Flow Simulation with AcuSolve to Improve Railway Vehicles

1,442 views

Published on

Published in: Business, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
1,442
On SlideShare
0
From Embeds
0
Number of Embeds
345
Actions
Shares
0
Downloads
39
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Flow Simulation with AcuSolve to Improve Railway Vehicles

  1. 1. 2011 European HyperWorks Technology Conference 2011 European HyperWorks Technology Conference Flow Simulation With AcuSolve to Improve Railway Vehicles SATO, Tetsuro NIPPON SHARYO, Ltd. TET-SATO@cm.n-sharyo.co.jp8th November, 2011Bonn, Germany
  2. 2. 2011 European HyperWorks Technology Conference Corporate Profile Head office : Nagoya, JAPAN Establishment : September 1896 Paid-in capital : 11,810 million yen Sales : 94,842 million yen ( 896M Euro : FY 2010 ) Tokyo Employees : 1,969 ( Apr. 2010 ) Toyokawa Osaka Nagoya Tokyo Plant Production capacity : Nagoya 600 Commuter cars / year Fig. 18th November, 2011Bonn, Germany
  3. 3. 2011 European HyperWorks Technology Conference Latest domestic trains Series 281DC Tilting System for JR Hokkaido Series 683Series 383 Tilting System Series 313 for JR West Type 50000 Articulated Trainfor JR Central for JR Central for Odakyu Type 3000 for Keisei Series 187DC Tilting System Series 08 Series 9000 Type 7000 for Tokyo Metro for Keio for JR West for Nagoya City Subway AE “Sky access” Series 215 for Keisei for JR East Series 3300 Series 07 Series 2000 Airport Express for Nagoya Railroad for Tokyo Metro for Nagoya Railroad Type 3000 for Odakyu YURIKAMOME Series 7000 New Transit System Type 220 DC Series 8000 Tilting System “LINIMO” HSST-100 Type 3000 Fig. 2 for JR kyushu For JR Shikoku for Aichi Rapid Transit for Yokohama City Subway 8th November, 2011 Bonn, Germany
  4. 4. 2011 European HyperWorks Technology Conference Trains in the world Illinois California Taiwan Indiana U.S.A. Los Angeles Maryland Thailand Taiwan BrazilSingapore Venezuela Indonesia Philippines Fig. 3 Argentina 8th November, 2011 Bonn, Germany
  5. 5. 2011 European HyperWorks Technology Conference Shinkansen (bullet train) 1964 Series 0 210 km/h 1982 Series 200 1997 2000 Type 923 220 Series E2 km/h 275 km/h 1992 Series 300 1986 2004Series 100 270 Series 700T km/h 230 km/h 1997 Series 500 300 km/h 1999 Series 700 285km/h 2007 Series N700 300 km/h Fig. 4 3,202 Shinkansen cars for revenue service 8th November, 2011 Bonn, Germany
  6. 6. 2011 European HyperWorks Technology Conference CFD for railway vehicles Safety Cross-wind load estimation Passing-trains aerodynamics Amenity Productivity Vibration excitation FSW joining process Tunnel entry noise Aeroacoustics HVAC8th November, 2011Bonn, Germany
  7. 7. 2011 European HyperWorks Technology Conference 1. Cross wind load estimation Plan A Plan B Fig. 5 Time-average wind velocity8th November, 2011Bonn, Germany
  8. 8. 2011 European HyperWorks Technology Conference 2. Trains passing by each other A,B Main interest : Intermediate car Criteria : Unsteady load caused by the opposite train Wind velocity at the ground level. Fig. 68th November, 2011Bonn, Germany
  9. 9. 2011 European HyperWorks Technology Conference 3. Full transient passing-by Fig. 7 Main interest : Leading car design, ride comfort Parameters : Leading car design, train velocities Criteria : Aerodynamic forces acting on every car, Maximum/minimum of local pressure and wind velocity8th November, 2011Bonn, Germany
  10. 10. 2011 European HyperWorks Technology Conference 4. Mitigating aerodynamic excitation Main interest : Ride comfort of the trailing car Fig. 8 Unsteady flow over the trailing car8th November, 2011Bonn, Germany
  11. 11. 2011 European HyperWorks Technology Conference Breakdown of vortices Fig. 9 Breakdown of trailing vortices8th November, 2011Bonn, Germany
  12. 12. 2011 European HyperWorks Technology Conference 5. Train shape optimization to minimize the tunnel entry noise Fig. 10 Tunnel entry pressure wave8th November, 2011Bonn, Germany
  13. 13. 2011 European HyperWorks Technology Conference Tunnel entry flow simulation Fig. 11 Moving boundary problem8th November, 2011Bonn, Germany
  14. 14. 2011 European HyperWorks Technology Conference Tunnel entry experiment Fig. 12 Tunnel entry experiment8th November, 2011Bonn, Germany
  15. 15. 2011 European HyperWorks Technology Conference 3D shape optimization using the “specific response” Fig. 13 Tunnel entrance8th November, 2011Bonn, Germany
