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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 朱錦洲(Chin-Chou Chu) | |
dc.contributor.author | Yi-Chun Lin | en |
dc.contributor.author | 林怡君 | zh_TW |
dc.date.accessioned | 2021-06-12T18:14:19Z | - |
dc.date.available | 2008-09-03 | |
dc.date.copyright | 2007-09-03 | |
dc.date.issued | 2007 | |
dc.date.submitted | 2007-08-31 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/27660 | - |
dc.description.abstract | 本文以水工實驗模擬渦漩具背景渦度且存在溫度效應影響下的行為表現,利用旋轉水槽底部架設具有溫度效應區的斜板模擬緯度效應及溫度來源,使渦漩通過此區域,分別以染料施放法定性觀察其路徑,以雷射水平切頁顯影法定量觀察其速度場,及液晶顯像技術(PIV/T)量測其垂直方向的速度及溫度場。
歸納自實驗結果,溫度效應對於渦漩路徑影響為冷渦漩較常溫渦漩偏北,而熱渦漩較常溫渦漩偏南。 另外,本實驗使用可隨溫度變化改變其反射波長的液晶感溫粒子(Thermochromic liquid crystal)為追蹤粒子,以水為工作流體,利用液晶顯像技術以全域且非侵入式的方式量測渦漩進入溫度效應區前、中、後三區域的速度溫度場,以觀察分析溫度效應對於渦漩垂直方向流場的影響。 | zh_TW |
dc.description.abstract | The objective of this paper is to investigate the phenomenon of vortex under thermal effect and background vorticity, especially the path and intensity of vortex passing through hot/cold zone. The generations of vortices at relative locations or latitudes are carefully conducted by sinking methods. The vortex is moved from deep water to shallow water because of the inclined bottom plate with hot/cold zone. The vortex path is observed by dye-induced method qualitatively. Moreover, the velocity, vorticity, and temperature of the fluid field are obtained by Particle Tracking velocimtry (PTV) and Particle Image Velocimetry/ Thermometry (PIV/T) quantitatively.
By conclusion of series of experiments, the path of the cold vortex which passes through cold zone is northerner than that through ambient-temperature zone. Moreover, the path of the vortex passing through ambient-temperature zone is northerner than that through warm zone. | en |
dc.description.provenance | Made available in DSpace on 2021-06-12T18:14:19Z (GMT). No. of bitstreams: 1 ntu-96-R94543027-1.pdf: 5687523 bytes, checksum: 18b60252c16b550866249634d9a40de3 (MD5) Previous issue date: 2007 | en |
dc.description.tableofcontents | 口試委員會審定書...................................... i
誌謝.................................................. ii 中文摘要.............................................. iii 英文摘要.............................................. iv 目錄.................................................. v 圖表目錄.............................................. vii 符號表................................................ x 第一章 緒論......................................... 1 1.1 全文概述....................................... 1 1.2 研究動機與目的................................. 2 1.3 文獻回顧....................................... 3 第二章 理論分析與實驗規劃........................... 6 2.1 理論分析....................................... 6 2.2 液晶顯像測溫技術概述........................... 9 2.3 粒子影像追跡法................................. 15 2.4 實驗規劃....................................... 16 第三章 實驗設備及實驗方法........................... 17 3.1 實驗設備........................................ 17 3.1.1 非慣性運動系統實驗設備...................... 17 3.1.1.1 旋轉平台............................... 17 3.1.1.2 旋轉水槽............................... 17 3.1.1.3 斜板................................... 18 3.1.1.4 渦漩產生機構........................... 18 3.1.2 溫度控制及感測裝置.......................... 19 3.1.2.1 溫度效應產生及溫度控制設備.............. 19 3.1.2.2 溫度感測器.............................. 19 3.1.3 流場顯影及影像擷取裝置...................... 20 3.1.3.1 光源.................................... 20 3.1.3.2 染料施放裝置............................ 20 3.1.3.3 流場顯影粒子............................ 20 3.1.3.4 影像擷取裝置............................ 21 3.1.3.5 工作平台................................ 21 3.2 實驗方法........................................ 22 3.2.1 染料施放法.................................. 22 3.2.2 液晶顯像技術................................ 22 3.2.3 雷射切頁顯影法.............................. 24 第四章 結果與討論................................... 25 4.1 渦漩行進路徑.................................... 25 4.2 水平速度場...................................... 27 4.3 液晶感溫粒子校正................................ 29 4.4 垂直速度及溫度場................................ 30 第五章 結論與未來展望............................... 32 5.1 結論............................................ 32 5.2 未來展望........................................ 32 參考文獻.............................................. 33 圖表.................................................. 38 | |
dc.language.iso | zh-TW | |
dc.title | 利用液晶顯像技術量測斜壓渦漩之速度及溫度場 | zh_TW |
dc.title | An Application of Particle Image Velocimetry/Thermometry (PIV/T) in Baroclinic Vortex Measurement | en |
dc.type | Thesis | |
dc.date.schoolyear | 95-2 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 張建成(Chien-Cheng Chang) | |
dc.contributor.oralexamcommittee | 陳國慶(Kuo-Ching Chen),郭志禹(Chih-Yu Kuo),楊適壕(Shih-HaoYang) | |
dc.subject.keyword | 科氏效應,斜壓渦漩,液晶感溫粒子,粒子影像追跡法,液晶顯像技術, | zh_TW |
dc.subject.keyword | Coriolis effect,Baroclinic vortex,Thermochromic Liquid Crystal (TLC),Particle Tracking velocimtry (PTV),Particle Image Velocimetry / Thermometry (PIV/T), | en |
dc.relation.page | 78 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2007-08-31 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 應用力學研究所 | zh_TW |
顯示於系所單位: | 應用力學研究所 |
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