Numerical simulation problems about free water surface and air entrained flows in hydraulic engineering.
本文主要对水利工程中一些涉及自由水面及掺气的流动的数值模拟问题进行研究。
In this program, free water surface condition and boundary condition on seabed and bank are satisfied by means of images.
对自由液面、水底平面和岸壁的各种组合边界条件，在程序中应用映射技巧处理。
The numerical boundary conditions on free water surface and on the surfaces of entry body and container is particularly treated.
本文采用实用的方法处理自由面条件及狭缝两侧的物面条件计算了高速冲头有界入水初始阶段的运动过程。
A three-dimensional numerical model with free water surface and wall shear stress was used to analyze the water flow affected by piers.
该文采用具有自由水面和河床切应力计算的三维数学模型分析了桥墩群对河道水流的影响。
The separated (B4) oil can thus be collected from the relatively ice-free water surface (WL1) with an oil collecting device (200), which may have for example a brush skimmer.
因此能从相对无冰的水面(WL1)上利用油收集装置(200)来收集分离出的油(b4)，该油收集装置可例如具有刷式撇油器。
Sow on the surface of peat-free compost, water when necessary and pick when big enough.
表面要施些有机肥，必要时要浇水，足够大的时候要采摘。
It is the only planet known to have an atmosphere containing free oxygen, oceans of liquid water on its surface, and, of course, life.
也是我们已知的唯一拥有含氧大气、表层液态水海洋以及生命的星球。
A beluga needs to surface for air about every half mile; free flowing water was more than13miles away in baffin bay.
一条白鲸每游半英里就得浮出水面换气，而巴芬湾的未冻水域还有13英里之遥。
Water current problems including relative steady and rather fluctuant free surface were simulating numerically.
对含有相对稳定的和起伏较大的自由水面的水流问题进行了数值模拟。
To reduce energy loss caused by free surface, the open vessel-like structures maybe be filled with water and do closures when conditions are suitable.
为减少自由水面卸载所造成的能量损失，条件适合时可在开口式容器状构筑物中注满水并对顶部做封闭措施。
Strengthen maintenance of poured concrete. Prevent concrete surface free water from losing too quickly.
加强养护，防止混凝土表面游离水蒸发过快。
When the free water that penetrates the internal surface can't be discharged in time, the asphalt and cement concrete pavement may suffer water damage. Then pavement is damaged severely.
当自由水渗入路面内部不能及时排出时，沥青和水泥混凝土路面都可能出现水损害，结果导致路面严重破坏。
It has been known that fluorocarbons have an extremely low surface free energy and they are widely applied for water and oil repellent finishing.
众所周知，氟碳化合物具有极低的表面张力，因此广泛用于拒水拒油整理。
Open channel flow is a sort of generalize for water flow phenomenon, which water stream with free surface be leashed by solid boundary with finity scale.
明渠水流是对具有自由表面的水流在有限尺度的固体边界约束下流动现象的一种概化。
The experimental research of the interaction between a free surface and the internal wave generated by a towed sphere in a stratified fluid is conducted in the water tank.
在静水槽中进行了分层流体中运动物体生成的内重力波与自由面相互作用的实验研究。
Most of the traditional methods used to determinate the free surface profile are based on modifying or changing the grid system to adapt the changing water surface during the iteration process.
提出了自由面适应网格方法，该方法与传统方法相反，即在迭代求解过程中不改变网格而是让浸润线不断地去适应网格，采用网格映射的方法去确定浸润线，直至最后达到允许精度，得到要求的浸润线分布。
When the water level is falling, the free surface line of saturate theory is lower than saturate-unsaturated.
水位下降时，饱和理论比饱和—非饱理论计算的渗流自由面下降要快。
An Implicit conservative scheme for ID unsteady free - surface shallow water flows is presented.
构造了一维非定常自由面浅水流动的隐式守恒差分格式。
Inadequate submergence can result in pre-rotation of the water in the wet-well, resulting in the formation of strong free-surface air core vortices and the entrance of air into the pump suction inlet.
潜水不恰当可能导致湿井内的水预旋转，导致形成强烈的自由表面空气中心漩涡，并使得空气进入泵的吸入进口管道。
The program is utilized to calculate soil rocks dam free surface position variation and pore-water pressure distribution condition with time when the up water level position changed.
利用所编写的非稳定渗流计算程序，计算土石坝上游水位变化时自由面位置随时间的变化规律、孔隙水压力的分布情况。
It is found that three patterns may occur to the flow in the pool including free impact jet, submerge impact jet and surface flow according to the downstream water level.
根据高坝下游水垫深度的不同，塘内水流呈现自由冲击射流、淹没冲击射流和面流三种流型。
The results show that the free settling velocity and the hindered settling rate of fine particles in water have increased after the mineral surface becam…
结果表明，矿粒表面疏水化后，在水中的自由沉降速度和干涉沉降速度均上升，这与理论分析结果相一致。
There is no free water standing on the surface.
没有自由水积聚在表面。
Two commonly used methods of pressurization test of pipelines with free-surface in best common are close water test and close gas test.
闭水试验和闭气试验是无压管道进行严密性试验最常采用的两种试验方法。
Base course treatment - the base course surface shall be smooth, solid and free from acute angles, floating dust or water, and go through good waterproof node processing as required in the design.
基层处理——基层表面应平整，坚实、无尖锐角、浮尘和明水，并按设计要求做好防水节点处理。
It is concluded that the surface free energy and water absorption of the copolymer are decreased with increasing of silicone content.
试验结果表明，共聚物的表面自由能和吸水率随聚硅氧烷含量增加而下降。
By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.
本文采用有限元法，就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。
The utility model discloses an irrigation-free plant wall body. Supporting bases filled with mud fertilizer and water-keeping material are arranged on the wall surface every other certain height.
本实用新型公开了一种免灌溉植物墙体，它在建筑墙面上每隔一定高度设置一基托，基托上填充有泥土肥料及保水材料。
The effect of dosage of montmorillonite on surface free energy, water adsorption and drying time were studied in this paper.
在土豆干燥中 ，常采用间歇干燥工艺以缩短净干燥时间、降低有效能耗和提高干后品质。
The effect of dosage of montmorillonite on surface free energy, water adsorption and drying time were studied in this paper.
在土豆干燥中 ，常采用间歇干燥工艺以缩短净干燥时间、降低有效能耗和提高干后品质。
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