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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 陳希立 | |
dc.contributor.author | Pin-Ju Tseng | en |
dc.contributor.author | 曾品儒 | zh_TW |
dc.date.accessioned | 2021-06-17T02:45:53Z | - |
dc.date.available | 2017-08-25 | |
dc.date.copyright | 2017-08-25 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2017-08-15 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/68990 | - |
dc.description.abstract | 本研究之目的在於探討傾斜式循環流體化床之操作限制,透過實驗研究在不同外氣狀態及吸濕材參數下,可達成循環定義之最小空床速度與實際操作風速,及其衍生出之單位重量空氣吸附量與除濕量。同時以該實驗結果為依據,訂定流體化床之設計流程。實驗結果首先顯示,通過對床體間流道之循環操作限制於:粒子球形度、靜電、逆風、粒子流量與吸濕材填充厚度等參數。同時床體間流道之循環操作,受吸濕材之材料強度及密度所影響。其次,根據實驗結果,影響可循環之最小空床速度程度較大的參數,為單位面積之平均吸濕材填充重量,呈正相關;而吸濕材種類及吸附床入口狀態影響較小,在風速之解析度為0.5 m/s的情況下,無明顯之影響。最後,根據實驗結果及推測之參數關係,完成循環式流體化床之五步驟設計流程,提供未來產業化之重要參考。 | zh_TW |
dc.description.abstract | The purpose of this study is to discuss operating limitations of inclined circulating fluidized bed. With different conditions of inlet air and parameters of desiccants, minimum of circulating wind speed and related parameters can be found by experiments. And according the results of the experiments, the design method of fluidized bed can also be set out. First, by the observation of the paths between beds, the main reason causing the paths’ jamming can be conjectured to be the sphericity, the static electricity, the direction of the wind in the paths, the flow rate of desiccant particles in the paths and the filling height of desiccant. Besides, the parameters affecting the behavior of desiccant particles in the paths are the material density and strength of desiccants. Second, according to the results of the experiments, the parameter affecting minimum of circulating wind speed most is the average filling amount of desiccants per area, and it presents positive correlation. Finally, according to the results of the experiments and the relations between parameters of beds, the design method of fluidized beds can be set out. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T02:45:53Z (GMT). No. of bitstreams: 1 ntu-106-R04522119-1.pdf: 3425516 bytes, checksum: 2ec148642b7371476cd451dd1f7a6fbd (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 誌謝 i
摘要 ii Abstract iii 目錄 iv 圖目錄 vi 表目錄 viii 符號說明 ix 第一章 緒論 1 1.1 前言 1 1.2 文獻回顧 2 1.3 研究動機與目的 9 第二章 基礎理論 11 2.1 流體化床運作原理 11 2.2 流體化階段 11 2.3 傾斜流體化 14 2.4 粒子分類 15 2.5 吸附原理 17 2.6 除濕系統之性能計算 22 2.7 吸附材料 23 2.8 固定填充床壓力損失之數學理論模型 25 2.9 流體化床壓力損失與最小流體化速度 25 2.10 傾斜流體化床壓力損失與渠道突破速度 26 第三章 研究方法 28 3.1 使用儀器 28 3.2 床體參數 34 3.3 實驗參數 37 3.3.1 更改參數 38 3.3.2 所求參數 39 3.4 實驗流程 39 第四章 結果與討論 41 4.1 床體間流道研究 41 4.2 風速實驗數據及探討 44 4.3 流體化床設計方法 49 4.4 方管設計 58 第五章 結論與建議 60 5.1 結論 60 5.2 建議與未來展望 61 參考文獻 62 | |
dc.language.iso | zh-TW | |
dc.title | 傾斜式循環流體化床之操作限制及設計方法 | zh_TW |
dc.title | Operating Limitation and Design Method of Inclined Circulating Fluidized Bed | en |
dc.type | Thesis | |
dc.date.schoolyear | 105-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 李文興,江沅晉,王榮昌 | |
dc.subject.keyword | 傾斜式循環流體化床,流體化床操作限制,床體間流道設計,可循環之最小風速,流體化床設計流程, | zh_TW |
dc.subject.keyword | inclined circulating fluidized bed,operating limitation of fluidized beds,design of the paths between beds,minimum of circulating wind speed,design method of fluidized beds, | en |
dc.relation.page | 65 | |
dc.identifier.doi | 10.6342/NTU201703482 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2017-08-16 | |
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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