지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.2
- 수록면
- 38 - 44 (7page)
- DOI
- 10.7584/JKTAPPI.2020.02.52.1.38
이용수
초록· 키워드
오류제보하기
The objective of this study is to estimate the noise control capability of a sound barrier developed using a porous sponge attached to a corrugated cardboard (CC) specifically for household blender (BL). The sound absorption coefficient and transmission loss of a triple tri-wall CC are estimated by the transfer-function and transfer-matrix methods, respectively. The sound pressure levels of the BL, CC-covered BL, and porous sponge attached to the CC-covered BL are estimated using a 1/3-octave sound pressure level meter. The mean sound absorption coefficients of a double-layered 1.5 cm thick CC and 3 cm thick porous sponge attached to a double-layered 1.5 cm thick CC are 0.10 and 0.58, respectively. In the case of the porous sponge attached to the CC-covered BL, the sound absorption coefficient value reached 0.82 in the frequency range 3–4 KHz. The mean sound transmission loss of the CC and porous sponge attached to the CC-covered BL are 50.70 and 64.74 dB, respectively. The sound pressure level of the BL, CC, and porous sponge attached to the CC-covered BL are 82.9, 65.7, and 61.2 dB, respectively. The difference in the sound pressure level between the BL and the porous sponge attached to the CC-covered BL is about 20 dB. The findings from this study can be used in potential applications for using porous sponges attached to a CC-covered BL as a noise insulation cover for household BL.
목차
ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
Literature cited
참고문헌 (8)
참고문헌 신청
강춘원 / 2018 / 타공골판지의 흡음율과 음향투과손실 / 펄프종이기술 50(4):32~39
Meng, H. / 2017 / Small perforations in corrugated sandwich panel significantly enhance low frequency sound absorption and transmission loss / Composite Structures 182:1~11
1998 / ISO 10534-2, Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes-Part 2: Transfer function method
Korean Industrial Standards / 2002 / KS F 2814-2, Acoustics-determination of sound absorption coefficient and impedance in impedance tubes－Part 2：Transfer-function method
Kang, C. W. / 2012 / Sound absorption capability and mechanical properties of a composite rice hull and sawdust board / Journal of Wood Science 58:273~278
Meng, H. / 2017 / Small perforations in corrugated sandwich panel significantly enhance low frequency sound absorption and transmission loss / Composite Structures 182:1~11
1998 / ISO 10534-2, Acoustics-Determination of sound absorption coefficient and impedance in impedance tubes-Part 2: Transfer function method
Korean Industrial Standards / 2002 / KS F 2814-2, Acoustics-determination of sound absorption coefficient and impedance in impedance tubes－Part 2：Transfer-function method
Kang, C. W. / 2012 / Sound absorption capability and mechanical properties of a composite rice hull and sawdust board / Journal of Wood Science 58:273~278
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UCI(KEPA) : I410-ECN-0101-2020-586-000409480