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| ???org.dspace.app.webui.jsptag.ItemTag.dcfield??? | Value | Language |
|---|---|---|
| dc.contributor.advisor | 張所鋐(Shuo-Hung Chang) | |
| dc.contributor.author | Meng-Lun Hsieh | en |
| dc.contributor.author | 謝孟倫 | zh_TW |
| dc.date.accessioned | 2021-06-15T11:22:30Z | - |
| dc.date.available | 2021-08-26 | |
| dc.date.copyright | 2016-08-26 | |
| dc.date.issued | 2016 | |
| dc.date.submitted | 2016-08-17 | |
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[56] 陳廷旭, '石墨烯/奈米碳管叢之機械性質研究,' 臺灣大學機械工程學研究所學位論文, pp. 1-86, 2014. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/49294 | - |
| dc.description.abstract | 自奈米碳管被發現以來，一直是備受矚目的研究對象，其優秀的機械性質使得大眾對於其應用方面備感興趣，而本研究也是其一。
本研究先探討填鐵奈米碳管於純鋁基材上之生長參數，成長出不同高度以及結構之填鐵奈米碳管叢，再以實驗法來探討填鐵奈米碳管叢對於表面自然對流的影響，藉由量測填鐵奈米碳管叢表面散熱情形，比較在相同環境下、無奈米碳管叢之試片量測數據，探討填鐵奈米碳管的散熱能力與特性，並研究不同高度與結構的填鐵奈米碳管叢對表面熱對流之影響。 本研究發現成長填鐵奈米碳管叢在材料表面時，可以增加近30至50%之自然對流熱交換率，且和環境溫差成正相關，亦即試片和環境之溫差愈大，對流效應導致散熱供率增加之效果愈好。而研究也發現，填鐵奈米碳管對於表面熱對流之增幅效應，並不會隨著高度變化而有所改變，將之做為鰭片狀之形貌也無助於增加散熱效率，說明了填鐵奈米碳管對表面對流之增益乃源自其優異的軸向熱傳導特性。 | zh_TW |
| dc.description.abstract | The research of carbon nanotubes (CNTs) has been remarkable since it was discovered. The excellent promising mechanical properties of CNTs are the most interesting reasons to research. So does the motivation of this thesis.
This thesis discusses the growth procedure of the iron-filled CNTs which is synthesized on aluminum substrate. After synthesizing the different heights and structures of iron-filled CNTs, the effect of the natural convection for iron-filled CNTs by experiment processing are also be mentioned. In the same environment, it compares the ability of heat dissipation efficiency which caused by natural convection between the sample of iron-filled CNTs and the other without. After that, there is an analysis of heat dissipation efficiency for the iron-filled CNTs in different heights and structures. In this research, the material surface with iron-filled CNTs improves heat convection efficiency from 30% to 50%, which is proportional to the temperature difference between the specimen and environment. The effect on the higher iron-filled CNTs is similar, and even the one in fin-like still not able to perform better heat dissipation efficiency. Therefore, we can conclude that the gain of the convection by iron-filled CNTs is due to the outstanding axial thermal conductivity. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T11:22:30Z (GMT). No. of bitstreams: 1 ntu-105-R03522639-1.pdf: 5364459 bytes, checksum: ec486bc150e3f70cbd1914047dbcc34e (MD5) Previous issue date: 2016 | en |
| dc.description.tableofcontents | 致謝 i
摘要 ii Abstract iii 目錄 iv 圖目錄 vii 表目錄 xi 第一章 緒論 1 1.1 前言 1 1.2 研究動機 2 第二章 文獻回顧 3 2.1 奈米碳管 3 2.1.1 奈米碳管基本性質 3 2.1.2 奈米碳管製備方法 8 2.1.3 奈米碳管成長機制 12 2.1.4 填鐵奈米碳管叢 16 2.2 奈米碳管之散熱 19 第三章 實驗架構與原理 27 3.1 實驗設計與架構 27 3.1.1 實驗流程 28 3.1.2 試片設計 30 3.2 基本填鐵奈米碳管叢製備方法 33 3.2.1 填鐵奈米碳管叢製備 33 3.2.2 製備結果分析與檢測 36 3.3 石墨烯製備方法 38 3.3.1 石墨烯製備 38 3.3.2 製備結果檢測 40 3.4 實驗數據分析 41 3.4.1 實驗數據計算 41 3.4.2 誤差來源 42 第四章 實驗結果與討論 44 4.1 填鐵奈米碳管叢製備 44 4.1.1 不同高度之填鐵奈米碳管叢製備 44 4.1.2 不同形貌之填鐵奈米碳管叢製備 56 4.2 銅箔、鋁箔以及填鐵奈米碳管對散熱功率之影響 58 4.2.1 貼鋁箔相較於純銅塊散熱功率之影響 58 4.2.2 貼銅箔相較於貼鋁箔散熱功率之差異 61 4.2.3 填鐵奈米碳管對於散熱功率的影響 64 4.3 填鐵奈米碳管叢高度對散熱功率之影響 67 4.4 填鐵奈米碳管叢表面形貌對散熱功率之影響 71 4.5 填鐵奈米碳管加上石墨烯對散熱功率之影響 73 第五章 結論與未來展望 77 5.1 結論 77 5.2 未來展望 78 參考文獻 79 | |
| dc.language.iso | zh-TW | |
| dc.subject | 自然對流 | zh_TW |
| dc.subject | 填鐵奈米碳管叢 | zh_TW |
| dc.subject | 散熱 | zh_TW |
| dc.subject | Iron-filled carbon nanotube | en |
| dc.subject | Natural convection | en |
| dc.subject | Heat dissipation efficiency | en |
| dc.title | 奈米碳管叢之表面熱對流效率探討 | zh_TW |
| dc.title | Thermal Convection Using Carbon Nanotube Forest Device | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 104-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.coadvisor | 蘇志中(Chih-Chung Su) | |
| dc.contributor.oralexamcommittee | 黃昆平(Kun-Ping Huang),施文彬(Wen-Pin Shih) | |
| dc.subject.keyword | 填鐵奈米碳管叢,自然對流,散熱, | zh_TW |
| dc.subject.keyword | Iron-filled carbon nanotube,Natural convection,Heat dissipation efficiency, | en |
| dc.relation.page | 83 | |
| dc.identifier.doi | 10.6342/NTU201603171 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2016-08-19 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| Appears in Collections: | 機械工程學系 | |
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| ntu-105-1.pdf Restricted Access | 5.24 MB | Adobe PDF |
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