양변기 배수소음 측정 및 소음 저감대잭

다국어 초록 (Multilingual Abstract)

With an economic growth, life standard has been improved and high quality of residential
environment is demanded. Noise induced in residential area causes stresses and conflicts of
the residents. In this study, to reduce the drainage noise from toilet bowl, experiments are
performed. Various types of drainage pipes are selected and the noises are measured. The
results are analyzed and the geometry of the drainage pipe which makes the least noise is
presented.

목차 (Table of Contents)

• 1. 서 론 1
• 2. 본 론 2
• 2.1 이론 및 실험방법 2
• 2.1.1 소음의 정의 2
• 2.1.2 소음의 영향 2
• 2.1.3 소음의 단위 2
• 2.1.4 소음기준 2
• 2.2 실험 방법 및 구성 장치 3
• 3. 실험 결과 4
• 3.1 주파수대역별 그래프 4
• 3.2 주파수대역별 배수소음 4
• 3.3 소음대역별 그래프 5
• 3.4 소음대역별 배수소음 5
• 4. 결 론 6