Xie, Hui ORCID: https://orcid.org/0000-0003-1019-2168, Filippidis, Lazaros ORCID: https://orcid.org/0000-0002-1852-0042, Gwynne, Steve, Galea, Edwin R. ORCID: https://orcid.org/0000-0002-0001-6665, Blackshields, Darren ORCID: https://orcid.org/0000-0001-8940-0024 and Lawrence, Peter ORCID: https://orcid.org/0000-0002-0269-0231 (2007) Signage legibility distances as a function of observation angle. Journal of Fire Protection Engineering, 17 (1). pp. 41-64. ISSN 1042-3915 (doi:10.1177/1042391507064025)

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Abstract

Signage systems are widely used in buildings to provide information for wayfinding, thereby assisting in navigation during normal circulation of pedestrians and, more importantly, exiting information during emergencies. An important consideration in determining the effectiveness of signs is establishing the region from which the sign is visible to occupants, the so-called visibility catchment area (VCA). This study attempts to factor into the determination of the VCA of signs, the observation angle of the observer. In building regulations, it is implicitly assumed that the VCA is independent of the observation angle.

A theoretical model is developed to explain the relationship between the VCA and observation angle and experimental trials are performed in order to assess the validity of this model. The experimental findings demonstrate a consistency with the theoretical model. Given this result, the functionality of a comprehensive evacuation model is extended in accordance with the assumptions on which the theoretical model is based and is then demonstrated using several examples

Item Type:	Article
Uncontrolled Keywords:	wayfinding, signage, visibility, evacuation simulation, evacuation modelling,
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science T Technology > TH Building construction
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Fire Safety Engineering Group School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:	Publisher Organisation Organisation Organisation Organisation Organisation Organisation
Last Modified:	18 Feb 2020 16:20
URI:	http://gala.gre.ac.uk/id/eprint/1056

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