流体运动的

Thegeneral study of nuclear structure, including the study of state and the newest development of deformed nucleus, is briefly introduced at the beginning of this article. Bohr quadrupole deformation theory has been deduced in detail. Then based on Bohr model, group kinetic energy and potential energy expression of nuclear in the condition of small deformation was deduced.

本文首先简单介绍了核结构领域的一些研究概况，包括形变核的研究现状及其最新进展，详细推导了Bohr四极形变理论，在Bohr模型基础上(假定原子核是理想不可压缩的无旋流体)，导出原子核在小形变条件下的集体运动动能和势能表达式。

This paper studies the main geometrical parameter such as angle, height, width, stagger and the upper width in dentation and trapezoid flow path, firstly, uses the single-phase numerical simulation of the computational fluid dynamics technique to analyse the influence of different geometrical parameter on discharge coefficient and flow state exponent of drip emitter. Secondly, uses the two-phases numerical simulation of CFD (1% sand content ) to analyse the influence of the above mentioned geometrical parameter on the contribution regulation of sand and anti-clogging performance. Thirdly, uses the PIV （ particle Tracking Velocimetry ） technique which can see the small-scale flow path to observe and test the trajectories and velocities of solid particles in labyrinth flow path, and analyses the basic factors which can influence the movement characteristic of solid particles and the flow state in flow path.

本文以齿形流道、梯形流道为主要研究对象，以流道转角、流道高，流道宽、偏差量及梯形流道上底宽为主要结构参数，首先应用 CFD 单相流数值模拟技术对不同结构参数灌水器流道水力性能进行模拟，分析了不同结构参数对流态指数和流量系数的影响，其次，应用 CFD 两相流（含沙量为1%）数值模拟技术分析了结构参数对含沙量分布规律和抗堵塞性能的影响，然后，应用 PIV 可视化测试方法测试了固体颗粒在流道内运行轨迹及速度，分析了影响固体颗粒运动特性及流道内流体流态的基本因素，最后，对上述流道结构形式通过模具加工及滴灌带试制，进行了标准化测试（ GB/T 17187-1997 农业灌溉设备滴头技术规范和试验方法与 ISO 标准 ISO /TC23 /SC18 /WG5N4短周期堵塞测试程序），测试结果验证了 CFD 模拟结果，并提出了迷宫结构流道灌水器的抗堵塞设计方法。

Firstly, single bubble in the dense zone of fluidized bed was simulated, the second is the curve of the fluid particle, the third is solid space ratio distribution, the fourth is particles velocity vectorgraph and particles volume fraction, the fifth is grain press drop and rapid kinetic energy and rapid kinetic energy dissipation ration.

模拟了反应器中气泡的产生、形成、发展及爆裂，流体质点在运动过程中走过的曲线，炉膛内固相空隙率的分布，床内颗粒浓度场和速度场的分布，床内压降的分布，湍动能和湍动能耗散率。

"Our starting point was a series of formal studies on the conceptual terms of 'fluidity' and 'seamlessness' as we wanted to generate the fluid geometries of water in motion," says Hadid.

"我们的出发点是一系列的正式研究，在概念上而言，流动性'和' seamlessness '，就像我们希望产生的流体几何中的水运动"，说哈迪德。

The Big Dipper colloid mill principle of work full sound of something astir grinding pan tooth profile incline relative motion but becomes, high speed revolves, another static causes the material to receive the enormous shearing force and the friction force through tooth profile incline between material, at the same time and so on under the complex strength function causes the material for the fluid ultramicron smashing, the emulsification, the disperser, isotropically at the high frequency vibration and the high speed whirlpool, to stir and so on the function, may replace and surpass the stone mill, the sand blast machine, the ball mill, the breast is uniform machine, cuts the mulser, three rollers machine, organizes working efficiency and so on the stamp mill.

七星胶体磨工作原理其分动、静磨盘齿形斜面的相对运动而成，其中一个高速旋转，另一个静止使物料通过齿形斜面之间的物料受到极大的剪切力和摩擦力，同时又在高频震动和高速旋涡等复杂力的作用下使物料为流体超微粒粉碎、乳化、分散、均质、搅拌等多种功能，可代替并优于石磨，砂磨机、球磨机、乳匀机、剪切乳化机、三辊机、组织捣碎机等工作效率。

Cyclone separator is a kind of equipment that uses rotary motion of gas-solid two-phase fluid to make the solid particle separated from the gas flow by centrifugal force.

旋风分离器是一种利用气固两相流体的旋转运动使固体颗粒在离心力的作用下从气流中分离出来的设备。

This paper establishes a mathematical model of melt-lubrication between band and gun tube with oil on the bore interface.

该文就火炮内膛涂油条件下，弹丸在膛内高速运动中的弹炮接触熔化进行了分析，建立了涂油条件下的弹炮接触熔化热流体模型，进行了数值计算，计算了弹带熔化速度和厚度及其对弹丸摩擦系数的影响，结果与实验值吻合较好。

Due to the interstitial fluid between the partials, the solutions of the pressure and tangential force between the two granules are the theoretical foundation of the wet granular discrete element method.

当颗粒之间有法向或切向相对运动时，由于存在填隙流体，颗粒之间产生的法向的挤压力和切向阻力，是湿颗粒离散元法的理论基础。

Based on the hydroelastic response theory, the motions of the VLFS are analyzed in the dissertation, and then the velocity potential of fluid and the velocity potential of deflection wave of VLFS are solved.

本文在水弹性响应理论的基础上对超大型浮体结构的运动进行了分析，并求解出流体的速度势和浮体挠曲波速度势。

Two-fluid model is considered as one of the most accurate models in multiphase flow field because of its detailed treatment of the phase interactions at the interface.

两流体模型由于细致地考虑了相间质量、动量和能量的传输以及相界面运动特性，具有坚实的物理基础，被公认为是目前最精确的多相流数学模型。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。