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題 名 | 定量緩變速流灌溉渠道流量計算之研究 |
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作 者 | 吳銘塘; | 書刊名 | 農業工程學報 |
卷 期 | 28:1 1982.03[民71.03] |
頁 次 | 頁66-72 |
分類號 | 434.2571 |
關鍵詞 | 流量計算; 灌溉渠道; |
語 文 | 中文(Chinese) |
中文摘要 | 本文為作者導出之溉灌渠道量水方法之一。乃藉平面測量方法測量渠流廻水曲線上各測點之斷面要素,底坡及水深等資料,再代入依據能量不滅原理導出之流量公式,即可算出所求之未知流量。本法計算流量與量水堰及巴歇爾水槽有同樣之方便,但建當與維護費用則遠比任何其他量水設施為低。 |
英文摘要 | This one of the methods for computing the flow discharge in irrigation channels based on the principle of conservation of energy. The required data for measuring discharge are the short channel length △x, the channel bottom slope So, and the flow depth y as well as the elements of channel section that can be defined entirely by the geometry of the section and the depth of flow. It is very easy to compute the flow discharge in channels by using this method as well as the Weirs and the Parshall flumes. But the costs of the construction and maintenance of this method are very low as compare with that of any other measuring instruments in irrigation channels. |
本系統中英文摘要資訊取自各篇刊載內容。