UG_20090206_Merci

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Presentation of the IWT SBO project on fire safety and explosion safety in car parks.

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UG_20090206_Merci

  1. 1. Fundamental design approaches for improvement of the fire safety in car parks 01/01/2009 – 31/12/2010 Prof. Bart Merci Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  2. 2. SBO-project (IWT) • Project financed by IWT-Vlaanderen • SBO = ‘Strategisch Basisonderzoek’ • Fundamental research -> valorisation (10-year term policy) • Societal valorisation • Total budget: ca. 1.5MEur • 2-year project • 2010: ask for prolongation Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  3. 3. Research partners • Ghent University – UGent: – Dept. of Flow, Heat and Combustion Mechanics: • Prof. dr. ir. Bart Merci (co-ordinator) • Prof. dr. ir. Paul Vandevelde – Dept. of Structural Engineering: • Prof. dr. ir. Luc Taerwe – Sub-contracting: WFRGENT NV: • dr. ir. Bart Sette • KULeuven: – Applied Mechanics and Energy Conversion: • Prof. dr. ir. Eric Van den Bulck • Dr. ir. Filip Van den Schoor • Prof. dr. ir. Filip Verplaetsen Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  4. 4. Research partners • von Karman Institute: – Environmental and Applied Fluid Dynamics Department: • Prof. dr. ir. Jeroen van Beeck • Royal Military Academy: – Civil Engineering and Materials: • Prof. dr. ir. John Vantomme Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  5. 5. Researchers • Ghent University – UGent: 3 researchers • KULeuven: 1 researcher • Von Karman Institute: 1 researcher • Royal Military Academy: 1 researcher Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  6. 6. Scientific-technological objectives • Major objectives: – fundamental research as basis for the development of reliable fire safety design calculation methods and safety guidelines for new car parks and the assessment and improvement of existing car parks; – the onset of a global fire and explosion risk analysis. • The study focuses on the following aspects in car parks: – smoke control in case of fire; – explosion risk; – structural aspects (structural integrity and reliability assessment). Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  7. 7. Scientific-technological objectives • Smoke control objectives: – to develop large scale CFD (Computational Fluid Dynamics) simulation approaches of the fire safety system; – to characterise sprinkler sprays; – to gather experimental and simulation data for the derivation of simplified calculation methods for the design of smoke extraction systems, without sprinklers, for closed and semi-closed car parks. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  8. 8. Scientific-technological objectives • Explosion risk objectives: – to carry out an approximate quantitative risk analysis (QRA) of the explosion risk in closed and semi-closed car parks due to the presence of vehicles fuelled with LPG and hydrogen; – to gather experimental and simulation data for the derivation of simplified calculation methods for the design of gas detection and ventilation systems, for closed and semi-closed car parks. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  9. 9. Scientific-technological objectives • Structural aspects objectives: – to develop advanced mechanical models for the structural behaviour of structural members in the context of car park structures taking into account non-linear behaviour due to indirect actions in the accidental situations of fire and explosion; – to develop a particular analysis of the punching shear problem in case of fire and explosions. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  10. 10. Scientific-technological work packages • Smoke control work packages: – WP1: Determination of design parameters, scenarios and objectives: • identification and quantification of the most critical parameters and scenarios for the safe design of car parks with respect to smoke control, structural reliability and explosion risk; • definition of the design objectives to minimise the fire and explosion risk in car parks and to maximise structural reliability. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  11. 11. Scientific-technological work packages • Smoke control work packages: – WP2: Smoke and heat control: • to acquire experimental data during field experiments and wind tunnel tests that will be used to validate and adapt the physical modelling in the CFD simulations; • to provide data, in the form of analytical relationships between a limited set of parameters, obtained from experiments and a number of CFD simulations; • to characterize the effect of sprinklers. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  12. 12. Scientific-technological work packages • Smoke control work packages: – WP3: Reliable design calculation methods (no sprinklers): • Preparations for the development of reliable, simplified and quick calculation methods, including their limits of applicability. – WP4: Dissemination: • Implementation of findings in standardization committees; • The development of a web site; • The organization of workshops; • Inclusion of findings in course material; • Journal publications (Fireforum). Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  13. 13. Scientific-technological work packages • Explosion risk work packages: – WP1: Determination of design parameters, scenarios and objectives: • identification and quantification of the most critical parameters and scenarios for the safe design of car parks with respect to smoke control, structural reliability and explosion risk; • definition of the design objectives to minimise the fire and explosion risk in car parks and to maximise structural reliability. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  14. 