Steel and Composite Structures

  • 제5권6호
  • /
  • Pages.421-441
  • /
  • 2005
  • /
  • 1229-9367(pISSN)
  • /
  • 1598-6233(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Numerical predictions of the time-dependent temperature field for the 7th Cardington compartment fire test

  • Lopes, Antonio M.G. (Department of Mechanical Engineering, University of Coimbra) ;
  • Vaz, Gilberto C. (Department of Mechanical Engineering, ISEC, Polytechnic Institute of Coimbra) ;
  • Santiago, Aldina (Department of Civil Engineering, University of Coimbra)
  • 투고 : 2004.12.09
  • 심사 : 2005.05.23
  • 발행 : 2005.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

The present work reports on a numerical simulation of a compartment fire. The fire was modeled using a simplified approach, where combustion is simulated as a volumetric heat release. Computations were performed with the commercial code CFX 5.6. Radiation was modeled with a differential approximation (P1 model), while turbulence effects upon the mean gas flow were dealt with a SST turbulence model. Simulations were carried out using a transient approach, starting at the onset of ignition. Results are provided for the temperature field time evolution, thus allowing a direct comparison with the analytical and experimental data. The high spatial resolution available for the results proved to be of great utility for a more detailed analysis of the thermal impact on the steel structure.

키워드

참고문헌

  1. Bravery, P.N.R. (1993),"Cardington large building test facility - Construction details for the first building". England. Building Research Establishment, Internal paper, Watford.
  2. Cadorin, J.F. and Franssen, J.M. (2003a),"A tool to design steel elements submitted to compartment fires-OZone V2. I. Pre- and post-flashover compartment fire model", Fire Safety Journal, 38(5), 395-427. https://doi.org/10.1016/S0379-7112(03)00014-6
  3. Cadorin, J.F., Pintea, D., Dotreppe, J.C., Franssen, J.M. (2003b),"A tool to design steel elements submitted to compartment fires - OZone V2. II. Methodology and application", Fire Safety Journal, 38(5), 429-451. https://doi.org/10.1016/S0379-7112(03)00015-8
  4. Cadorin, J.F. (2003),"Compartment fire models for structural engineering", These de Doctorat, Faculte des Sciences Appliques, Universite de Liege. CFX-5.6 User's Manual, Ansys Incorporated.
  5. Cox, G. (2001),"The capability of CFD fire simulation models", Proc 9th Int. Fire Protection Symposium, Vereinigung zur Forderung des Deutschen Brandschutzes, Braunschweig, 71-88.
  6. Drysdale, D. (1999), An Introduction to Fire Dynamics, John Wiley & Sons, 2nd edn., New York.
  7. Ewer, J., Galea, E.R., Patel, M.K, Taylor, S. and Knight, M. (1999),"An intelligent CFD based fire model", J. of Fire Protection, 10(1), 13-27. https://doi.org/10.1177/104239159901000102
  8. Harmathy, T.Z. (1978),"Mechanism of burning of fully-developed compartment fires", Combustion and Flame, 31, 265-273. https://doi.org/10.1016/0010-2180(78)90139-6
  9. Hoffmann, N. and Markatos, N.C. (1988),"Thermal radiation effects on fires in enclosures", Appl. Math. Modelling, 12, 129-140. https://doi.org/10.1016/0307-904X(88)90004-2
  10. Hoffmann, N., Galea, E.R. and Markatos, N.C. (1989),"Mathematical modeling of fire sprinkler systems", Appl. Math. Modelling, 13, 298-306. https://doi.org/10.1016/0307-904X(89)90073-5
  11. Launder, B.E. and Spalding, D.B. (1974),"The numerical computation of turbulent flows", Comput. Methods Appl. Mech. Eng., 3, 269-289. https://doi.org/10.1016/0045-7825(74)90029-2
  12. Markatos, N.C, and Cox, G. (1984),"Hydrodynamics and heat transfer in enclosures containing a fire source", PhysicoChemical Hydrodynamics, 5(1), 53-66.
  13. Markatos, N.C, Malin, M.R. and Cox, G. (1982),"Mathematical modelling of buoyancy-induced smoke flow in enclosures", Int. J. of Heat and Mass Transfer, 25(1), 63-75. https://doi.org/10.1016/0017-9310(82)90235-6
  14. McGrattan, K.B, Baum, H.R., Rehm, R.G., Hamins, H. and Forney, G.P. (2000), Fire Dynamics Simulator: Technical Reference Guide, NISTIR 6467. Gaithersburg, MD: National Institute of Standards and Technology.
  15. Menter, F.R. (1993),"Multiscale model for turbulent flows", 24th Fluid Dynamics Conf., American Institute of Aeronautics and Astronautics.
  16. Menter, F.R. (1994),"Two-equation eddy viscosity turbulence models for engineering applications", AIAA Journal, 32(8).
  17. prEN 1991-1-2:2002: European Committee for Standardization (CEN). Eurocode 1: Actions on structures. Part 1.2: General actions - Actions on structures exposed to fire, Final Draft, April 2002, Brussels (2002).
  18. Raithby, G.D. (1991),"Equations of motion for reacting, particle-laden flows", Progress Report, Thermal Science Ltd.
  19. Rubini, P. (2000), SOFIE (Simulations of Fires in Enclosures), School of Mechanical Engineering, Cranfield University, Cranfield, England.
  20. Simoes da Silva, L., Santiago, A., Vila Real, P. and Moore, D. (2005),"Behaviour of steel joints under fire loading", Steel and Composite Structures, 5(6), 485-513. https://doi.org/10.12989/scs.2005.5.6.485
  21. Thomas, P.H. (1971),"Rates of spread of some wind driven fires", J. of Forestry, 44(2), 155-175. https://doi.org/10.1093/forestry/44.2.155
  22. Vila Real, P. (2003), Incendio em Estruturas Metalicas, Portugal, Edicoes Orion.
  23. Wald, F., Simoes da Silva, L., Moore, D., Lennon, T., Chladna, M., Santiago, A., Bene?, M. and Borges, L. (2005), "Experimental behaviour of steel structure under natural fire." New Steel Construction, 13(3), 24-27.
  24. Wald, F., Chladna, M., Moore, D., Santiago, A. and Lennon, T. (2004),"The temperature distribution in a full-scale steel framed building subject to a natural fire", Proc. of the 2nd Int. Conf. of Steel and Composite Structures, Seoul, Korea.
  25. Wang, Y.C. (2002), Steel and Composite Structures - Behaviour and Design for Fire Safety, Spon Press, London.
  26. Wilcox, D.C. (1993),"Turbulence Modeling for CFD", DCW Industries, Inc., La Canada, California, 460 p.

