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정철운(Jung Chul-Woon),정은정(Jung Eun-Jung),김재수(Kim Jae-Soo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
As the modem building is an environmentally-friendly structure together with its aesthetic effect of the external appearance, it continues the effort to maximize energy saving, and under such circumstance, a concern with reference to the efficient use of solar energy is on escalating. Especially, the incoming of a desirable direct solar light into indoor space by each seasons is not only influencing to it's illumination circumstance, but also obtainable an energy economizing effect by curtailment of the burden for air conditioningㆍheating at each seasons. Therefore, despite the direction of building and an appropriate protrusion rate of the awning look important from the construction planning stage, owing to the result of consideration on the aesthetic effect only and an excessive awning design, the case that most of building causes a bad influence to the comfortable sunshine environment is on increasing. On such viewpoint, centering around the awning design example of Y-Middle School located in Gwangju, this Study has attempted to compareㆍanalyze using a simulation about the change of indoor sunshine condition at both "before improvement &after improvement". It is considered that such result could be utilized as the useful material in presentation of the right direction at the time of awning design on the construction planning stage in the future.
정철운(Jung Chul-Woon),윤재현(Yoon Jae-Hyun),김재수(Kim Jae-Soo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
In case of Multi-purpose Dam, it converts the potential energy by the head and quantity of water to kinetic energy, and on the producing process of electric power likely as during the time of revolving of the Turbine connected to the hydraulic turbine dynamo, there occurs ceaseless a loud noise, therefore, actually those workers who have been directly exposed to such loud noise are suffering under the physical, mental noise-damages such as hearing-impediment. Likewise, since the permeated noise to the adjacent room brings a decline of an effective working efficiency, though an establishment of the measure for sound-insulation and soundproof is urgently required, but such existing measure merely controls a physical acoustic factor only, it didnot take a consideration with regard to the psychological factor of human-being. Particularly, since Annoyance caused by Loud Noise receives not only the physical characteristics likely as Sound Pressure Level of Noise itself. but also receives together with psycho-acoustics characteristics influence of some complicated form human-being has, through an acoustic psychological approach the subjective evaluation characteristics should be reflected together. On such viewpoint, this Study has tried toextract the proper rating vocabulary for evaluation Loud Noise made at the hydraulic turbine dynamo, based on the subjective reaction that reflected the psychological attribute; therefore it is considering that the extracted vocabulary in such way could be utilized as the valuable materials for establishment of the acoustic-psychological experiment and instrument-noise control standard for the sake of evaluation on Loud Noise made at the hydraulic turbine dynamo and at other similar one.
대변기 세정시 발생하는 배수소음의 특성변화에 관한 연구
설수환(Soo-Hwan Soul),정철운(Chul-Woon Jung),김재수(Jae-Soo Kim) 대한설비공학회 2007 설비공학 논문집 Vol.19 No.11
It has been noted, in case of the apartments in collective form, the drainage noise from cleaning of toilet causes many problems in the basement and adjacent rooms, mainly hampering the pleasant housing environment. The problems are increasingly raised by civil complaints with the public offices. Therefore, if the drainage noise generates when wash out of toilet bowl is grasped how the characteristics change according to the sorts of drainpipe, it is considered that the establishment of an effective sound insulation countermeasure could be possible when a civil petition against the drainage noise of apartment house is submitted hereafter. On such viewpoint, this study measured and analyzed the characteristics of drainage noise per the type of drainage pipe, according to KS A ISO 1996-1~3, with the horizontal branch pipe and riser pipes in the drainage noise experiment chamber which has the characteristics of the anechoic room. In the result, the pipe type with excellent noise reduction function. The result of this study is considered to become available as fundamental data, to take actions on reduction of drainage noise of the ceiling piping method.
국정훈(Kook Joung-Hun),정철운(Jung Chul-Woon),김재수(Kim Jae-Soo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
Clay-pigeon shooting, originated in England in the 18th Century, is recently propagating genuinely for the purpose of healthy sport and health-promotion. In the meanwhile, due to the rifle-noise made at the time of Clay-pigeon shooting, the instance becomes increasing that the comfortable life-environment of the neighboring people is violated, particularly in case of the farmhouse for living-means who breeds livestock nearby the shooting range, due to the rifle-noise, there occurs big damage to the farmhouse, for example, the egg-laying rate of the livestock those residents are breeding, thereby it becoming an object of strong civil complaint. Therefore, this Research has ever examined the characteristics by frequencies with regard to the rifle-noise generated at Clay-pigeon shooting field and the distribution of sound pressure level, and based on the above, also has ever grasped how the rifle-noise influences to human. It is considered that such material could be utilized as the useful data for establishment an effective measure when civil complaint related to rifle-noise is filed in the future.