Analysis of LLL System Properties for Different Excitation Parameters

Photoluminescent strips forming a Low Location Lighting (LLL) system are the primary method for marking escape routes on passenger ships. The LLL system can be built as a self-luminous system (powered by electricity) or made as a series of strips made of photoluminescent materials, which glow and in...

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Autores principales:	Krzysztof Wandachowicz, Małgorzata Zalesińska, Przemysław Otomański
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	lighting engineering photoluminescent lighting system Low Location Lighting system Technology T
Acceso en línea:	https://doaj.org/article/afd879e7ca4b42b6976b21b00e2456ac
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spelling	oai:doaj.org-article:afd879e7ca4b42b6976b21b00e2456ac2021-11-25T17:28:14ZAnalysis of LLL System Properties for Different Excitation Parameters10.3390/en142277231996-1073https://doaj.org/article/afd879e7ca4b42b6976b21b00e2456ac2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7723https://doaj.org/toc/1996-1073Photoluminescent strips forming a Low Location Lighting (LLL) system are the primary method for marking escape routes on passenger ships. The LLL system can be built as a self-luminous system (powered by electricity) or made as a series of strips made of photoluminescent materials, which glow and indicate the escape route after the loss of basic and emergency lighting. To ensure correct visual guidance, these strips must be installed at specific locations in the passageways and achieve appropriate photometric parameters after a certain time from their activation. The properties of the LLL system depend on the type of luminescent material used, the excitation source, and the exposure parameters. This paper presents the results of laboratory tests on two types of photoluminescent materials used for the construction of LLL systems. We recorded the change in luminance after the loss of excitation and measured the luminance values obtained 10 and 60 min after the loss of excitation under exposure to light sources commonly used for interior lighting on passenger ships. It turns out that replacing fluorescent lamps with LED lamps can reduce the luminance of the LLL system.Krzysztof WandachowiczMałgorzata ZalesińskaPrzemysław OtomańskiMDPI AGarticlelighting engineeringphotoluminescent lighting systemLow Location Lighting systemTechnologyTENEnergies, Vol 14, Iss 7723, p 7723 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	lighting engineering photoluminescent lighting system Low Location Lighting system Technology T
spellingShingle	lighting engineering photoluminescent lighting system Low Location Lighting system Technology T Krzysztof Wandachowicz Małgorzata Zalesińska Przemysław Otomański Analysis of LLL System Properties for Different Excitation Parameters
description	Photoluminescent strips forming a Low Location Lighting (LLL) system are the primary method for marking escape routes on passenger ships. The LLL system can be built as a self-luminous system (powered by electricity) or made as a series of strips made of photoluminescent materials, which glow and indicate the escape route after the loss of basic and emergency lighting. To ensure correct visual guidance, these strips must be installed at specific locations in the passageways and achieve appropriate photometric parameters after a certain time from their activation. The properties of the LLL system depend on the type of luminescent material used, the excitation source, and the exposure parameters. This paper presents the results of laboratory tests on two types of photoluminescent materials used for the construction of LLL systems. We recorded the change in luminance after the loss of excitation and measured the luminance values obtained 10 and 60 min after the loss of excitation under exposure to light sources commonly used for interior lighting on passenger ships. It turns out that replacing fluorescent lamps with LED lamps can reduce the luminance of the LLL system.
format	article
author	Krzysztof Wandachowicz Małgorzata Zalesińska Przemysław Otomański
author_facet	Krzysztof Wandachowicz Małgorzata Zalesińska Przemysław Otomański
author_sort	Krzysztof Wandachowicz
title	Analysis of LLL System Properties for Different Excitation Parameters
title_short	Analysis of LLL System Properties for Different Excitation Parameters
title_full	Analysis of LLL System Properties for Different Excitation Parameters
title_fullStr	Analysis of LLL System Properties for Different Excitation Parameters
title_full_unstemmed	Analysis of LLL System Properties for Different Excitation Parameters
title_sort	analysis of lll system properties for different excitation parameters
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/afd879e7ca4b42b6976b21b00e2456ac
work_keys_str_mv	AT krzysztofwandachowicz analysisoflllsystempropertiesfordifferentexcitationparameters AT małgorzatazalesinska analysisoflllsystempropertiesfordifferentexcitationparameters AT przemysławotomanski analysisoflllsystempropertiesfordifferentexcitationparameters
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Analysis of LLL System Properties for Different Excitation Parameters

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