 谷口伸行•ほか3名,生産研究,45-1(1993),48. (14) 鉄道総合技術研究所,RRR,50-7(1993),20. (6) Kawamura, T.,ほか2名,Fluid. Dyn. Res., 1 (1986), 145. (11) 奥出宗重•ほか2名,航空宇宙技術研究所特別資料,SP-18 (1992),29. (3) 藤本裕•ほか2名,鉄道総研報告,9-1(1995),19. (2) 高井秀之,鉄道総研報告,3-4(1989),13. (15) Shimbo, Y. and Hosaka, S., Proceedings of The International Conference Speedup Technology for Railway and Maglev Vehicles, (1993), 341. |
| References_xml | – reference: (12) 井門敦志•ほか2名,鉄道総研報告,9-1(1995),37. – reference: (11) 奥出宗重•ほか2名,航空宇宙技術研究所特別資料,SP-18 (1992),29. – reference: (6) Kawamura, T.,ほか2名,Fluid. Dyn. Res., 1 (1986), 145. – reference: (10) 谷口伸行•ほか3名,生産研究,45-1(1993),48. – reference: (15) Shimbo, Y. and Hosaka, S., Proceedings of The International Conference Speedup Technology for Railway and Maglev Vehicles, (1993), 341. – reference: (9) 白山晋,三次元流れの剥離構造の数値的研究,東京大学博士論文,(1987). – reference: (8) Flecher, C. A. J., Computational Techniques for Fluid Dynamics, 1 (1988), 300, Springer-Verlag. – reference: (14) 鉄道総合技術研究所,RRR,50-7(1993),20. – reference: (13) Roache, P. J., AIAA Paper, 89-1669 (1989). – reference: (1) 日本機械学会編,鉄道車両のダイナミックス,(1994),37,電気車研究会. – reference: (5) Harlow, F. H.and Welch, J. E., Phys. Fluids, 8 (1965), 2182. – reference: (7) Thompson, J. F.,ほか2名,Numerical Grid Generation, (1985), 95, North-Holland. – reference: (4) 小濱泰昭,可視化情報,13-51(1993),32. – reference: (16) 巽友正編,乱流現象の科学,(1986),403,東京大学出版会. – reference: (2) 高井秀之,鉄道総研報告,3-4(1989),13. – reference: (3) 藤本裕•ほか2名,鉄道総研報告,9-1(1995),19. |
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| Snippet | It was determined that the vibration amplitude of the tail car is greater, especially in a tunnel, than that of the other cars in a high-speed train, on which... |
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| SubjectTerms | Flow-Induced Vibration |
| Title | Numerical Simulation of Flow Around Train : 1st Report, Comparison with Experiment |
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