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題 名 | Creeping Coaxial Motion of Permeable Spheres(2),(3):Identical Spheres with Unequal Permeabilities, Two Spheres with Unequal Sizes=兩球體在同軸上之緩慢運動(2) 大小相同但滲透度不同之球體、(3) 大小不同之球體 |
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作 者 | 談駿嵩; | 書刊名 | Journal of the Chinese Institute of Chemical Engineers |
卷 期 | 17:2 1986.03[民75.03] |
頁 次 | 頁99-105 |
分類號 | 460.02 |
關鍵詞 | 同軸; 球體; 運動; 滲透; |
語 文 | 英文(English) |
中文摘要 | 本文是研討兩個大小相同但滲透度不同之球體以及兩個大小不同之球體以同等速度在相同或相對方向運動之情形。達西方程式及史道克方程式分別用來描述球內及球外之流體,利用雙極化座標可算出兩個球體在表面為滑動條件下所受之力。滲透度、表面滑動、兩球間距離及不同大小之比對所受之力的影響本文亦加以討論。 |
英文摘要 | The motions of two identical spheres with unequal permeabilities and two spheres with unequal sizes moving with equal velocity parallel to their line of centers and toward each other in a viscous fluid were studied. The Darcy equation and Stokes equation were used to describe the flow fields inside and outside the spheres, respectively. The solutions to these equations in the bipolar coordinates were obtained and used to calculate the hydrodynamic forces required to maintain the motions of these two spheres. The effects of permeability, degree of slip, distance between two spheres and ratio of two spheres on the hydrodynamic forces were studied. |
本系統中英文摘要資訊取自各篇刊載內容。