Aircraft safety and passenger anthropometry - evaluating emergency egress times of different passenger profiles

Melis, D, Almeida Da Silva, J and Yeun, R 2019, 'Aircraft safety and passenger anthropometry - evaluating emergency egress times of different passenger profiles', in 18th Australian Aerospace Congress 2019, Melbourne, Australia, 25-26 February 2019, pp. 54-63.


Document type: Conference Paper
Collection: Conference Papers

Title Aircraft safety and passenger anthropometry - evaluating emergency egress times of different passenger profiles
Author(s) Melis, D
Almeida Da Silva, J
Yeun, R
Year 2019
Conference name 18th Australian International Aerospace Congress
Conference location Melbourne, Australia
Conference dates 25-26 February 2019
Proceedings title 18th Australian Aerospace Congress 2019
Publisher Engineers Australia, Royal Aeronautical Society
Place of publication Australia
Start page 54
End page 63
Total pages 10
Abstract This paper demonstrates the impact of passenger anthropometry on the emergency egress for a single aisle and double aisle aircraft using the software Pathfinder. Using anthropometric data from an online database, a demographic model of passenger anthropometry based on the prevalence of BMI categories was developed for use in the simulations. Knowing that the prevalence of obesity is becoming greater, various obesity situations were simulated. Validation of the software was carried out by undertaking a trial mimicking a real-life evacuation. The simulated results show that for current levels of BMI prevalence the time to evacuate an aircraft is 76.6s (95% CI, 76.2-76.9) for a narrow-body and 87.1s (95% CI, 86.7-87.7) for a wide-body aircraft. Leaving current prevalence of BMI categories unchanged but increasing overall obesity by just 5% can lead to an increase of the egress time of approximately 2s for the wide-body aircraft scenario. The egress time is significantly increased if greater percentages of obese passengers are considered. The results show that the egress time for a population with a demographic similar to that expected in the next 30 years exceeds the current time limit considered by aviation authorities for certification purposes of passenger aircraft.
Subjects Aerospace Engineering not elsewhere classified
Keyword(s) Passengers' obesity
Overweight
Safety
Egress time
Commercial aviation
ISBN 9781925627213
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