Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ju-Haeng Lee"'
Publikováno v:
Journal of The Korean Society of Combustion. 23:20-26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::573988676ce99e0866f5944da5c27898
https://doi.org/10.15231/jksc.2018.23.2.020
https://doi.org/10.15231/jksc.2018.23.2.020
Effects of Nano-Porous Materials and Inert Gas on Sound Proof Properties of Double Layer Acryl Plate
Publikováno v:
Materials Science Forum. 804:89-92
The purpose of this study was to investigate the sound proof properties of the double layer acryl plates with various packing materials inside. The acryl plates were filled with vacuum pressure ranged from-20 to-80 kPa, fumed silica as nanoporous mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2e32b4586a27eff7e79e6ae7d767dac
https://doi.org/10.4028/www.scientific.net/msf.804.89
https://doi.org/10.4028/www.scientific.net/msf.804.89
Publikováno v:
Journal of Korean Society of Environmental Engineers. 36:597-603
본 연구에서는 PC, PMMA, HDPE, PP를 소재로 한 방음패널의 두께와 구조적 특성, 소재가 차음성능에 미치는 영향을 알아보았다. 각 소재로 구성된 단일 패널의 음향투과손실을 비교한 결과, PC, PM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01ce75be7dc29419a13e20cfb3275b54
https://doi.org/10.4491/ksee.2014.36.9.597
https://doi.org/10.4491/ksee.2014.36.9.597
Publikováno v:
Journal of Korean Society for Atmospheric Environment. 29:830-837
The purposes of this research are to know the dust removal efficiency according to the changes of gab between positive and negative plates in dust removal chamber. The experiments for dust removal efficiencies were conducted with changing the electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40495b4cd188572222149fcc102da290
https://doi.org/10.5572/kosae.2013.29.6.830
https://doi.org/10.5572/kosae.2013.29.6.830
Publikováno v:
Environmental Engineering Research. 18:229-234
This study aimed to develop a new dust collecting system equipped with an activated carbon (A.C.) coated electrode. Before fabrication, pre-treatment of A.C. was performed to remove metal ions within the A.C. to enlarge its specific surface area. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df99d723ec3b6edb1182ceff85b0c836
https://doi.org/10.4491/eer.2013.18.4.229
https://doi.org/10.4491/eer.2013.18.4.229
Publikováno v:
Journal of the Korean Society of Road Engineers. 15:11-15
PURPOSES : This study is to compare sound transmission loss(STL) value depending on the four kinds of materials, PC(Polycarbonate), PMMA(Polymethyl mathacrylate), PE(Polyethlyene), PP(Polypropylene), and two types of structure, single layer and doubl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6adeb261634803b9a90061d05e8cd44e
https://doi.org/10.7855/ijhe.2013.15.6.011
https://doi.org/10.7855/ijhe.2013.15.6.011
Publikováno v:
Journal of Korean Society of Environmental Engineers. 35:821-826
The purposes of this research are to study on optimal distance between positive and negative electrodes in dust removal chamber. The experiments were performed with electrode-plate gab arranging in order of 3 cm, 2 cm, 1 cm in series while varying in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a5501e209fc1123ed9d0c0a917ebc6b
https://doi.org/10.4491/ksee.2013.35.11.821
https://doi.org/10.4491/ksee.2013.35.11.821
Publikováno v:
Journal of Korean Society of Environmental Engineers. 35:749-755
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16ab3b16105ddc9ac710837be93a9312
https://doi.org/10.4491/ksee.2013.35.10.749
https://doi.org/10.4491/ksee.2013.35.10.749
Publikováno v:
Journal of Korean Society of Environmental Engineers. 35:592-597
It is widely known that the sound insulation of soundproof panel is highly correlated to two factors, surface density of material and the frequency of noise. Accordingly, the character of traffic noise released in actual situation is important requis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c8bee5323e308ca2293ac90d883ac9e
https://doi.org/10.4491/ksee.2013.35.8.592
https://doi.org/10.4491/ksee.2013.35.8.592
Publikováno v:
Journal of Korean Society of Environmental Engineers. 34:847-854
The demand for noise barriers and necessity for the installation are highly growing because residential areas have become diverse and locational priority is changed to consider how to approach highway easily. However, public annoyance to the noise ge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::83cad5efb090ce6d3621bf2b756f5f34
https://doi.org/10.4491/ksee.2012.34.12.847
https://doi.org/10.4491/ksee.2012.34.12.847