On the optimisation of road vehicle leading edge radius in varying levels of freestream turbulence

SAE Technical Papers

Volumn , Issue , 2006, Pages

  Newnham, Phil ^a   Passmore, Martin ^a   Howell, Jeff ^a   Baxendale, Anthony ^b  

^a LOUGHBOROUGH UNIVERSITY   (United Kingdom)

^b MIRA Limited   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMIC DRAG; REYNOLDS NUMBER; TURBULENCE;

AUTOMOTIVE WIND TUNNELS; FLOW PARAMETERS; FREESTREAM TURBULENCE; GOOD CORRELATIONS; LOUGHBOROUGH UNIVERSITY; ROAD VEHICLES; SHAPE PARAMETERS; TURBULENCE INTENSITY;

WIND TUNNELS;

EID: 85072441829     PISSN: 01487191     EISSN: 26883627     Source Type: Journal    
DOI: 10.4271/2006-01-1029     Document Type: Conference Paper

References (16)

1. Characteristics of atmospheric turbulence near the ground. Part II: single point data for strong winds (neutral atmosphere). ESDU 85020.
2. Richards P. J., Hoxey R. P., and Short J. L.,. Spectral models for the neutral atmospheric surface layer. J.Wind Eng.Ind.Aerodyn. Vol. 87, Iss. 2-3, pp. 167-185, 2000
3. Bradshaw P.,. An Introduction to Turbulence and its Measurement. 1971
4. Watkins S., Saunders J. W., and Hoffmann P. H.,. Turbulence experienced by moving vehicles. Part I. Introduction and turbulence intensity. J.Wind Eng.Ind.Aerodyn. Vol. 57, Iss. 1, pp. 1-17, 1995
5. Watkins Simon, and Saunders Jeff,. Review of the wind conditions experienced by a moving vehicle. SAE Paper 981182 pp. 211-218, 1998
6. Bearman P. W., and Morel T.,. Effect of Free Stream Turbulence on the Flow Around Bluff Bodies. Prog. Aerospace Sci. Vol. 20, pp. 97-123, 1983 (Pubitemid 14566110)
7. Watkins S., Saunders J. W., and Hoffmann P. H.,. Comparison of road and wind-tunnel drag reductions for commercial vehicles. J.Wind Eng.Ind.Aerodyn. Vol. 49, Iss. 1-3, pp. 411-420, 1993
8. Wiedemann J.,. Turbulence Manipulation to Increase Effective Reynolds Number in Vehicle Aerodynamics. AIAA Journal Vol. 27, Iss. 6, pp. 763-769, 1989
9. Cogotti A.,. The Evolution of the Testing Environment in the Pininfarina Wind Tunnel: The new Turbulence Generation System. Proceedings of the Fifth International Colloquium on Bluff Body Aerodynamics and Applications, 2003
10. Cogotti A.,. Update on the Pininfarina "Turbulence Generation System" and its effects on the car Aerodynamics and Aeroacoustics. 2004-01-0807. SAE Technical Paper Series 2004
11. Newnham P. S., Passmore M. A., and Baxendale A.,. An experiment to investigate the influence of free stream turbulence on edge radius optimisation. 5th MIRA International Vehicle Aerodynamics Conference 2004
12. Cooper K. R.,. The Effect of Front-Edge Rounding and Rear-Edge Shaping on the Aerodynamic Drag of Bluff Vehicles in Ground Proximity. 850288. SAE Transactions pp. 2.727-2.757, 1986
13. Gad-el-Hak Mohamed, and Corrsin Stanley,. Measurements of the nearly isotropic turbulence behind a uniform jet grid. J. Fluid Mech. Vol. 62, Iss. 1, pp. 115-143, 1974
14. Li Q. S., and Melbourne W. H.,. The effect of large-scale turbulence on pressure fluctuations in separated and reattaching flows. J.Wind Eng.Ind.Aerodyn. Vol. 83, pp. 159-169, 1999 (Pubitemid 30001346)
15. Hucho, W-H., et al., Aerodynamics of Road Vehicles (Fourth Edition). 1998
16. Hoerner S. F.,. Fluid-Dynamic Drag. 1958