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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/31701完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 劉懷勝 | |
| dc.contributor.author | Alexander Chen | en |
| dc.contributor.author | 陳思源 | zh_TW |
| dc.date.accessioned | 2021-06-13T03:17:56Z | - |
| dc.date.available | 2011-02-16 | |
| dc.date.copyright | 2006-07-31 | |
| dc.date.issued | 2006 | |
| dc.date.submitted | 2006-07-28 | |
| dc.identifier.citation | Basic, A. & M. P. Dudukovic (1995). 'Liquid Holdup in Rotating Packed-Beds - Examination of the Film Flow Assumption.' American Institute of Chemical Engineers Journal 41(2): 301-316.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/31701 | - |
| dc.description.abstract | 旋轉填充床,乃是利用液體及氣體於離心力場中進行接觸以增強質傳,應用旋轉填充床於各種化工程序之技術亦稱為高重力技術。過去關於旋轉填充床之研究則包含了各種操作參數對質傳效果之影響,壓降、反應時間、液體滯留量等各方面。
本論文主要目的在於研究旋轉填充床中,填充床之內外半徑對質傳效果之影響。研究中以水吸收有機揮發物為系統,在不同內外半徑組合下進行實驗,以其總括氣膜體積質傳係數(KGa)之大小比較質傳效果之優劣。 由實驗結果可以看到,吸收效能與物種之亨利常數呈反向關係,且隨氣液流量及轉速增加而上升。而旋轉填充床之內外半徑與質傳係數間有明顯關聯。固定外半徑時,質傳係數隨內半徑之增加而上升;固定內半徑時,質傳係數隨外半徑之增加而下降;固定徑向厚度時,質傳係數則隨其徑向位置之增加而下降,以上除填充物之外,尚有包含端效應之影響。 將實驗結果求出一迴歸式,此迴歸式考慮端效應之影響,可以合理描述不同操作、設計參數下,旋轉填充床之總括體積氣膜質傳係數。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2021-06-13T03:17:56Z (GMT). No. of bitstreams: 1 ntu-95-R93524069-1.pdf: 4706146 bytes, checksum: 283ba814836889e0d5110517f1f5b08e (MD5) Previous issue date: 2006 | en |
| dc.description.tableofcontents | 中文摘要 I
英文摘要 II 目錄 III 表目錄 VI 圖目錄 VII 第一章 緒論 1 1.1 前言 1 1.2 研究目的 2 第二章 文獻回顧 3 2.1旋轉填充床之簡介 3 2.1.1超重力旋轉填充床原理與構造 3 2.1.2旋轉填充床之應用及其優點 6 2.1.3旋轉填充床的發展 6 2.2旋轉填充床的特性 10 2.2.1壓降 10 2.2.2 液體滯留量 13 2.2.3 液體流態 14 2.2.4 液體滯留時間 16 2.2.5 質傳係數 17 2.2.6 旋轉填充床尺度特性 21 第三章 實驗裝置、藥品與實驗方法 33 3.1實驗裝置 33 3.2實驗藥品及分析儀器 34 3.3實驗方法 35 3.4 氣膜質傳係數求法 36 第四章 結果與討論 40 4.1 氣體流量對質傳效果之影響 40 4.2 液體流量對質傳效果之影響 41 4.3 溶質揮發度對質傳效果之影響 41 4.4 轉速對質傳效果之影響 46 4.5 填充床體內外徑差異對質傳效果之影響 46 4.5.1 固定內徑 改變外徑 47 4.5.2 固定外徑 改變內徑 47 4.5.3 固定徑向厚度 改變徑向位置 48 第五章 結論 83 符號說明 84 | |
| dc.language.iso | zh-TW | |
| dc.subject | 端效應 | zh_TW |
| dc.subject | 旋轉填充床 | zh_TW |
| dc.subject | 高重力 | zh_TW |
| dc.subject | End Effect | en |
| dc.subject | HiGee | en |
| dc.subject | RPB | en |
| dc.title | 旋轉填充床中床體內外半徑對質傳影響之研究 | zh_TW |
| dc.title | The Effect of Various Bed-Radii on Mass Transfer in a Rotating Packed Bed | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 94-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 戴怡德,林佳璋,陳昱劭 | |
| dc.subject.keyword | 旋轉填充床,端效應,高重力, | zh_TW |
| dc.subject.keyword | RPB,End Effect,HiGee, | en |
| dc.relation.page | 114 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2006-07-30 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 化學工程學研究所 | zh_TW |
| 顯示於系所單位: | 化學工程學系 | |
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