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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 朱錦洲 | |
dc.contributor.author | Yuan-Chi Chang | en |
dc.contributor.author | 張元齊 | zh_TW |
dc.date.accessioned | 2021-06-17T06:14:53Z | - |
dc.date.available | 2018-09-17 | |
dc.date.copyright | 2018-09-17 | |
dc.date.issued | 2018 | |
dc.date.submitted | 2018-09-13 | |
dc.identifier.citation | Abiru, H., & Yoshitake, A. (2011). Study on a flapping wing hydroelectric power generation system. Journal of Environment and Engineering, 6(1), 178-186.
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(2016). Ground effect on the aerodynamics of three-dimensional hovering wings. Bioinspiration & biomimetics, 11(6), 066003. Lua, K., Dash, S., Lim, T., & Yeo, K. (2016). On the thrust performance of a flapping two-dimensional elliptic airfoil in a forward flight. Journal of fluids and structures, 66, 91-109. Lua, K., Lee, Y., & Lim, T. (2017). Water-Treading Motion for Three-Dimensional Flapping Wings in Hover. AIAA journal, 2703-2716. Lua, K., Lee, Y., Lim, T., & Yeo, K. (2016a). Aerodynamic effects of elevating motion on hovering rigid hawkmothlike wings. AIAA journal(0), 2247-2264. Lua, K., Lee, Y., Lim, T., & Yeo, K. (2016b). Wing–Wake Interaction of Three-Dimensional Flapping Wings. AIAA journal, 55(3), 729-739. Michelin, S., & Llewellyn Smith, S. G. (2009). Resonance and propulsion performance of a heaving flexible wing. Physics of fluids, 21(7), 071902. Oberleithner, K., Paschereit, C., Seele, R., & Wygnanski, I. (2012). Formation of turbulent vortex breakdown: intermittency, criticality, and global instability. AIAA journal, 50(7), 1437-1452. Peng, Z., & Zhu, Q. (2009). Energy harvesting through flow-induced oscillations of a foil. Physics of fluids, 21(12), 123602. Platzer, M., Ashraf, M., Young, J., & Lai, J. (2009). Development of a new oscillating-wing wind and hydropower generator. Paper presented at the 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition. Platzer, M., Ashraf, M., Young, J., & Lai, J. (2010). Extracting Power in Jet Streams: Pushing the Performance of Flapping-Wing Technology. Paper presented at the 27th International Congress of the Aeronautical Sciences, Nice, France. Shimizu, E., Isogai, K., & Obayashi, S. (2008). Multiobjective design study of a flapping wing power generator. Journal of Fluids Engineering, 130(2), 021104. Shiono, M., Suzuki, K., & Kiho, S. (2003). 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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/71917 | - |
dc.description.abstract | 現今全球能源的趨勢為使用再生能源,尤其是水力發電。目前水力發電的發展趨勢主要是潮汐發電,一般潮汐發電使用渦輪式發電,但在這裡我們研究另一種發電方式,使用能量擷取器進行發電。能量擷取器最重要的是水翼。因此我分析水翼幾何形狀、擺放位置、轉動效率與能量擷取的關係。
本研究為此題目第一篇。架設實驗需要從零開始。論文中有一部分是在解說實驗架設的流程。包含架設雙水翼系統、選定實驗水翼型號。我選擇了五種水翼進行研究。其中以SARATOV此型水翼轉動功率有最大增益。 本實驗最大的目的是觀察不同型號的雙水翼在特定雷諾數下何種相對位置時會產生最大的轉動效果,進而求出擷取的能量。因軸心固定,所以受力不會作功,不過分析受力可以在往後要製造水翼時有參考的價值。 分析轉動功率以及與雙水翼系統在特定雷諾數之下的效率增益是本實驗的重點部分,可以一目瞭然的看出各水翼的轉動情形,得知轉動情形後我便能依此進一步求出所擷取的能量,達成本研究的目的。 本研究可以得知不同水翼系統在特定雷諾數下擺放位置對轉動功率會有很大的影響。這些影響都直接的反應在能量擷取的回饋上。能量擷取器根據其上安裝的水翼用相對應的排列可以將輸出功率最大化。對於使用能量擷取器的水力發電有相當的幫助。總結所有情形,發現在串聯1.1弦長時影響最劇。 | zh_TW |
dc.description.abstract | Abstract
In recent years, renewable energy is trend around the world, especially Hydroelectric power. The main development currently of Hydroelectric power is tidal stream energy. The majority of existing for tidal devices utilize turbine –based energy converters. I research another energy converters which are energy harvesters. The most important thing of energy harvester is Hydrofoil. So, I analyze the shape, relative position, work efficiency of hydrofoils. This is the first research of the title. I have to install my experiment devices from scratch. There are some parts of this paper explain the process of installing experiment devices, including installing double hydrofoils system, choosing the