Sound transmission loss of double panels with sound absorptive facings and with internal corrugations of plastics = 흡음재를 표면에 부착시킨 이중격벽과 내부에 플라스틱 주름을 삽입한 이중격벽의 차음효과

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To predict the sound transmission loss of double partitions with absorptive layer, a theory is developed. The theory used in this paper agree well with experimental results. During the experimental procedure, the necessity of testrooms leads us to construct the twin reverberation chamber. Many requirements 6.17 are satisfied by the test facility, but the small size of it limits the lowest frequency that can be measured to 400 Hz. Experiments are also carried out for some effects that have not been investigated before. Result for double panels with internal corrugations of plastic shows considerable improvement on the sound transmission loss below the frequency of 1,000 Hz.
Advisors
Lee, Byung-Ho이병호
Description
한국과학기술원 : 기계공학과,
Publisher
한국과학기술원
Issue Date
1980
Identifier
62786/325007 / 000781150
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 1980.2, [ ii, 58 p. ]

URI
http://hdl.handle.net/10203/47062
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=62786&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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