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| 題 名 | Laminar Separating Flow Over a Symmetric Cavity in Drinking Water Pipes=自來水配水系統中對稱性孔穴流場之研究 |
|---|---|
| 作 者 | 盧重興; 簡志益; 李連堯; | 書刊名 | 中國工程學刊 |
| 卷 期 | 20:6 1997.11[民86.11] |
| 頁 次 | 頁701-708 |
| 分類號 | 445.24 |
| 關鍵詞 | 流場; 對稱性孔穴; 配水系統; 自來水水質; Drinking water quality; Distribution system; Fluid flow field; Symmetric cavity; |
| 語 文 | 英文(English) |
| 中文摘要 | 本研究的目的在探討自來水配水管網中直管與稱性孔穴中的流況分佈。在推導過程中利用 外顯有限差分法,去解由Navier-Stokes方程式及連續方程式所建立的無因次化統御方程式。由模式 的預測結果與文獻中的解析解相比較,得到不錯的一致性。在研究中除可瞭解分離流、循環流及停 滯流對配水系統所造成的負面影響外,同時更可進一步結合污染物傳輸模式、餘氯消耗模式及微粒 運動方程式,去描述配水系統中微生物的消長情形。 |
| 英文摘要 | This paper describes the determination of fluid flow fields for pipes on the dead end or off the main network branch consisting of a straight pipe and a symmetric cavity in a drinking water distribution system. The Navier-Stokes equation and the continuity equation were normalized into dimensionless form and solved by the explicit finite difference scheme. The performance of the model is validated by com- paring its predictions with the existing analytical solutions available in the literature. The model is then applied for determining fluid flow fields of a flow over a symmetric cavity in a drinking water distribu-tion system. |
本系統中英文摘要資訊取自各篇刊載內容。