sediment-laden flow 中文意思是什麼
sediment-laden flow
解釋
挾沙水流-
The mean velocity profile of sediment - laden flow can bet divided into two regions. the profiles for both regions follow the logarithmic law. only the von karman universal constants are different from each other
渾水時勻流速分佈可分成兩個流區，兩個流區的分佈均遵循對數規律，只是相應的卡門常數有所不同。 -
The sediment - laden flow fluctuating velocimeter designed in this study has a well static and dynamic charateristic
本文研製的渾水脈動流速儀具有良好的靜、動態特性。 -
The mechanics of sediment - laden flow has been one of the most important subjects in hydraulics and river dynamics
挾沙水流的運動規律是泥沙運動力學中最基本、最重要的研究課題之一。 -
The additional resistance caused by sediment transport of bed - load and suspended load is derived from mean energy equation of sediment - laden flow, and the variation of resistance in sediment - laden flow is discussed
從挾沙水流的平均能量方程出發，得到了推移質附加阻力的計算公式及懸移質附加阻力計算公式，並對挾沙水流的阻力進行了討論。 -
This system of measurement and analysis may prove to be beneficial, to the investigation of turbulent structure of the sediment - laden flow
這一量測分析系統將有助於對渾永紊動結構的深入研究。 -
The turbulent intensity and frequency of the sediment - laden flow are less than those of the clear water flow, but the fundamental structure of the flow remains unchanged
與清水相比較，渾永的紊動強度減小，頻率降低，但基本紊動結構並不改變。 -
The definition and calculation of fractional dimension is introduced briefly. the pressure fluctuation signals are processed by reconstructing the phase space for sediment - laden and aerated flow. the correlation dimensions are calculated for sediment - laden flow, clear water and aerated flow
簡要地介紹了分維的定義和計算，運用相空間重構法對含沙摻氣水流脈動壓強信號進行處理，計算了渾水、清水、摻氣三種不同水流狀況的關聯維數。 -
The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1 -
Experimental study on effect of sediment on velocity distribution in sediment - laden flow
泥沙影響流速分佈規律的試驗研究 -
The surface material is liable to erosion wear with high - velocity sediment - laden flow, hi this paper, sand wear mechanisms are discussed and some effects of significant flow factors on material wear are analyzed ; the possibility of preventing erosion wear with aeration is proposed ; based on test data, the formula for calculating the concrete material wall surface wear rate is derived. it is indicated that the wear rate is related to the air concentration, the strength of material, the flow velocity and the sediment content. it is shown that wear rate can be reduced with the help of flow aeration
分析了空蝕與磨蝕的不同物理特徵；探討了沙粒磨蝕機理，提出了影響磨蝕vi河海大學博士學位論文一的因素；研究了摻氣抗磨的可能性：建立了混凝土材料壁面磨蝕率的計算公式；說明含沙水流對固壁材料的磨蝕率隨摻氣濃度、材料強度的增大而減小，隨水流流速、含沙量的提高而增大；利用摻氣可有效地降低過流表面的泥沙磨蝕率。 -
Influence of sediment - laden flow on infiltration capacity of soil at site of afforestation
人工林地含沙徑流的入滲特性研究 -
Pumping sediment - laden flow at the suitable places in the irrigation canal system is a new way to deal with siltation
泥沙長距離輸送，使絕大部分泥沙進入田間，就可實現引黃灌溉的良性循環。 -
The frictional resistance of the sediment - laden flow is essentially the same as that of the clear water flow within the range of size distribution of sediment used in our experiments
在試驗所採用的泥沙級配的條件下，懸沙水流的阻力特性與清水一致。 -
The mechanism of silt abrasion is studied. specific contents are summarized as following : 1. the research results of turbulent flow, sediment - laden, aerated flow and silt abrasion are introduced
對紊動水流、含沙水流、水氣兩相流及泥沙磨蝕的研究狀況進行了綜述，提出了本文的研究對象和擬採取的技術路線。
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