Physical simulation of a single-celled tornado-like vortex, Part A: Flow field characterization

Journal of Wind Engineering and Industrial Aerodynamics

Volumn 96, Issue 8-9, 2008, Pages 1243-1257

  Mishra, Amit R ^a   James, Darryl L ^a   Letchford, Chris W ^b  

^a Texas Tech University   (United States)

^b UNIVERSITY OF TASMANIA   (Australia)

Author keywords

Modified combined Rankine vortex; Physical tornado simulation; Swirl ratio; Tornado like vortex

Indexed keywords

AERODYNAMICS; COMPUTER SIMULATION; FLOW FIELDS; FLOW VELOCITY; SWIRLING FLOW; VELOCITY MEASUREMENT; VORTEX FLOW;

MODIFIED COMBINED RANKINE VORTEX; PHYSICAL TORNADO SIMULATION; SWIRL RATIO; TORNADO-LIKE VORTEX FLOWS;

TORNADOES;

AERODYNAMICS; COMPUTER SIMULATION; FLOW FIELDS; FLOW VELOCITY; SWIRLING FLOW; TORNADOES; VELOCITY MEASUREMENT; VORTEX FLOW;

EID: 44649113889     PISSN: 01676105     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jweia.2008.02.063     Document Type: Article

References (28)

1. Bienkiewicz, B., Dudhia, P., 1993. Physical modeling of tornado-like flow and tornado effects on building loading. In: Proceedings of the Seventh US National Conference on Wind Engineering, vol. 1, pp. 95-104.
2. Brown, R., Wood, V., 2004. Comparisons of doppler velocity tornadic vortex signatures with signatures from model vortices. In: Proceeding of the 22nd Conference on Severe Local Storms, Hyannis, MA.
3. Chang, C.C., 1971. Tornado wind effects on buildings and structures with laboratory simulation. In: Committee, J.O. (Ed.), Proceedings of the Third International Conference on Wind Effects on Buildings and Structures, pp. 231-240.
4. Church C.R., Snow J.T., and Agee E.M. Tornado vortex simulation at purdue. Bull. Am. Meteorol. Soc. 58 (1977) 900-908
5. Cleland J.D. Laboratory measurements of velocity profiles in simulated tornado-like vortices. J. Undergrad. Res. Phys. 18 (2001) 51-57
6. Davies-Jones R. The dependence of core radius on swirl ratio in a tornado simulator. J. Atmos. Sci. 30 (1973) 1427-1429
7. Davies-Jones R. Laboratory simulation of tornadoes. In: Peterson R. (Ed). Proceedings of the Symposium on Tornadoes, Assessment of Knowledge and Implications for Man (1976), Texas Tech University 151-174
8. Fouts, J., 2003. Flow visualization and fuid-structure interaction of tornado-like vortices. Master's Thesis, Mechanical Engineering Department, Texas Tech University.
9. Fouts, L., James, D.L., Letchford, C.W., 2003. Pressure distribution on a cubical model in tornado-like flow. In: Proceedings of the 2003 International Wind Engineering Conference, Lubbock, TX, USA.
10. Hoecker W.H. Wind speeds and air flow patterns in the Dallas Tornado of April 2, 1957. Mon. Weather Rev. 88 5 (1960)
11. Howells, P., Smith, R.K., 1983. Numerical simulations of tornado-like vortices, part 1: vortex evolution. Geophys. Astrophys. Fluid Dyn. 253-284.
12. Jischke M.C., and Parang M. Properties of simulated tornado-like vortices. J. Atmos. Sci. 31 (1974) 506-512
13. Lee, J., Samaras, T., 2004. Pressure measurements at the ground in an F-4 tornado. In: Proceedings of the 22nd Conference on Severe Local Storms, Hyannis, MA.
14. Lewellen, D.C., Lewellen, W.S., 1996. Large eddy simulations of a tornado's interaction with the surface. In: Proceedings of the 18th Conference on Severe Local Storms, San Franciso, CA, pp. 392-395.
15. Lund D.E., and Snow J.T. Laser doppler velocimetry measurements in tornado like vortices. In: Church C., Burgess D., Doswell C., and Davies-Jones R. (Eds). The Tornado: its Structure, Dynamics, Prediction, and Hazards. Geophysical Monograph Series vol. 79 (1993), American Geophysics Union Press 297-306
16. Mishra, A.R., James, D.L., Letchford, C.W., 2005, Comparison of pressure distribution on a cubical model in boundary layer and tornado-like flow fields. In: Proceedings of the 10th American Conference on Wind Engineering, Baton Rouge, LA.
17. Mishra, A.R., James, D.L., Letchford, C.W., 2008. Physical simulation of a single-celled tornado-like vortex, part B: wind loading on a cubical model. J. Wind Eng. Ind. Aerodyn., this issue.
18. Monji N. A laboratory investigation of the structure of multiple vortices. J. Meteorol. Soc. Jpn. 63 (1985) 703-713
19. Nolan D.S., and Farrell B.F. The structure and dynamics of tornado-like vortices. J. Atmos. Sci. 56 (1999) 2908-2936
20. Rothfusz L.P. A mesocyclone and tornado-like vortex generated by the tilting of horizontal vorticity: preliminary results of a laboratory simulation. J. Atmos. Sci. 43 (1986) 2677-2682
21. Rotunno R. A study in tornado-like vortex dynamics. J. Atmos. Sci. 36 (1979) 140-155
22. Sarkar, P.P., Haan Jr., F.L., Gallus Jr., W.A., Le, K., Kardell, R., Wurman, J., 2005. A laboratory tornado simulator: Comparison of laboratory, numerical and full-scale measurements. In: Proceedings of the 10th American Conference on Wind Engineering, Baton Rouge, LA.
23. Wan C.A., and Chang C.C. Measurement of the velocity field in a simulated tornado-like vortex using a three-dimensional velocity probe. J. Atmos. Sci. 29 (1972) 116-127
24. Wang, H., 2002. Fluid-structure interaction of a tornado-like vortex with low-rise structures. Master's Thesis, Mechanical Engineering, Texas Tech University.
25. Wang, H., James, D.L., Letchford, C., Peterson, R., Snow, J., 2001. Development of a prototype tornado simulator for the assessment of fluid-structure interaction. In: Proceedings of the American Conference on Wind Engineering, Clemson, SC.
26. Ward N.B. The exploration of certain features of tornado dynamics using a laboratory model. J. Atmos. Sci. 29 (1972) 1194-1204
27. Wurman J. Effects of radar sampling on single-doppler velocity signatures of mesocyclones and tornadoes. Weather Forecast. 12 (2002) 928-938
28. Wurman J., and Gill S. Finescale radar observations of the dimmit, Texas (2 June 1995) tornado. Mon. Weather Rev. 128 (2000) 2135-2164