懸移質運動 的英文怎麼說
中文拼音 [xuányízhíyùndòng]
懸移質運動
英文
movement of floating debris- 移 : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 運動 : 運動[舊時用語] arrange things or get things done through pull
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The theory of minimum entropy production or minimum rate of energy dissipation shows that a river is stable when it is in a relative equilibrium condition. ( 3 ) the river facies formulas of alluvial river have been developed using the theory of minimum rate of energy dissipation together with flow continuity and motion equations, suspended load transport or bed load transport equation. ( 4 ) the causes of the river patterns are explained using the theory of minimum rate of energy dissipation
( 3 )基於最小能耗率原理,以水流能耗率作為目標函數,以水流連續方程、水流運動方程及懸移質挾沙力公式或推移質輸沙率公式作為約束條件,通過對目標函數求條件極值,分別推導出以懸移質造床為主的顯式河相關系式和以推移質造床為主的顯式河相關系式。For the case of transporting suspended fine sand, a single - fluid model is used to calculate the flow resistance by solving the navier - stokes equations. the computed agrees well with the measured. and for the case of transporting medium - sized sand, a two - layer model is used and the model produces a good agreement with the experiment data
對管道輸送細沙懸移質的流場,採用單流體模型進行數值求解n - s方程,計算結果與實驗資料相吻合;對具有分層流動的中沙管道水力輸送,採用兩層代數模型進廳了計算分析,阻力損失的預測結果與實驗吻合較好;最後對管道輸送粗沙的阻力特性和運動機理進行了分析探索,提出了進一步研究的方向。A ptv system was developed which allows particle velocities across a flow plane to be measured at a single instant. ptv presents a new efficient technique in hydraulic measurement
該系統具有可靠的精度,能同步量測全剖面的顆粒瞬時運動信息,為懸移質運動量測提供了嶄新的技術手段。According to the theories of the energy dissipation of wave - water and sediment movement and based on the bottom sediment load formula developed by dou guoren, a formula to calculate the transport of the bottom sediment, which includes the bed load and part of suspended load, under the joint action of waves, tidal currents and wind - currents is derived
摘要根據波動水流能量及泥沙運動原理,參考了竇國仁推導底沙輸沙量的方法,推導出波浪、潮流和風吹流共同作用下的底沙輸沙量(包括推移質和部分懸移質輸沙)計算式。The extent of attenuation is proportional to the parameter under some assumptions in open channel flow. the lack of a sound theoretical basis for predicting the behavior of coarse particles means that experiments play a critical role
在明渠二維恆定均勻流條件下,經過適當簡化和假定得到的結果表明,懸移質運動起到減弱流體紊動強度的作用,制紊作用隨參數的加大而增強。The behaviors of each phase and their interaction are significant in the understanding of the intrinsic mechanism of sediment transport. in this paper, analytical and experimental study was carried out to investigate the motion characteristics of suspended particles
本文採用理論分析和試驗研究兩種手段,對懸移質顆粒本身的運動特性及其與水流運動的關系進行了系統的研究。分享友人