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題 名 | 親水性與疏水性塗料對水下潛體減阻研究=Drag Reduction on Submerged Body Coated with Hydrophilic and Hydrophobic Paints |
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作 者 | 吳聖儒; 許政行; 林聰得; | 書刊名 | 中正嶺學報 |
卷 期 | 34:1 民94.11 |
頁 次 | 頁215-226 |
分類號 | 465.6 |
關鍵詞 | 水下潛體; 表面摩擦阻力; 塗裝減阻; 親水性; 疏水性; 高分子塗料; Submerged body; Skin-friction resistance; Drag reduction by coating; Hydrophilic; Hydrophobic; Polymeric coatings; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用表面塗裝減阻的方式,針對一幾何外形流線之軸對稱體以作為水下潛體模型,並施以各種高分子減阻塗料,其中高分子減阻塗料可區分為親水性與疏水性兩類,以不同的流速去量測及皆析其阻力間的差異,探討層之表面特徵及其減阻機制與成麥,可供實際應用上之參考。實驗中流垤速度由0.5m/s至1.9m/s的範圍內(Re=0.66×106~205×106),各項塗料的試驗結果顯非皆有其減阻成效,在此流場速度範圍內疏水性減阻塗料表現較優於親水性減阻塗料;但我們在此預測,當流速很高時,親水性的塗料應該會有很好的減組效果。 |
英文摘要 | In the present study, a streamlined and axis-symmetry model coated with various polymeric coatings was used to test the efficacy of drag reduction underwater. Polymeric coatings can be divided into two kind: Hydrophilic and Hydrophobic. The resistances of submerged model coated with various polymeric coatings were measured on different flow speeds; these results were provided for studying the difference of efficacy among various polymeric coatings on the drag reduction of submerged body. The feature of drag reduction of hydrophobic coatings is better than that of hydrophilic coatings within measured flow speeds; but we predict that maybe there will be high performance of drag reduction for hydrophilic coatings as flow speed is very fast. |
本系統中英文摘要資訊取自各篇刊載內容。