overfall 中文意思是什麼
overfall
解釋
潮流-
According to the hydraulic property of overflow weirs under steady flow, the flow patterns of overflow weirs were classified into free overfall and submerged overfall, and numerical models for unsteady flow were established to simulate the two flow patterns respectively
摘要為了對保水堰的交替水流進行數值模擬，依據保水堰恆定流情況下的工作特性，將保水堰的水流形態分成堰流和滿流兩種狀態，分別建立保水堰不同流態下的非恆定流數學模型。 -
B. overfall valve, reductor valve for ensuring stable system pressure
溢流閥，減壓閥，以保證系統的穩定壓力。 -
Based on an analysis of the mechanism of flow pattern alternation, approximate criterion for flow pattern alternation was formulated, and a numerical model was worked out for simulation of free overfall and submerged overfall alternation by combination of the above two models
分析兩種不同水流形態的交替機理，建立兩種水流的轉換條件，聯立兩種不同形態的數學模型構成保水堰的堰流和滿流交替的非恆定流數學模型。
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