  16. 16. 2011 European HyperWorks Technology Conference Specific response of the tunnel Fig. 14 Spatially non-uniform response function8th November, 2011Bonn, Germany
  17. 17. 2011 European HyperWorks Technology Conference 3D shape optimization to minimize the tunnel entry noise Fig. 15 Shape optimization8th November, 2011Bonn, Germany
  18. 18. 2011 European HyperWorks Technology Conference 3D shape optimization to minimize the tunnel entry noise Fig. 16 Shape optimization8th November, 2011Bonn, Germany
  19. 19. 2011 European HyperWorks Technology Conference 6. Reduction of the noise from the door frame Fig. 17 Door frame8th November, 2011Bonn, Germany
  20. 20. 2011 European HyperWorks Technology Conference FE model Fig. 18 Aeroacoustics; flow model8th November, 2011Bonn, Germany
  21. 21. 2011 European HyperWorks Technology Conference Horizontal cross section Fig. 19 Aeroacoustics; flow field8th November, 2011Bonn, Germany
  22. 22. 2011 European HyperWorks Technology Conference Intensity of dipole noise source Fig. 20 Pseudo-sound8th November, 2011Bonn, Germany
  23. 23. 2011 European HyperWorks Technology Conference Acoustic analysis Fig. 21 Aeroacoustics; Near sound field8th November, 2011Bonn, Germany
  24. 24. 2011 European HyperWorks Technology Conference Shape improvement Fig. 22 Shape improvement8th November, 2011Bonn, Germany
  25. 25. 2011 European HyperWorks Technology Conference 7. Heating,Ventilating and Air Conditioning system Forced convection, Free convection, Radiation, Unsteady flow with turbulence model, Heat transfer, Heat load, Solar radiation Objective : Inlet and outlet design, suitable for both summer and winter. Fig. 23 Unsteady cabin flow simulation8th November, 2011Bonn, Germany
  26. 26. 2011 European HyperWorks Technology Conference HVAC system Fig. 24 Cooling; Average flow field8th November, 2011Bonn, Germany
  27. 27. 2011 European HyperWorks Technology Conference HVAC system Fig. 25 Heating; Average Flow Field8th November, 2011Bonn, Germany
  28. 28. 2011 European HyperWorks Technology Conference 8. Friction Stir Welding Objective : Optimization of the tool, welding parameters Fig. 26 Self-Reacting Pin Tool8th November, 2011Bonn, Germany
  29. 29. 2011 European HyperWorks Technology Conference Butt welding“Outflow” B.C. “Inflow” B.C. Fig. 27 F.E. mesh & boundary conditions8th November, 2011Bonn, Germany
  30. 30. 2011 European HyperWorks Technology Conference Temperature Fig. 28 Result; U=2500mm/min, 2000rpm8th November, 2011Bonn, Germany
  31. 31. 2011 European HyperWorks Technology Conference Particle Tracing Fig. 29 Result; U=2500mm/min, 2000rpm8th November, 2011Bonn, Germany
  32. 32. 2011 European HyperWorks Technology Conference Conclusions Numerical simulation conducted by acuSolve is useful in getting the ideas for making decision. It helps us improve our railway vehicles.8th November, 2011Bonn, Germany
  33. 33. 2011 European HyperWorks Technology Conference Thank you Danke http://www.n-sharyo.co.jp/ mail: TET-SATO@cm.n-sharyo.co.jp8th November, 2011Bonn, Germany
  34. 34. 2011 European HyperWorks Technology Conference  References Predicting the Wind Noise from the Pantograph Cover of a Train, Intl. J. for Numerical Methods in Fluids, Vol.24, Issue 12 (1997)  Solution of Train Tunnel Entry Flow Using Parallel Computing, Computational Mechanics,Vol.23, No.2(1999)  A Numerical Evaluation of Aerodynamic Noise from a Shallow Cavity on a High-Speed Train Surface, Proc. JSME annual meeting (2000-1)  Numerical Analysis of Aerodynamic Noise Radiation from a High-Speed Train Surface, J. of Sound and Vibration, Vol.23 No.2(2001)  Prediction of the Compression Pressure Wave Generated by a High-Speed Train Entering a Tunnel, Intl. J. of CFD, Vol.19 No.1(2005)  Designing of FSW Parameters with Finite Element Flow Simulation, Proc. 6th Intl. FSW Symp.(2006)  Three-Dimensional Shape Optimization for Reducing the Compression Pressure Wave Generated by a High-Speed Train Tunnel Entry, Proc. 20th Computational Mechanics Conference (2007)  Three-Dimensional Shape Design of a High-Speed Train for Reducing the Compression Pressure Wave Generated by a Tunnel Entry, Proc. 16th JSME Translog conference (2007)  Numerical Simulation of Friction Stir Welding of Lap Joint, Proc. The National Meeting of JWS, No. 83 (2008)  Tool Development by Numerical Simulation, Proc. 8th Intl. FSW Symp.(2010)  Finite Element Analysis of Friction Stir Welding Affected by Heat Conduction through the Welding Jig, Proc. 11th Intl. Aluminium conf. INALCO (2010)8th November, 2011Bonn, Germany

×