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CFD fire simulation of the Swissair Flight 111 in-flight fire – Part II: Fire spread analysis

2006; Cambridge University Press; Volume: 110; Issue: 1107 Linguagem: Inglês

10.1017/s0001924000013178

2059-6464

F. Jia, Mayur K. Patel, Edwin R. Galea, Angus Grandison, J. Ewer,

Wind and Air Flow Studies

Abstract In 1998, Swissair Flight 111 (SR111) developed an in-flight fire shortly after take-off which resulted in the loss of the aircraft, a McDonnell Douglas MD-11, and all passengers and crew. The Transportation Safety Board (TSB) of Canada, Fire and Explosion Group launched a four year investigation into the incident in an attempt to understand the cause and subsequent mechanisms which lead to the rapid spread of the in-flight fire. As part of this investigation, the SMARTFIRE Computational Fluid Dynamics (CFD) software was used to predict the ‘possible’ development of the fire and associated smoke movement. In this paper the CFD fire simulations are presented and model predictions compared with key findings from the investigation. The model predictions are shown to be consistent with a number of the investigation findings associated with the early stages of the fire development. The analysis makes use of simulated pre-fire airflow conditions within the MD-11 cockpit and above ceiling region presented in an earlier publication (Part I) which was published in The Aeronautical Journal in January 2006.