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논문 기본 정보

자료유형
학술저널
저자정보
신용규 (동신대학교) 국찬 (동신대학교)
저널정보
한국환경기술학회 한국환경기술학회지 한국환경기술학회지 제20권 제4호
발행연도
2019.1
수록면
222 - 235 (14page)

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초록· 키워드

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In this study, the sound of water and the physical characteristics of the reproducing sound of the fountain were identified and presented as basic data in the design of the fountain. First, the results of the study show that the physical index that can be described by dividing the space where water sounds are produced (W), the space where water sounds are not produced at all (N), and the space where water sounds and human behavior sounds coexist (C) was identified by StdDev, L90, NbEm, EmT, REm, G, and Sharpness. Second, the distinction between the number of nozzles in fountain and the water pressure could explain the sound quality (Loudness, Unbiased Annoyance, Articulation Index(NHV), Roughness), peak (REm, NbEm, StdDev) and size (Leq, L90) according to the change in the number of nozzles, and the clearness of the sound source (G, Sharpness) according to the change in water pressure, etc. Third, comparing the physical characteristics among the sound of water produced in space and the sound of the water directed by fountain resulted in consistent changes in StdDev, NbEm, and REm depending on the increase and decrease in the number of nozzles and G showed a tendency to change consistently with increasing or decreasing water pressure. So it is judged that the number of nozzles and the water pressure will allow the adjustment of a specific index. If the type of nozzle is further diversified and the hearing test and brain wave evaluation are carried out for field application, it will be possible to develop and utilize it as an indicator for the design of the fountain production according to location and situation.

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