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頁籤選單縮合
題 名 | Flow Properties of an Interactive Particle Under Different Particle Arrangements=在不同周遭粒子排列下之粒子流動特性 |
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作 者 | 陳榮哲; 盧裕能; | 書刊名 | 中國機械工程學刊 |
卷 期 | 20:5 1999.10[民88.10] |
頁 次 | 頁477-489 |
分類號 | 440.137 |
關鍵詞 | 粒子; 流動; Particle interactions; Multi-phase flow; Drag measurement; Wake structure; Particle image velocimetry; |
語 文 | 英文(English) |
中文摘要 | 本文實驗探討在不同粒子分佈情形下對單一粒子周遭流動結構與所受阻力之影響 。在採用甘油水溶液為測試液體並配合精密電子天平的使用下,完成於一般工業應用之粒子 雷諾數 (<200) 範圍之粒子阻力量測。對單一粒子在周遭均等尺寸粒子於各種不同之幾何排 列方式下所承受的阻力有詳盡的探討。 同時,流況觀測與質點影像測速儀 (PIV) 亦應用來 觀測或量測於粒子作用區之瞬間與平均的流體力學特徵。最後就所量得之阻力與流場結構訊 息進行關聯。 |
英文摘要 | The flow characteristics of an interactive particle under different particle arrangements are experimentally examined. Direct drag force measurements have been conducted using a high-precision electronic balance on spheres with particle Reynolds numbers less than 200. Equal-sized with particle ranged in several configurations to characterize the particle-and fluid-particle interactions. The flow structure in the particle interaction region is simultaneously studied using both the flow visualization and the PIV technique. Relations between particle drag producton and local flow structure are constructed based on the quantitative data. |
本系統中英文摘要資訊取自各篇刊載內容。