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자료유형
학술저널
저자정보
Lee, Yoon Jeong (Kyung Hee University) Kim, Jeong Tai (Kyung Hee University)
저널정보
한국생태환경건축학회 KIEAE Journal KIEAE Journal Vol.15 No.4(Wn.74)
발행연도
2015.8
수록면
21 - 28 (8page)

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초록· 키워드

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Purpose: Although security lights are used to secure pedestrian visibility and safety at nighttime, they can generate light trespass in the neighboring residential space. To prevent this, standards for acceptance limits on vertical illuminance and light pollution by the windows of residential buildings are presented. Method: This study thus representatively selected three types of lamps and, through an evaluation and analysis of the physical and subjective discomfort glare per lamp, proposed a discomfort glare index for each lamp. The evaluation and analysis according to the lamps were conducted through experiments. The variables were the security lights’ lamps (NH 100W, MH 70W, LED 50W), installation angles (0°, 20°), and installation distances (3m, 5m, 7m, 9m). Result: According to the results of the discomfort glare evaluation depending on the angles and distances of the security lights, the following minimum standards are proposed: for NH 100W, a discomfort glare index of 30 and an installation distance of 4m; for MH 70W, a discomfort glare index of 32 and an installation distance of 4m; and, for LED 50W, a discomfort glare index of 31 and an installation distance of 6m, respectively. In addition, this paper recommends the use of MH 70W, when the road width is 4m-6m, and LED 50W, when the road width is over 6m, respectively.

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ABSTRACT
1. Introduction
2. Experiment Method for Evaluating Discomfort Glare of Security Lights
3. Lamp-Specific UGR Index Analysis and Discomfort Glare Evaluation
4. Comparison of UGR Index and Discomfort Glare Evaluation Values
5. Conclusion
References

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