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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/95447完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 李岳聯 | zh_TW |
| dc.contributor.advisor | Yueh-Lien Lee | en |
| dc.contributor.author | 王煥傑 | zh_TW |
| dc.contributor.author | Huan-Jie Wang | en |
| dc.date.accessioned | 2024-09-09T16:12:16Z | - |
| dc.date.available | 2024-09-13 | - |
| dc.date.copyright | 2024-09-09 | - |
| dc.date.issued | 2024 | - |
| dc.date.submitted | 2024-08-13 | - |
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Mahmood, "Temperature and concentration dependence of viscosity of aqueous electrolytes from 20. degree. C to 50. degree. C chlorides of (sodium (1+), potassium (1+), magnesium (2+), calcium (2+), barium (2+), strontium (2+), cobalt (2+), nickel (2+), copper (2+) and chromium (3+)," Journal of Chemical and Engineering Data, vol. 34, no. 3, pp. 339-346, 1989. | - |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/95447 | - |
| dc.description.abstract | 台灣位於季風盛行帶上，四面環海，具有發展離岸風電之潛能，因此台灣近幾年除了其他綠色能源，也開始積極開發海上風場，裝設離岸風機用以取得風能。由於離岸風電位於海洋上，屬於嚴重腐蝕區域，離岸風機在進行設計時亦會考慮防蝕措施。台灣的離岸風電屬於新興產業，相關設計規範主要參考國外之規範。其他國家的規範訂定，應是針對該國環境進行，在經過多年實務經驗後設計出的通則。而台灣未有相關自主設計經驗，且環境與多年發展離岸風電之國家差異甚大，溫度較高且海水流速較快，可能產生更加嚴苛的腐蝕環境，參考他國規範可能有防蝕設計上的不足。因此本論文設計符合台灣海域環境之海水溫度與流速進行陰極防蝕法中的犧牲陽極情境模擬，量測其產生之保護電流量，並根據實驗結果進行擬合，建立能夠預測溫度為15 °C至35 °C且流速為0 m/s至2 m/s條件下保護電流之數學方程式，並根據實驗結果得知溫度與流速提高，皆使電流密度上升，但溫度在高溫時之影響較低溫明顯，而流速則相反。 | zh_TW |
| dc.description.abstract | Since Taiwan is located in a monsoon region, it has potential for developing offshore wind power. In recent years, Taiwan has actively pursued the development of offshore wind energy and has begun generating green energy by installing offshore wind turbines. Due to the highly corrosive condition of the offshore environment, corrosion protection is important. Taiwan's relevant design are mainly based on foreign regulations. However, Taiwan's environment differs from another countries, higher temperature and faster ocean flow velocity potentially creating more severe corrosion conditions than foreign. Relying on foreign standards might result in wrong corrosion protection design. In this thesis, cathodic protection using sacrificial anodes is designed according to Taiwan's ocean temperature and flow velocity, and the protective current is measured. Based on the experimental results, a fitting equation is established to predict the protective current under conditions with temperature ranging from 15 °C to 35 °C and flow velocity ranging from 0 m/s to 2 m/s. The results indicate that if temperature and flow velocity increase, the protective current density will also increase. The influence of higher temperature on protective current density is more significant than that of lower temperature, while flow velocity has the opposite effect. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2024-09-09T16:12:16Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2024-09-09T16:12:16Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 致謝 i
中文摘要 ii Abstract iii 目次 iv 圖次 vi 表次 viii 第一章 前言 1 第二章 文獻回顧 4 2.1 離岸風機 4 2.1.1 離岸風機之腐蝕環境 5 2.2 腐蝕與腐蝕機制 6 2.2.1 腐蝕的種類 7 2.2.2 腐蝕機制 9 2.3 腐蝕防治 14 2.4 溫度與流速對保護電流密度之影響 19 2.4.1 溫度之影響 19 2.4.2 流速之影響 21 2.5 數學模型—以溫度為變數 24 2.6 數學模型—以流速為變速 26 第三章 實驗設計與方法 29 3.1 實驗與分析流程 29 3.2 實驗裝置與參數設定 30 3.2.1 實驗裝置與實驗架設 30 3.2.2 實驗參數設定 32 3.2.3 試片命名 35 3.3 試片材料與實驗前處理 35 3.4 單參數之擬合方程式選用 37 3.4.1 固定流速下針對溫度之擬合 37 3.4.2 固定溫度下針對流速之擬合 37 3.5 雙參數擬合方程式建立 38 第四章 結果與討論 41 4.1 陰極保護電流量測結果 41 4.1.1 數據處理 47 4.2 固定流速下針對溫度擬合之結果 49 4.3 固定溫度下針對流速擬合之結果 51 4.4 雙參數擬合結果 54 4.5 雙參數擬合方程式討論 56 4.5.1 方程式可行性 59 4.6 參數影響 61 第五章 結論 70 第六章 未來展望 71 參考文獻 72 | - |
| dc.language.iso | zh_TW | - |
| dc.subject | 陰極防蝕 | zh_TW |
| dc.subject | 沖磨腐蝕 | zh_TW |
| dc.subject | 阿瑞尼斯方程式 | zh_TW |
| dc.subject | 保護電流 | zh_TW |
| dc.subject | 離岸風電 | zh_TW |
| dc.subject | erosion corrosion | en |
| dc.subject | Arrhenius equation | en |
| dc.subject | protective current | en |
| dc.subject | cathodic protection | en |
| dc.subject | Offshore wind turbine | en |
| dc.title | 溫度與海水流速對陰極保護電流之影響 | zh_TW |
| dc.title | The influence of temperature and ocean velocity on the cathodic protection current density | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 112-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 羅弘岳;褚喻仁 | zh_TW |
| dc.contributor.oralexamcommittee | Peter Hong-Yueh Lo;Yu-Ren Chu | en |
| dc.subject.keyword | 離岸風電,陰極防蝕,保護電流,阿瑞尼斯方程式,沖磨腐蝕, | zh_TW |
| dc.subject.keyword | Offshore wind turbine,cathodic protection,protective current,Arrhenius equation,erosion corrosion, | en |
| dc.relation.page | 76 | - |
| dc.identifier.doi | 10.6342/NTU202404285 | - |
| dc.rights.note | 同意授權(限校園內公開) | - |
| dc.date.accepted | 2024-08-13 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 工程科學及海洋工程學系 | - |
| dc.date.embargo-lift | 2026-08-14 | - |
| 顯示於系所單位： | 工程科學及海洋工程學系 | |
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