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Author (down) Zhou, H.; Hawkins, H.G.; Miles, J.D. url  openurl
  Title Guidelines for Freeway Lighting Curfews Type Journal Article
  Year 2013 Publication Technical Report No. FHWA/TX-13/0-6645-1, Texas A&M Transportation Institute Abbreviated Journal  
  Volume Issue Pages á-72  
  Keywords Lighting Systems; Regulation  
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  Notes Approved no  
  Call Number LoNNe @ christopher.kyba @ Serial 445  
Permanent link to this record
 

 
Author (down) Żagan, W.; Skarżyński, K. url  doi
openurl 
  Title The “layered method” – A third method of floodlighting Type Journal Article
  Year 2019 Publication Lighting Research & Technology Abbreviated Journal Lighting Research & Technology  
  Volume Issue Pages in press  
  Keywords Lighting  
  Abstract The main aim of this work is to present a new method of floodlighting – the ‘Layered Method’. It has been possible to create this method due to the rapid development of linear luminaires with LEDs. When luminaires are located a very short distance from an illuminated wall and are directed at a low angle, the layered floodlighting method gives an unusual and interesting visual effect. In this situation, the length of light distribution on the illuminated wall is the same as the length of the light line and is rather short in width. This gives the opportunity of creating the effect of a layer of light, which can be used, for example, to illuminate Renaissance tenement houses and all types of longitudinal architectural details, such as tympanums or balusters. This paper presents the state-of-the-art use of the layered method of floodlighting. All advantages and disadvantages, in terms of lighting technology and architecture, are carefully described. The ideas contained in this paper could be useful for those who are interested in making architectural objects more beautiful by means of illumination at night-time.  
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  ISSN 1477-1535 ISBN Medium  
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  Notes Approved no  
  Call Number GFZ @ kyba @ Serial 2807  
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Author (down) Żagan, W.,; Skarżyński, K. openurl 
  Title Analysis of light pollution from floodlighting: Is there a different approach to floodlighting? Type Journal Article
  Year 2017 Publication Light and Engineering Abbreviated Journal  
  Volume 25 Issue 1 Pages 75-82  
  Keywords LED lighting  
  Abstract The research which was prepared for this paper was inspired by a real floodlit object. The main distinctive feature is connected with the directionality of its lighting. The „Sezam” building was one of the first to be illuminated in the opposite way to the usual manner of floodlighting. The analysis, based on the measurement of horizontal illuminance on the pavement in front of the building andof theluminance on the facade, leads to some very unusual conclusions. It goes deeper than merely the assessment of the phenomenon of light pollution in the context of floodlighting. Additionally, a short survey about the preferences of lighting directionality in floodlighting and the general concept of light pollution was conducted on a group of over a dozen people. It turned out that people are quite aware of the phenomenon of light pollution and they rather prefer illumination from floodlighting to be from bottom to top.  
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  Notes Approved no  
  Call Number GFZ @ kyba @ Serial 2450  
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Author (down) Yoon, H.C.; Oh, J.H.; Lee, S.; Park, J.B.; Do, Y.R. url  doi
openurl 
  Title Circadian-tunable Perovskite Quantum Dot-based Down-Converted Multi-Package White LED with a Color Fidelity Index over 90 Type Journal Article
  Year 2017 Publication Scientific Reports Abbreviated Journal Sci Rep  
  Volume 7 Issue 1 Pages 2808  
  Keywords Lighting  
  Abstract New metrics of the color and circadian performances of down-converted white light-emitting diodes (DC-WLEDs) are rapidly becoming popular in smart lighting systems. This is due to the increased desire for accurate analytical methods to measure the effects of newly developed quantum dot (QD)-based lighting on the vision, color, and circadian sensors of retina cells in the human eye. In this regard, a two-measure system known as technical memorandum TM-30-2015 (Illuminating Engineering Society of North America), encompassing the color fidelity index (CFI, R f ) and the color gamut index (CGI, R g ), has been developed as a new metrics of color to replace the currently utilized color rendering index (CRI, R a ). In addition, the tunability of the circadian efficacy of radiation (CER) is now more important due to its effect on the control of melatonin suppression/secretion, resetting of the central/local clocks of individuals given their daily cycles, and benefits to human health. In this paper, we developed and analyzed six-colored perovskite (Pe; cyan, green, yellowish green, amber, orange, and red colors) QDs-based multi-package WLED, and optimized the SPDs of tunable PeQD-based multi-package WLEDs in terms of promising human-centric lighting device, given its optimized visual energy, color qualities and health-promoting effects.  
  Address Department of Chemistry, Kookmin University, Seoul, 136-702, Republic of Korea. yrdo@kookmin.ac.kr  
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  Language English Summary Language Original Title  
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  Series Volume Series Issue Edition  
  ISSN 2045-2322 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:28584229; PMCID:PMC5459832 Approved no  
  Call Number LoNNe @ kyba @ Serial 1667  
Permanent link to this record
 

 
Author (down) Yau, K.K.W. url  doi
openurl 
  Title Risk factors affecting the severity of single vehicle traffic accidents in Hong Kong Type Journal Article
  Year 2004 Publication Accident Analysis & Prevention Abbreviated Journal Accident Analysis & Prevention  
  Volume 36 Issue 3 Pages 333-340  
  Keywords Lighting; Injury severity; Logistic regression models; Risk factors; Single vehicle accident  
  Abstract A population-based case–control study was conducted to examine factors affecting the severity of single vehicle traffic accidents in Hong Kong. In particular, single vehicle accident data of three major vehicle types, namely private vehicles, goods vehicles and motorcycles, which contributed to over 80% of all single vehicle accidents during the 2-year-period 1999–2000, were considered. Data were obtained from the newly implemented traffic accident data system (TRADS), which was developed jointly by the Transport Department, Police Force and Information Technology Services Department, Hong Kong. The effect of district, human, vehicle, safety, environmental and site factors on injury severity of an accident was examined. Unique risk factors associated with each of the vehicle types were identified by means of stepwise logistic regression models. For private vehicles, district board, gender of driver, age of vehicle, time of the accident and street light conditions are significant factors determining injury severity. For goods vehicles, seat-belt usage and weekday occurrence are the only two significant factors associated with injury severity. For motorcycles, age of vehicle, weekday and time of the accident were determined to be important factors affecting the injury severity. Identification of potential risk factors pertinent to the particular vehicle type has important implications to relevant official organisations in modifying safety measures in order to reduce the occurrence of severe traffic accidents, which would help to promote a safe road environment.  
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  Series Volume Series Issue Edition  
  ISSN 0001-4575 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number LoNNe @ kagoburian @ Serial 651  
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