- 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