- Author
- Husted, B. P. | Holmstedt, G.
- Title
- Influence of Draft Curtains on Sprinkler Activation: Comparison of Three Different Models.
- Coporate
- Danish Institute of Fire and Security Technology Jernholmen, 2650 Hvidovre, Denmark Lund Univ., Sweden
- Journal
- Journal of Fire Protection Engineering, Vol. 18, No. 1, 29-54, February 2008
- Keywords
- draft curtains | sprinkler activation | ceiling jets | sprinklers | fire safety | safety engineering | computational fluid dynamics | zone models | scenarios | heat release rate | equations | geometry | ceilings | heat transfer | thickness
- Identifiers
- Fire Dynamics Simulator (FDS); CFX 4.4 and fire dynamics simulator (FDS) 4.07; zone model (Argos); Large-Eddy Simulation (LES); models used in the simulations with Alpert's formula, CFX and FDS; coordinates of sprinklers placed under the raised ceiling; influence of heat transfer to the ceiling on activation time; ceiling jet profile for CFX results; ceiling jet profile for FDS results and influence of velocity boundary conditions; thickness of ceiling jet; vertical position of sprinklers for CFX and FDS; effect of draft curtain on sprinkler activation time; reduction in average activation time by using a draft curtain; influence of draft curtain on heat release rate (HRR) at average sprinkler activation time