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研究生:林士翔
研究生(外文):Shih-hsiang Lin
論文名稱:應用BIV及PIV量測波浪通過潛礁之碎波流場研究
論文名稱(外文):Application of BIV and PIV Techniques to Breaking Wave-Induced Flow Fields over Artificial Reef
指導教授:許泰文許泰文引用關係
指導教授(外文):Tai-wen Hsu
學位類別:碩士
校院名稱:國立成功大學
系所名稱:水利及海洋工程學系碩博士班
學門:工程學門
學類:河海工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:75
中文關鍵詞:人工潛礁氣泡影像測速儀質點影像測速儀
外文關鍵詞:Artificial reefPIVBIV
相關次數:
  • 被引用被引用:1
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  • 下載下載:25
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本研究應用質點影像測速儀( Particle Image Velocimetry, PIV ) 以及自行研發之氣泡影像測速儀( Bubble Image Velocimetry, BIV ) 於水槽中量測波浪通過人工潛礁之水位與流場變化情形,進而探討波浪通過人工潛礁後之碎波現象。
量測結果顯示,當波浪於潛礁上方碎波時,波高有明顯的減衰現象並隨著向下游傳遞距離增加波高減衰情況越顯著。而當波浪發生碎波時,波峰上方水體向前與向下崩塌受重力影響將空氣捲入水體,而產生氣泡,而氣泡速度不斷地受前方水體的影響速度下降。在氣泡涵蓋範圍內,上下方水體有分層現象,而此現象的範圍亦隨著波浪向下游傳遞的距離增加而變長。
This thesis use Particle Image Velocimetry (PIV) and Bubble Image Velocimetry (BIV) to measure the various complex flow phenomena surrounding an artificial reef owing to its interaction with an oncoming wave.
Based on the experimental results, the wave height of progressive wave decreases gradually with the increase of the distance of artificial reef. When wave breaking, the wave take the air into water and have air bubble. The air bubble velocity constantly decrease by the bubble impact in front of water. In breaking wave, surround of waterline’s field, the velocity is more faster than surround of structure. And the scope of this phenomenon increase gradually with the increase of the distance of artificial reef.
目錄
中文摘要 I
Abstract II
致謝 III
目錄 IV
表目錄 V
圖目錄 VI
符號說明 VIII
第一章 緒論 1
1-1 研究動機與目的 1
1-2 前人研究 2
1-3 本研究組織 3
第二章 試驗設備與佈置 4
2-1 造波及波高擷取設備 4
2-2 試驗條件 6
2-3 PIV量測系統 7
2-4 BIV量測系統 10
第三章 PIV、BIV原理及驗證 12
3-1 PIV量測方法 12
3-2 BIV量測方法 14
3-3 BIV量測系統驗證 16
第四章 數值模式 18
第五章 結果與討論 21
5-1 人工潛礁附近之流場特性 25
5-1-1 區域I 26
5-1-2 區域II 32
5-1-3 區域III 38
5-1-4 區域IV 44
5-1-5 區域V 50
5-2 全區人工潛礁流場 56
5-3 數值計算結果 67
第六章 結論與建議 71
6-1 結論 71
6-2 建議 71
參考文獻 73
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