Visibility of exit signs through smoke

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ConferencePre-Conf Proc. Int. Conf. Building Use and Safety Technology: 12 March 1985, Los Angeles, CA, USA
Pages7580; # of pages: 6
SubjectLighting; smoke; visibility; emergency exits; fire safety; smoke densities; detectability; readability; threshold limits; low high ambient illumination conditions; smoke properties; human visual system; Lighting; Smoke management
AbstractUsing 16 observers, the smoke densities required to reduce the visibility of each of 13 exit signs to threshold limits of detectability and readability were determined at both low and high ambient illuminations. Supported by known properties of smoke and the human visual system, some conclusions can be drawn from these data about the factors that influence exit sign visibility through smoke.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number25047
NPARC number20359235
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Record identifier5e8d4f63-d283-4941-9b3b-55ee0716a826
Record created2012-07-20
Record modified2016-05-09
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