CFD simulations of the flow field of a laboratory-simulated tornado for parameter sensitivity studies and comparison with field measurements

Wind and Structures, An International Journal

Volumn 11, Issue 2, 2008, Pages 75-96

  Kuai, Le ^a,b   Haan Jr , Fred L ^a,b   Gallus Jr , William A ^a,b   Sarkar, Partha P ^a,b  

^a IOWA STATE UNIVERSITY   (United States)

^b Dept of Geological and Atmospheric Sciences ^*

Author keywords

CFD simulation; Doppler radar observation; Laboratory tornado simulator; Near ground flow; Tornado wind field; Tornado like vortex

Indexed keywords

DOPPLER RADAR; FLOW FIELDS; LABORATORIES; RADAR; RADAR MEASUREMENT; SIMULATORS; SURFACE ROUGHNESS; TORNADOES; VORTEX FLOW; WIND;

CFD SIMULATIONS; DOPPLER RADAR OBSERVATION; LABORATORY TORNADO SIMULATOR; NEAR-GROUND FLOW; TORNADO WIND FIELD; TORNADO-LIKE VORTEX;

COMPUTATIONAL FLUID DYNAMICS;

EID: 46749113000     PISSN: 12266116     EISSN: None     Source Type: Journal    
DOI: 10.12989/was.2008.11.2.075     Document Type: Article

References (32)

1. Alexander, R.C. and Wurman, J.M. (2005), "The 30 May 1998 Spencer, South Dakota, storm. Part I: the structural evolution and environment of the tornadoes", Mon. Weather Rev., AMS, 133, 72-96.
2. Bluestein, B.H. and Pazmany, L.A. (2000), "Observations of tornadoes and other convective phenomena with a mobile 3-mm wavelength Doppler radar: The spring 1999 field experiment", Bull. American Meteorological Society, 81, 2939-2951.
3. Church, C.R., Snow, J.T., Baker, G.L. and Agee, E.M. (1979), "Characteristics of tornado-like vortices as a function of swirl ratio: A laboratory investigation", J. Atmos. Sci., 36, 1755-1776.
4. Davies-Jones, P.R. (1973), "The dependence of core radius on swirl ratio in a tornado simulator", J. Atmos. Sci., 30, 1427-1430.
5. Dessens, J. (1972), "Influence of ground roughness on tornadoes: A laboratory simulation", J. Appl. Meteorol., 11, 72-75.
6. Diamond, C.J. and Wilkins, M.E. (1984), "Translation effects on simulated tornadoes", J. Atmos. Sci., 41(17), 2574-2580.
7. th Conf. Severe Local Storms, Minneapolis, MN, American Meteorological Society, 85-88.
8. Dowell, D.C., Alexander, CR., Wurman, J.M. and Wicker, J.L. (2005), "Centrifuging of hydrometeor and debris in tornadoes: radar-reflectivity patterns and wind-measurement errors", Mon. Weather Rev., AMS, 133, 1501-1524.
9. Fluent, Inc. (2005), FLUENT 6.2 User's Guide, Lebanon, NH.
10. nd Conf. Severe Local Storms, Hyannis, MA, American Meteorological Society.
11. th AMS Annual Meeting, Atlanta, GA, American Meteorological Society.
12. Haan, F.L., Sarkar, P.P. and Gallus, W.A. (2008), "Design, construction and performance of a large tornado simulator for wind engineering applications", Eng. Struct., 30, 1146-1159.
13. nd Conf. Severe Local Storms, Hyannis, MA, American Meteorological Society, CDROM, J1.2.
14. Jischke, M.C. and Light B.D. (1983), "Laboratory simulation of tornadic wind loads on a rectangular model structure", Proceedings of the Sixth International Conf. on Wind Engineering, Australia and New Zealand.
15. Kondo, J. and Yamazawa, H. (1986), "Aerodynamic aerodynamic roughness over an inhomogeneous ground surface", Bound-Lay. Meteorol., 35, 331-348.
16. Lettau, H. (1969), "Note on aerodynamic roughness-parameter estimation on the basis of roughness-element description", J. Appl. Meteorology, 8, 828-832.
17. Leslie, W.F. (1977), "Surface roughness effects on suction vortex formation", J. Atmos. Sci., 34, 1022-1027.
18. Lewellen, D.C. and Lewellen, W.S. (1997), "Large eddy simulations of a tornado's interaction with the surface", J. Atmos. Sci., 54(5), 581-605.
19. Lewellen, WS., Lewellen, D.C., Xia, J. (1999), "The influence of a local swirl ratio on tornado intensification near the surface", J. Atmos. Sci., 57, 527-544.
20. Lewellen, D.C. and Lewellen, W.S. (2007a), "Near-surface intensification of tornado vortices", J. Atmos. Sci., 64(7), 2176-2194.
21. Lewellen, D.C. and Lewellen, W.S. (2007b), "Near-surface vortex intensification through corner flow collapse", J. Atmos. Sci., 64(7), 2195-2209.
22. Stull, R.B. (1988), An Introduction to Boundary Layer Meteorology, Kluwer Academic Publishers.
23. th Conf. Severe Local Storms, Tulsa, Oklahoma, American Meteorological Society, 323-326.
24. Simiu, E. and Scanlan, R. H. (1996), Wind Effects on Structures: Fundamentals and Applications to Design, 3rd edition. John Wiley and Sons, New York.
25. Selvam, R.P. and Millett, P.C. (2003), "Computer modeling of the tornado-structure interaction: investigation of structural loading on cubic building", Wind Struct., 6(3), 209-220.
26. th Americas Conference on Wind Engineering, Baton Rouge, US, American Association for Wind Engineering.
27. Ward, N.B. (1972), "The exploration of certain features of tornado dynamics using a laboratory model", J. Atmos. Sci., 29, 1194-1204.
28. Wilhelmson, R.B. and Wicker, L.J. (2001), "Numerical modeling of severe local storms", Severe Convective Storms, Meteor. Monogr., American Meteorological Society, 28(50), 123-166.
29. Wilkins, M.E., Sasaki, Y., Johnson, H.L. (1975), "Surface friction effects on thermal convection in a rotating fluid: A laboratory simulation", Mon. Weather Rev., AMS, 103, 305-317.
30. Wurman, J. and Gill, S. (2000), "Finescale radar observations of the Dimmitt, Texas (2 June 1995) tornado", Mon. Weather Rev., AMS, 128, 2135-2164.
31. Wurman, J.M. (2002), "The multiple vortex structure of a tornado", Weather Forecas., 17, 473-505.
32. Wurman, J.M. and Alexander, C.R. (2005), "The 30 May 1998 Spencer, South Dakota, storm. Part II: comparison of observed damage and radar-derived winds in the tornadoes", Mon. Weather Rev., AMS, 133, 97-119.