14. Scientific-technological work packages • Explosion risk work packages: – WP2: Explosions: – to acquire experimental data during field experiments and wind tunnel tests that will be used to validate and adapt the physical modelling in the CFD simulations; – to provide data, in the form of analytical relationships between a limited set of parameters, obtained from experiments and a number of CFD simulations; – to experimentally study the ignition of stagnant and flowing flammable mixtures by hot surfaces in order to determine the probability that an accidental fuel release will lead to a vapour cloud explosion; – to approximately quantify the effects of different explosion scenarios. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  15. 15. Scientific-technological work packages • Explosion risk work packages: – WP3: Reliable design calculation methods (no sprinklers): • Preparations for the development of reliable, simplified and quick calculation methods, including their limits of applicability. – WP4: Quantitative risk analysis: • to carry out an approximate quantitative risk analysis on the fire and explosion risk in car parks. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  16. 16. Scientific-technological work packages • Explosion risk work packages: – WP5: Dissemination: • Implementation of findings in standardization committees; • The development of a web site; • The organization of workshops; • Inclusion of findings in course material; • Journal publications (Fireforum). Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  17. 17. Scientific-technological work packages • Structural aspects work packages: – WP1: Determination of design parameters, scenarios and objectives: • identification and quantification of the most critical parameters and scenarios for the safe design of car parks with respect to smoke control, structural reliability and explosion risk; • definition of the design objectives to minimise the fire and explosion risk in car parks and to maximise structural reliability. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  18. 18. Scientific-technological work packages • Structural aspects work packages: – WP2: Structural models: • Parametric analysis of structural members: – A failure and deformation analysis of individual building elements (slab and column) will be developed taking into account the high temperature effects and the combined effect of a fire with blast and gas pressure. This study will comprise only analytical and numerical modelling. – UGent will analyse the consequences of a fire in finite element (FE) software. – The RMA will focus on the combination of loads (fire, blast and gas pressure) and adequate material behaviour laws, which will be analysed by means of a combination of hydrocode and finite element approach. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  19. 19. Scientific-technological work packages • Structural aspects work packages: – WP2: Structural models: • Connections: Study of moment resisting connections between structural elements and analysis of the punching resistance in case of fire and for fire in combination with explosions. – Large scale fire tests on column-slab connections (UGent and WFRGENT NV): identification of the influence of specific reinforcement schemes on the failure mode. – A mechanical model for punching resistance under fire conditions will be developed based on advanced failure mechanisms and on the basis of an original test program: three full scale slab-column connections will be submitted to a fire test at WFRGENT. – An experimental programme with real scale blast tests on selected connection configurations will support this. RMA will develop a practical test configuration. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  20. 20. Scientific-technological work packages • Structural aspects work packages: – WP3: Reliable design calculation methods (no sprinklers): • Preparations for the development of reliable, simplified and quick calculation methods, including their limits of applicability. – WP4: Dissemination: • Implementation of findings in standardization committees; • The development of a web site; • The organization of workshops; • Inclusion of findings in course material; • Journal publications (Fireforum). Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  21. 21. Valorisation objectives and activities • Societal valorisation • Valorisation objectives: – Development of a fundamental basis for improved simplified design calculation methods, to be implemented in several standardization committees; – Construction of a dedicated web site; – Set the basis for instructions for safe intervention of fire brigades and/or emergency services, especially in the presence of gas- fuelled cars; – Incorporate findings in course material for education. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  22. 22. Valorisation objectives and activities • User group: – Plenary group (1 meeting per year) – Working group (3 meetings per year) • Members: – Agoria (Mevr. D. Du Tré): PG; – CEN/TC191/SC1/WG9 (Dhr. J.-Cl. Desmedt): PG; – Assuralia (dhr. Bernard Desmet): PG; – FOD Binnenlandse Zaken (ir. J. De Saedeleer): WG; – BrandweerVereniging Vlaanderen (ir. C. Gryspeert): WG; – Adinex NV (Prof. dr. ir. F. Verplaetsen): WG; – SECO (ing. J.-Ph. Vériter): WG; – Vinçotte (ing. B. Vanbever): WG; Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be
  23. 23. Valorisation objectives and activities • Members (continued): – BodyCote WarringtonFire (ir. C. Deleu): WG; – FireTec (ing. K. Van Herpe): WG; – Brakel Aero (Dhr. K. Demaeght): WG; – Colt International NV (Dhr. Gérard van Oosteren): WG; – Somati NV (ing. Caroline Geuens): WG; – Technum NV (ing. L. Schoonbaert en ing. W. Van de Voorde): WG; – IFSET NV (ir. X. Deckers): WG; – VK Engineering (dr. ir. E. Theuns): WG; – ISIB vzw (ir. E. Van Wesemael): WG; – Promat NV (Dhr. M. Bonheure): WG; – WFRGENT NV (dr. ir. B. Sette): WG. Universiteit Gent - UGent Vakgroep Mechanica van Stroming, Warmte en Verbranding www.FloHeaCom.UGent.be

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