Aerodynamic noise reduction using porous materials and their application to high-speed pantographs

Quarterly Report of RTRI (Railway Technical Research Institute) (Japan)

Volumn 50, Issue 1, 2009, Pages 26-31

  Sueki, Takeshi ^a   Ikeda, Mitsuru ^a   Takaishi, Takehisa ^a  

^a RAILWAY TECHNICAL RESEARCH INSTITUTE   (Japan)

Author keywords

Aerodynamic noise; High speed railway; Pantograph; Porous material

Indexed keywords

AERODYNAMIC NOISE; HIGH-SPEED; HIGH-SPEED RAILWAY; WAYSIDE NOISE; WIND TUNNEL TESTS;

ACOUSTIC NOISE MEASUREMENT; CYLINDERS (SHAPES); ELECTRIC CURRENT COLLECTION; PANTOGRAPHS; POROSITY; POROUS MATERIALS; RAILROAD ENGINEERING; RAILROADS; SPEED; TURBULENCE; WIND EFFECTS;

AERODYNAMICS;

EID: 62749203969     PISSN: 00339008     EISSN: 18801765     Source Type: Journal    
DOI: 10.2219/rtriqr.50.26     Document Type: Article

References (8)

1. Moritoh, Y., Zenda, Y, Shimizu, Y and Nagakura, K., "Aerodynamic Noise of Highspeed Railway cars," Proceedings of STECH'93, No. 93 - 1156, 1993.
2. Powell, A., "Theory of vortex sound," Journal of the Acoustical Society of America, Vol. 36, pp. 177 - 195, 1964.
3. Ikeda, M., Suzuki, M. and Yoshida, K., "Study on Optimization of Panhead Shape Possessing Low Noise and Stable Aerodynamic Characteristics," Quarterly Report of RTRI, Vol. 47, No. 2, pp. 72 - 77, 2006.
4. Nishimura, M., Kudo, T. and Nishioka, M., "Aerodynamic Noise Reducing Techniques by Using Pile-fabrics," AIAA paper, 5th AIAA/CEAS Aero acoustics Conference, AIAA 99 - 1847, 1999.
5. Nishioka, T, "Aerodynamic Noise Suppression Using Pile-Fabries,"journal of the Japan Society for Aeronautical and Space Sciences, Vol. 48, No. 554, pp. 175 -179, 2000 (in Japanese).
6. Sueki, T., Takaishi, T, Ikeda, M. and Arai, N., "Application of porous material to reduce aerodynamic sound from bluff bodies," Fluid dynamics research, (to appear).
7. Maeda, T. and Kondo, Y, "RTRI's Large-scale Low-noise Wind Tunnel and Wind Tunnel Tests," Quarterly Report of RTRI, Vol. 42, No. 2, pp. 65 - 70, 2001.
8. Uda, T., Takaishi, T. and Sueki, T., "Reduction of Exterior and Interior Noise using Porous Material," Proceedings of the Autumn Conference of JSAE, No. 125 -07, pp. 17 - 20, 2007 (in Japanese).