此补强方法对水流流态干扰较少，水头损失小。
The method disturbs the flow pattern relatively less and the water head loses in small.
消力池水流流态受下游水深控制，可以分为四种流态。
The flow condition in the plunge pool is controlled by the water depth downstream and can be classified into 4 kinds.
过渡段内的水流流态直接影响有压流段的运行安全与稳定。
The water state of the transition section has direct effects to operational safety and stability of pressure flow section.
在明渠水力计算中，常需要计算临界水深，以判别水流流态。
Critical water depth is usually calculated to distinct the state of water current.
氧化沟弯道处设置导流墙以改善水流流态，提高氧化沟的运行效果。
The guide wall of oxidation ditch can improve the distribution of flow velocity on downstream section and reduce resistance at bend.
山区型河道因河势变化急剧而产生的局部阻力对水流流态影响较大。
For a mountainous river, because of the great variation of river morphology along flow route, the local energy loss has a great impact on hydrodynamics.
河岸码头建筑物势必导致其上游水位壅高及对码头附近水流流态产生影响。
A dock construction built on a river bank causes naturally the water level upstream to rise and influences the local flow pattern.
试验分析认为，水流流态，壁面粗糙度和壁面曲率对边界层特性有明显的影响。
Analytical results show that the now pattern, wall roughness and wall curvature have obviously effect on the boundary layer hydraulic characteristics.
结果表明：此种消能工能改善台阶式溢洪道的水流流态，大幅度地减小水流流速。
The results indicate that this kind of energy dissipation function can improve the water flow regime in the stepped spillways and reduce the flow velocity by a wide margin.
水工模型试验表明，这种构筑物对于改善河道行洪口门的水流流态具有明显的效果。
It is demonstrated from the hydraulic modeling that the structure has an obvious effect on the improvement of flow pattern near the river opening for flood discharge.
因此，研究过渡段内的水流流态对于选择合理的过渡段型式与尺寸，具有重要的意义。
Therefore, it is of great significance to research the water state of the transition section for selecting a reasonable type and size for it.
本文通过理论分析和模型试验研究了越过矩形分流墩的水流流态及墩上游自由水面特性。
The property of the flow over a rectangular splitting-flow pier is studied by means of theoretical analysis combined with series of model tests.
在自由流和淹没流时，只要水流运动满足动力相似准则就可达到泄洪洞水流流态的相似；
In free flow pattern and submerged flow pattern, as long as flow movement meet the dynamic similar criterion can reach the similarity of spillway tunnel flow pattern;
小浪底工程由于水头高、泄水建筑物组合多，水流流态十分复杂，下游防护设计是一难题。
Protection design for lower reaches of the Yellow River was once a difficult question due to high water head, various combinations of discharging structures, and complex flow pattern.
水流进入弯道后将做曲线运动，在离心惯性力和重力的共同作用下，水流流态变得异常复杂。
The water current will do curve movement after getting into the bend channel, under the together function of centrifugal inertial force and gravity, and the fluid state becomes exceptionally complex.
试验结果表明，出水池长度较长，收缩角较小的高位井中的水流流态较好，但池内泥沙淤积程度较重。
Test results show that the flow regime is good in a head tank with a greater length of the outlet pond and a smaller contract angle, while the sediment deposition is heavy.
试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。
The test shows the flow in the modified forebay is remarkably improved, the efficiency of the pump raised and the sludge deposit reduced.
采用水力模拟的方法对两个不同结构尺寸的污水泵站高位井的水流流态、泥沙淤积及水头损失等进行了模型试验。
The flow regime, sediment deposition and the loss of head of two head tanks of the sewage pumping station with different dimensions are studied by using a hydraulic model test method.
侧收缩作用影响闸后水流流态，降低泄水建筑物的过流能力，因此需要采取一定的工程措施来改善过流条件，减少侧收缩作用。
The side shrinkage action affects the flow pattern and reduces the overflowing capacity, so it needs some engineering methods to improve the overflowing condition.
主要的研究内容及成果如下：1。介绍了泄洪闸四种体型结构布置形式，通过模型试验研究了四种体型的泄流能力及水流流态。
The principal content and achievement are concluded as followed: 1. Based on the model tests of four schemes, the flow patterns and discharged capability have been known.
现对跌坎式底流消能工消力池内水流流态的演变进行了初步分析，随着入池能量的变化，消力池中会产生混合流、淹没混合流、淹没底流以及远驱底流流态。
With the change of in-take energy, the flow patterns in the stilling basin are:mixed flow, submerged mixed flow, submerged bottom floor and far-forth drove bottom floor.
本文研究内容包括两方面，一是通过研究系统内部气体压力变化，掌握复氧机理，解释人工快渗系统的主要复氧过程；二是通过示踪试验对人工快渗系统的水流流态进行分析。
This paper contains two main parts: First, through studying the air pressure change of the system, grasp the mechanism of oxygen restoration, explain the main oxygen restoration process of.
在整个水深范围内，水流流速样本系列服从正态布分。
The model is the theoretical foundation of the method for water flow velocity measuring.
在整个水深范围内，水流流速样本系列服从正态布分。
The model is the theoretical foundation of the method for water flow velocity measuring.
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