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Life cycle assessment of LED road lightingChan, Ho-kan., 陳可芹. January 2012 (has links)
It is observed that the power consumption of road lighting is increased with the length of trafficable road in Hong Kong. The energy used in road lighting is increasing, which means that the greenhouse gases (GHGs) emitted from power plant for generating electricity for road lighting is at the same time increasing.
To compare the performance of light emitted diode (LED) road lighting with road lighting of other lamp sources, literature review, life cycle assessment (LCA) and technical assessment are adopted to give an overall comparison. This research focuses more on the environmental impacts of road lighting. LCA is adopted in order to give a comprehensive view on the environmental impact of road lighting. A total of 3 different lamp sources are compared: high pressure sodium (HPS) lamp, induction lamp and light emitted diode (LED) lamp.
From the model result, it is found that due to the low power consumption and long life time, LED and induction lamp road lighting gives generally less environmental impact than HPS road lighting. As induction lamp has a longer life span than LED, the environmental impact of induction lamp road lighting is found slightly less than that of LED road lighting. Taking account the future development in LED technology, leading to longer life time, higher efficacy and lower production cost, LED road lighting is expected to be a replacement for road lighting in Hong Kong for the future. / published_or_final_version / Environmental Management / Master / Master of Science in Environmental Management
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Discomfort glare: variation of light intensityGanesh, Kittur V. January 1986 (has links)
Call number: LD2668 .T4 1986 G35 / Master of Science / Industrial and Manufacturing Systems Engineering
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Discomfort glare : an improved dynamic roadway lighting simulationEaswer, Ganesh K. January 2010 (has links)
Typescript (photocopy). / Digitized by Kansas Correctional Industries
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Fry's dynamic disk roadway lighting simulatorAnantha, Balakrishnan N January 1982 (has links)
Typescript (photocopy).
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Comparison of real-world roadway lighting, dynamic simulation and CBE and Glaremark predictive systemsHussain, Syed Arif. January 1985 (has links)
Call number: LD2668 .T4 1985 H87 / Master of Science
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