open channel flow 中文意思是什麼
open channel flow
解釋
明槽流-
Numerical simulation of compound open channel flow
復式明渠水流運動的數值模擬 -
Standard test method for open channel flow measurement of water with broad - crested weirs
用寬口堰測量明渠水流量的標準試驗方法 -
Subcritical open channel flow
摸亞臨界流 -
Fluid physical properties, pressure measurement, forces due to static fluids, bernoulli ' s equation, general energy equation, energy losses due to friction, pipe line systems, pump selection and application, open channel flow
本課程含流體物理性質、壓力測量、沉體平面和曲面所受作用力、柏努利方程式、一般能量方程式、摩擦形成的能量損失、管線系統、明渠流、泵的選擇與應用。 -
And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough
最後結合污水流動的最小設計流速與顆粒起動流速、臨界不淤流速的關系進行了分析，結論如下: （ 1 ）文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的，由於污水管道流動多為重力流，是明渠流中的一種，所以文中的分析在認識污水流動特性方面具有一定的參考價值。 -
The open - channel flow - measuring system described in this paper is used for the measurement of the waste discharge in the city or from the factories
本文所描述的明渠流量測量系統是用於對屬于明渠流動范疇的城市和工礦企業的污水排放進行流量計量的。 -
In order to measure water usage in the plain irrigation region, economic and flexible flow measure method should be chosen at the prerequisite of making good use of exiting water works. considering the reality that the irrigation devices are usually various and the exiting open - channel flow meters are costly and inflexible, the chosen field unit should be general and worth
考慮到平原灌區中的灌溉形式和量水設施的多樣化，現有的明渠流量計通用性、靈活性差，所選擇的現場單元應具備通用、測控一體、性價比高的特點，既實現不同測流方案的流量計算，又達到控制水量的目的。 -
A series of experiments on the motion characteristics of light polystyrene particles and heavy glass particles were carried out in open channel flow
對輕質沙和重顆粒在明槽水流中的運動特性進行試驗，明確提出了顆粒運。 -
Standard test method for open - channel flow measurement of water with palmer - bowlus flumes
Palmer - bowlus量水槽測量水的明渠流量的標準試驗方法 -
Standard test method for open - channel flow measurement of water by velocity - area method
用速度面積法測量明渠水流量的標準試驗方法 -
Open channel flow exists widely and its numerical simulation is of reality
明渠水流運動在實際工程中廣泛存在，其數值模擬研究有現實意義。 -
Standard guide for selection of weirs and flumes for open - channel flow measurement of water
用於明渠水流量測量的溢流堰和斜槽的選擇的標準導則 -
Standard test method for open - channel flow measurement of water indirectly by slope - area method
使用比降面積法迂迴測量明渠水流流量的標準試驗方法 -
Standard test method for open channel flow measurement of water indirectly by using width contractions
使用收縮寬度法迂迴測量明渠水流流量的標準試驗方法 -
In this paper, based on achievement of flow with partly vegetated channel of predecessors, according to vegetation types, the flow over flexible bottom vegetation and rigid one is experimentally studied. the main researches as follows : 1. open channel flow over flexible bottom vegetation is studied experimentally
本文較系統地總結了前人對有植被的河道水流問題的研究成果，將有植被的河道水流問題分為兩大類： （ 1 ）流經柔性植被的河道水流問題， （ 2 ）流經剛性植被的河道水流問題，本文分別進行試驗研究。 -
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。 -
A measurement system was developed based on flow visualization and image processing techniques, which can be used to investigate the spatial structure of low - speed streaks in the near wall region of turbulent open channel flow
基於流動顯示和圖像處理技術，獨立開發了明槽紊流近壁區帶狀結構的實時測量系統。 -
In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques
本文以試驗研究為主要手段，採用流動顯示和圖像處理技術，從水槽底部和側面兩個方向測量，分別對明槽紊流近壁區的帶狀結構及顆粒運動特性進行了系統的試驗研究。 -
A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed
在水力光滑區和過渡區對明槽紊流近壁區的帶狀結構進行試驗，測量並分析了帶狀結構的分佈，首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。 -
Test method for open channel flow measurement by acoustic velocity meter systems
用傳聲速度計系統測試明渠流量的試驗方法
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