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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
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dc.contributor.advisor | 陳希立 | |
dc.contributor.author | Chang-Hung Hsieh | en |
dc.contributor.author | 謝長紘 | zh_TW |
dc.date.accessioned | 2021-06-08T05:17:59Z | - |
dc.date.copyright | 2011-08-05 | |
dc.date.issued | 2011 | |
dc.date.submitted | 2011-07-29 | |
dc.identifier.citation | (1) 彥啟森,石文星.空調器的發展歷程與展望,製冷與空調,3,1997:10.16。
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/24187 | - |
dc.description.abstract | 本研究測試蜂巢式矽膠、矽膠、氧化鋁、分子篩填充床在夏天外氣條件下吸附能力。實驗參數為利用不同風速以及脫附溫度,量測得到最佳吸附、脫附時間後,再利用週期式運轉分析不同吸附材料對週期時間性能分析。
吸附材料測試部份,在穩定外氣條件下,在大風速以及高脫附溫度時,四種吸附材料皆具有最佳吸附、脫附能力。而氧化鋁吸附能力最強,50分鐘時平均吸附率為17.2 g/min,但其脫附率最低。而蜂巢式矽膠在10分鐘時吸附率最高16.1 g/min,矽膠填充床則在15分鐘時最高12.3 g/min。分子篩因脫附溫度不夠高,無法再生。 吸附材料週期運轉中,三種材料顯熱有效度皆隨著週期時間增加而下降。蜂巢式矽膠顯熱以及潛熱有效度皆最高,在5分鐘時潛熱有效度達98%。矽膠填充床與氧化鋁填充床則在10分鐘時具最高潛熱有效度約為87%。 本研究以申請專利 週期正逆向泵送之雙流路熱交換裝置 (Patent 台灣: M384936 大陸: 200920167536.7 Patent Pending: 美國、歐洲、日本、加拿大、印度、韓國) | zh_TW |
dc.description.abstract | The study intends to test the ability of adsorption for different kinds of absorbent in summer, such as honey-comb type of silica, silica, activated alumina and molecular sieve-packed bed. The main purpose of the study is using different air velocity and adsorption temperature to obtain the optimization of adsorption and desorption time. In addition, the study also developing a periodic operation of total heat exchanger in order to obtain the performance of each adsorbent.
The study discusses different types of adsorbent in a fixed condition. In the case of higher air velocity and adsorption temperature, all the adsorbent have better performance compare with the lower one. Especially the activated alumina which has maximum adsorption rate of 17.2 g/min but with minima desorption rate in average time of 50 minutes. While for honey-comb type of silica, it has the highest adsorption rate of 16.1 g/min at 10 minutes. For silica packed bed, it has 12.3 g/min at 15 minutes. But for molecular sieve-packed bed, the desorption temperature is too low to conduct the desorption process. According to the experiment measurement of the periodic operative total heat exchanger, the sensible effectiveness of all kinds of the adsorbent will decay as the periodic time increased. For all the adsorbent, the honey-comb type of silica has the highest sensible effectiveness and latent effectiveness of 98% in 5 minutes. For silica packed bed and activated alumina packed bed, both of them have maxima latent effectiveness of 87% each at 10 minutes. The patent of this study is applied. Double Flow-circuit Heat Exchange Device For Periodic Positive and Reverse Directional Pumping (Patent Taiwan: M384936 China: 200920167536.7 Patent Pending: Unit State、Europe、Japan、Canada、India、Korea) | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T05:17:59Z (GMT). No. of bitstreams: 1 ntu-100-R98522315-1.pdf: 2720997 bytes, checksum: 34623814d37bab81b0505730ad692991 (MD5) Previous issue date: 2011 | en |
dc.description.tableofcontents | 誌謝 I
摘要 II Abstract III 目錄 V 表目錄 VII 圖目錄 VIII 符號說明 XIII 第一章 緒論 1 1-1前言 1 1-2 文獻回顧 2 1-2.1. 全熱交換器 2 1-2.2. 吸附材料 4 1-3 研究動機與目的 6 第二章 理論數學模型 11 2-1 全熱交換器運作原理 11 2-2 全熱交換器的實際應用 12 2-2.1. 回復式熱交換器 12 2-2.2. 再生式全熱交換器 13 2-2.3. 吸附填充床 14 2-3 週期式運轉原理 15 2-4 數學理論模型 16 2-4.1.吸附原理 16 2-4.2. 吸附材料等溫吸附曲線 16 2-4.3. 吸附填充床數學理論模型 18 2-5 有效度計算原理 25 第三章 研究方法 37 3-1 實驗方法 37 3-1.1.系統簡介 37 3-1.2 實驗設備與量測儀器 39 3-1.3 實驗儀器校正 42 3-1.4 實驗方法 43 3-1.5 實驗參數 43 3-1.6 實驗流程 44 3-1.7 誤差分析 45 第四章 結果與討論 57 4-1 吸附材料性能測試 57 4-1.1. 蜂巢式矽膠 57 4-1.2. 矽膠填充床 58 4-1.3 氧化鋁填充床 59 4-1.4. 分子篩填充床 59 4-1.5. 吸附材料性能比較 60 4-1.6 理論模式質傳係數比較 61 4-2 週期式運轉 63 4-2.1. 蜂巢式矽膠週期運轉 63 4-2.2.矽膠填充床週期運轉 63 4-2.3. 氧化鋁填充床週期運轉 64 4-2.4. 分子篩填充床週期運轉 65 4-2.5. 吸附材料之填充床週期運轉比較 65 第五章 結論與建議 146 5-1 結論 146 5-1.1. 吸附材料性能 146 5-1.2. 吸附材料之週期式運轉 147 5-2 建議 148 參考文獻 149 | |
dc.language.iso | zh-TW | |
dc.title | 週期式運轉全熱交換器之吸附材料性能研究 | zh_TW |
dc.title | Performance Investigation of the Adsorbent in the Periodic Operative Total Heat Exchanger | en |
dc.type | Thesis | |
dc.date.schoolyear | 99-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 李文興,張至中,江沅晉 | |
dc.subject.keyword | 全熱交換器,吸附材料,填充床,有效度, | zh_TW |
dc.subject.keyword | Total heat exchanger,Adsorbent,Packed-bed,Effectiveness, | en |
dc.relation.page | 151 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2011-07-29 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
顯示於系所單位: | 機械工程學系 |
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