models of foils. I select five kinds of foils to do my research. The main purpose of this experiment is that observing hydrofoils with different models and defining what relative positions are the hydrofoils product maximum rotational power at specific Reynolds number. Finally, we can calculate the useful energy produced by energy harvester. Because of axis fixed, force acting on hydrofoils cannot do work. Nevertheless, when we start to product the samples of hydrofoils, there are some references of force acting on hydrofoils. Analyzing rotational power and the power gain of double hydrofoils system at specific Reynolds number are final data in the experiment. We can clearly know which relative position each hydrofoils system is. Finally, show pictures of the one cycle situation, which is the maximum power gain of hydrofoils system’s power. By this research, we can know that relative positions of different hydrofoils system make lots of effects at specific Reynolds number. It have the largest power output with the hydrofoils on energy harvesters which arrange at specific relative position. All in all, this research is helpful for energy harvesters used on hydroelectric power. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T06:14:53Z (GMT). No. of bitstreams: 1 ntu-107-R05543077-1.pdf: 33130039 bytes, checksum: b8980117aca71dae73728d46adb7427d (MD5) Previous issue date: 2018 | en |
dc.description.tableofcontents | 致謝 I
中文摘要 III Abstract V 目錄 VII 圖目錄 XI 表目錄 XIV 第一章 緒論 1 1.1前言 1 1.2能量擷取器文獻回顧 2 1.2.1 起伏與轉動運動系統 3 1.2.2 轉動運動與誘導起伏系統 3 1.2.3 固定轉動與起伏系統 4 1.3 研究背景與動機 5 1.4 研究目標 5 第二章 基礎理論 6 2.1 介紹 6 2.2 參數介紹 6 2.2.1 基本物理量 6 2.2.2 無因次參數 6 2.3 水翼的基本名詞 7 2.4 翼型的命名 8 2.5 均勻入流 10 2.6 轉動功率及能量擷取分析 10 第三章 實驗方法 11 3.1 實驗儀器. 11 3.1.1 水洞(Water tunnel) 11 3.1.2 LW-9028二分量感測器(Load Cell) 12 3.1.3 機械手臂 13 3.1.4 CCD攝影機 13 3.1.5 雷射系統 14 3.1.6 滑軌 15 3.1.7 水翼模型 15 3.1.8 軸承及軸心棒 19 3.1.9 軸心棒夾頭 19 3.1.10 二分量感測器架 19 3.2 實驗架設. 20 3.2.1 攝影機架設 20 3.2.2 測試段架設 20 3.2.3 水翼加工安裝 20 3.3 實驗流程. 21 3.3.1 雷射流程 21 3.3.2 流速校正 21 3.3.3 二分量感測器校正 22 3.3.4 主要實驗流程 25 3.3.5 受力取樣 25 3.3.6 現象截圖 25 3.3.7 水翼轉動慣量 25 3.3.8 轉動功率及能量擷取取樣 26 第四章 結果與討論 27 4.1 簡介27 4.2 實驗水翼相對位置 27 4.3 實驗各項參數 28 4.4 水翼擺動週期(T) 28 4.4.1 GOE234: 29 4.4.2 GOE531 30 4.4.3 S1223 RTL 31 4.4.4 SARATOV 32 4.4.5 L1003 33 4.5 史特豪數(St) 34 4.5.1 GOE234 34 4.5.2 GOE531 35 4.5.3 S1223 RTL 36 4.5.4 SARATOV 37 4.5.5 L1003 38 4.6 水翼受力. 39 4.6.1 GOE234 40 4.6.2 GOE531 44 4.6.3 S1223 RTL 48 4.6.4 SARATOV 52 4.6.5 L1003 56 4.6.6 受力結果討論 60 4.7 轉動功率(P) 60 4.7.1 GOE234 61 4.7.2 GOE531 63 4.7.3 S1223 RTL 65 4.7.4 SARATOV 67 4.7.5 L1003 69 4.7.6 轉動功率結果討論 71 4.8 轉動功率總效率增益 71 4.8.1 GOE234 72 4.8.2 GOE531 72 4.8.3 S1223 RTL 73 4.8.4 SARATOV 73 4.8.5 L1003 74 4.8.6 轉動功率總效率增益結果 74 4.9 能量擷取功率及增益 75 4.9.1 能量擷取功率: 75 4.9.2 能量擷取功率增益 76 4.9.3 能量擷取功率及增益結果討論 77 4.10 實驗圖片 78 4.10.1 GOE234(平行雙水翼X=1C,Re=13933): 78 4.10.2 GOE531(串聯1.1C,Re=16516): 79 4.10.3 S1223 RTL(串聯1.1C,Re=25056): 80 4.10.4 SARATOV(串聯1.1C,Re=16516): 81 4.10.5 L1003(Y=0.5C X=0.75C,Re=25056): 82 第五章 結論與未來展望 83 5.1 結論83 5.1.1 週期 83 5.1.2 受力 83 5.1.3 轉動功率 84 5.1.4 轉動功率總效益增益 84 5.1.5 能量擷取功率及增益 84 5.2 未來展望. 85 5.3 誤差討論. 85 參考文獻 86 附錄 89 | |
dc.language.iso | zh-TW | |
dc.title | 在均勻水流中以雙水翼擷取能量之初步研究 | zh_TW |
dc.title | A Preliminary Study of Energy Harvesting by Double Hydrofoils in a Uniform Stream | en |
dc.type | Thesis | |
dc.date.schoolyear | 107-1 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 張建成 | |
dc.contributor.oralexamcommittee | 蕭穎謙,陳弘正,謝政達 | |
dc.subject.keyword | 能量擷取器,水翼,機翼,水力發電,潮汐發電,波浪發電, | zh_TW |
dc.subject.keyword | energy harvester,hydrofoil,foil,Hydroelectric power,tidal stream energy,wave power, | en |
dc.relation.page | 112 | |
dc.identifier.doi | 10.6342/NTU201804113 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2018-09-13 | |
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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