http://scholars.ntou.edu.tw/handle/123456789/14678
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.author | Tsung-Mo Tien | en_US |
dc.contributor.author | Ching-Jer Huang | en_US |
dc.contributor.author | Tai-Wen Hsu | en_US |
dc.contributor.author | Chien-Hsun Lee | en_US |
dc.contributor.author | Shi-Sheng Hsu | en_US |
dc.date.accessioned | 2020-12-17T05:56:07Z | - |
dc.date.available | 2020-12-17T05:56:07Z | - |
dc.date.issued | 2008-06-01 | - |
dc.identifier.uri | http://scholars.ntou.edu.tw/handle/123456789/14678 | - |
dc.description.abstract | Experiments are carried out to study the characteristics of active bubbles entrained by breaking waves as these propagate over an abruptly topographical change or a submerged breakwater. Underwater sounds generated by the entrained air bubbles are detected by a hydrophone connected to a charge amplifier and a data acquisition system. The size distribution of the bubbles is then determined inversely from the received sound frequencies. The sound signals are converted from time domain to time-frequency domain by applying Gabor transform. The number of bubbles with different sizes are counted from the signal peaks in the time-frequency domain. The characteristics of the bubbles are in terms of bubble size spectra, which account for the variation in bubble probability density related to the bubble radius r. The experimental data demonstrate that the bubble probability density function shows a-2.39 power-law scaling with radius for r>0.8mm, and a-1.11 power law for r<0.8mm. | en_US |
dc.language.iso | en | en_US |
dc.publisher | Springer Verlag | en_US |
dc.relation.ispartof | China Ocean Engineering | en_US |
dc.subject | breaking waves | en_US |
dc.subject | submerged breakwater | en_US |
dc.subject | underwater noise | en_US |
dc.subject | Gabor transform | en_US |
dc.subject | bubble-size spectra | en_US |
dc.title | Bubble size distribution for waves propagating over a submerged breakwater | en_US |
dc.type | journal article | en_US |
dc.relation.journalvolume | 22 | en_US |
dc.relation.journalissue | 2 | en_US |
dc.relation.pages | P227 - 240 | en_US |
item.languageiso639-1 | en | - |
item.fulltext | no fulltext | - |
item.grantfulltext | none | - |
item.cerifentitytype | Publications | - |
item.openairetype | journal article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
crisitem.author.dept | College of Engineering | - |
crisitem.author.dept | Department of Harbor and River Engineering | - |
crisitem.author.dept | National Taiwan Ocean University,NTOU | - |
crisitem.author.dept | Center of Excellence for Ocean Engineering | - |
crisitem.author.dept | Doctorate Degree Program in Ocean Engineering and Technology | - |
crisitem.author.dept | Ocean Energy and Engineering Technology | - |
crisitem.author.orcid | 0000-0003-3784-7179 | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | College of Engineering | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | College of Engineering | - |
crisitem.author.parentorg | Center of Excellence for Ocean Engineering | - |
顯示於: | 河海工程學系 |
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