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Author (down) Narendran, N.; Freyssinier, J.; Zhu, Y.
Title Energy and user acceptability benefits of improved illuminance uniformity in parking lot illumination Type Journal Article
Year 2015 Publication Lighting Research and Technology Abbreviated Journal Lighting Res. & Tech.
Volume 48 Issue 7 Pages 789-809
Keywords Lighting; parking lots; uniformity; light distribution; illuminance; LED
Abstract This study set out to understand the benefits of improved illuminance uniformity in parking lots in terms of user perception and acceptability, as well as energy use, and to demonstrate that light-emitting diodes (LEDs) can achieve uniform distributions more efficiently than traditional light sources. The results from a field evaluation showed that more uniform illuminance distributions are favourably perceived by people in terms of goodness of illumination, ability to see around and at a distance, and perception of safety -- all of this at a much lower average horizontal illuminance. Thus, improving uniformity alone can translate into lower energy use and potential for less glare and light pollution. Optical modelling showed that LEDs have a much greater potential to efficiently produce uniform illuminance distributions than larger light sources such as high pressure sodium or metal halide.
Address Lighting Research Center, 21, Union Street, Troy, NY 12180, USA; narenn2@rpi.edu
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Publisher SAGE Place of Publication Editor
Language English Summary Language English Original Title
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Notes Approved no
Call Number IDA @ john @ Serial 1184
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Author (down) Narboni, R.
Title LIGHTING PUBLIC SPACES: NEW TRENDS AND FUTURE EVOLUTIONS. Type Journal Article
Year 2020 Publication Light & Engineering Abbreviated Journal
Volume 28 Issue 2 Pages 4-16
Keywords Lighting; History
Abstract The article is devoted to the history and prospects of the development of outdoor lighting in public spaces with new opportunities of rapidly developing lighting technologies and trends in architecture and architectural lighting, taking into account environmental problems.
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Notes Approved no
Call Number GFZ @ kyba @ Serial 2899
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Author (down) Nam, K. H., Kim, C. H., & Nam, K. H.
Title A Research on the Improvement of Visibility Using Low Deck Lighting in Bad Weather Type Journal Article
Year 2020 Publication Journal of the Korean Institute of Electrical and Electronic Material Engineers Abbreviated Journal
Volume 33 Issue 3 Pages 186-193
Keywords Lighting
Abstract We investigate a fog-detection CCT control system using low deck lighting as a solution to the forward visibility of pole-type street lamps employed on existing roads. The lighting standards were met with a light source that has less compared with those of pole-type street lamps. The results show that the transmission rate was increased by changing the color temperature by automatically recognizing fog in bad weather and minimizing the phenomenon of lighting. In addition, it was allowed to create a safer and more comfortable driving environment for drivers owing to flicker or light pollution of existing pole-type street lamps. As a result, if lighting is used at a lower level than pole-type street lamps, the accident rate caused by securing the driver's forward visibility can be reduced sharply and existing problems can be resolved.
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Notes Approved no
Call Number IDA @ intern @ Serial 2953
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Author (down) Murray, A.T.; Feng, X.
Title Public street lighting service standard assessment and achievement Type Journal Article
Year 2015 Publication Socio-Economic Planning Sciences Abbreviated Journal Socio-Economic Planning Sciences
Volume 53 Issue Pages 14-22
Keywords Lighting
Abstract Nighttime lighting is an important public service that impacts human activities and promotes transportation and pedestrian safety. Of course, such services are not free and have been found to have negative impacts on the environment. Responsible stewardship of the built environment requires that efficiency and care in the delivery of services be taken, particularly in the context of sustainability concerns. A significant problem with existing urban infrastructure systems like street lighting is that they have evolved over time using rule-of-thumb planning standards. Given this, systematic assessment and re-evaluation offers much potential for enhancing the spatial efficiency of infrastructure but also the opportunity to explicitly account for environmental impacts in combination with safety and security. This paper applies a methodology for studying lighting in urban areas based upon the use of spatial analytics, including GIS and spatial optimization. Findings and results are reported for a study area in San Diego, California, highlighting current system configuration issues, method development and the potential long term benefits of systematic analysis of public sector services.
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0038-0121 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kyba @ Serial 1344
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Author (down) Mulvin, D.
Title Media Prophylaxis: Night Modes and the Politics of Preventing Harm Type Journal Article
Year 2018 Publication Information & Culture Abbreviated Journal Information & Culture
Volume 53 Issue 2 Pages 175-202
Keywords History; Lighting; Society
Abstract This article develops the term “media prophylaxis” to analyze the ways technologies are applied to challenges of calibrating one’s body with its environment and as defenses against endemic, human-made harms. In recent years, self-illuminated screens (like those of computers, phones, and tablets) have been identified by scientists, journalists, and concerned individuals as particularly pernicious sources of sleep-disrupting light. By tracing the history of circadian research, the effects of light on sleep patterns, and the recent appearance of software like “f.lux,” Apple’s “Night Shift,” and “Twilight,” this article shows how media-prophylactic technologies can individualize responsibility for preventing harm while simultaneously surfacing otherwise ignored forms of chronic suffering.
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ISSN 2164-8034 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number GFZ @ kyba @ Serial 1917
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