피인용 문헌

  1. Buckling of restrained steel columns due to fire conditions vol.8, pp.2, 2008, https://doi.org/10.12989/scs.2008.8.2.159
  2. Column-loss response of RC beam-column sub-assemblages with different bar-cutoff patterns vol.49, pp.6, 2014, https://doi.org/10.12989/sem.2014.49.6.775
  3. Investigation of Blast Effects on Double-Skinned Composite Steel Tubular Columns vol.6, pp.3, 2015, https://doi.org/10.1260/2041-4196.6.3.403
  4. Simplified Models of Progressive Collapse Response and Progressive Collapse-Resisting Capacity Curve of RC Beam-Column Substructures vol.28, pp.4, 2014, https://doi.org/10.1061/(ASCE)CF.1943-5509.0000492
  5. A new model for transient heat transfer model on external steel elements vol.8, pp.3, 2008, https://doi.org/10.12989/scs.2008.8.3.201
  6. Development of a solid reaction kinetics gypsum dehydration model appropriate for CFD simulation of gypsum plasterboard wall assemblies exposed to fire vol.58, 2013, https://doi.org/10.1016/j.firesaf.2013.01.029
  7. Fire behaviour of gypsum plasterboard wall assemblies: CFD simulation of a full-scale residential building vol.7, 2017, https://doi.org/10.1016/j.csfs.2016.11.001
  8. Simplified Procedure for Progressive Collapse Analysis of Steel Structures vol.255-260, pp.1662-8985, 2011, https://doi.org/10.4028/www.scientific.net/AMR.255-260.482
  9. Progressive Collapse Performance of Steel Beam-to-Column Connections: Critical Review of Experimental Results vol.15, pp.1, 2005, https://doi.org/10.2174/1874836802115010152