流量的福劳德数是流动状态的影响因素，即超临界流或亚临界流。
The Froude number of flow is the factor of flow status: supercritical flow or subcritical flow.
临界流压是地层的特征参数，不随地层压力发生变化。
The critical flow pressure is a characteristics parameter which does not change with reservoir pressure.
依据牛顿算法及渐近解分析，本文提出了一种梯形明渠临界流方程的直接算法。
By Newton algorithm and the analysis for asymptotic solution, this paper presents a direct formula for calculating critical depths of trapezoidal open channels.
对管流、嘴流、渗流的协调计算及蒸汽流过节流喷嘴的临界流动特性进行了研究。
Coordination calculation for the flow in pipe, nozzle and reservoir, critical flow characteristics through the throttling jet are studied.
为了处理超临界流和有冲波情况，我们在方程中引入人工粘性项，以消除解中可能出现的不连续性。
An artificial viscous term is introduced in the equation to treat the supercritical flow with embeded shock waves and to eliminate the discontinuous solution.
关于临界流现象，本文详细介绍了不同学者的研究成果，为深入理解临界流现象提供了多角度视角。
At the same time, this thesis also introduces another result of research on the critical flux phenomenon for understanding it deeply.
虽然制冷剂在毛细管内的流动为非线性的两相临界流，但是在很多特定工况条件下毛细管流量特性表现出良好的线性特性。
Although the critical two-phase flow of refrigerant through adiabatic capillary tube is nonlinear, its mass flow characteristics under some typical operating conditions show good linearity.
本文通过两相流理论分析和水力学试验验证证实：室内排水立管管壁粗糙度的减小，不仅不能加大其临界流量，反而会减小其临界流量。
It has been verified in this paper, by theoretical analysis with two-phase fluid mechanics and hydraulic tests, that decreasing surface roughness in a wade stack can not increase critical discharge.
针对水利工程上常用的城门洞形及马蹄形过水隧洞，利用临界流方程，给出了旨在用于临界流分析的断面参数Z和水力指数M 的计算公式和表示水深与Z以及M 之间的关系曲线。
Based on the basic critical flow equation, formulae, which used to determine section factor Z and hydraulic exponent M for critical flow in city gate and horseshoe conduits, were derived.
文中所建立的临界安全操作值判据可以为全混流反应器的安全运行提供有效的理论依据。
The criterion that the paper puts forward for the safe critical operation conditions, can offer the available theory reference for the safety of CSTR.
在数据流中，输入数据集显著减小的地方通常代表着联邦与WebSphereDataStage之间最有益的临界点。
The point in the data flow at which the input data set is significantly reduced, usually represents the most beneficial boundary point between federation and WebSphere DataStage.
基于临界区的代理事件处理模型实现了数据流驱动。
The agent event handling model based on critical region implements data driven system.
物理上看，在一个特定的临界行波速下会形成自发的周期性分离再附流，每个波谷的分离区捕获一个稳定的涡环。
Physically, at a special critical wave speed the flow may have a naturally periodical separated-reattached pattern, with each wave trough capturing a stable vortex ring.
考虑汽流激振的超超临界汽轮机转子系统的稳定性分析是个较新的课题。
The stability analysis of rotor system of supercritical steam turbines including the steam-excited vibration is a comparatively new subject.
临界密集到达时间受到达流强度、变异系数、驼峰作业负荷等因素的影响。
The critical intensity arrival time is influenced by input flow intensity, coefficient of variation, hump-working load, etc.
得到了高速旋转工况下对应于不同来流攻角和旋转角速度，临界工况时，超声速进气道内外流场复杂的波系结构。
Complex wave structures of supersonic inlet at different Angle of attack and spinning velocity related to high speed spinning and critical status were achieved.
最后利用发生坡面泥石流前3日累计降雨量和当日前期降雨量，得出了该区域降水诱发坡面泥石流的临界雨量方程。
By using the antecedent precipitation on that day and 3-day antecedent precipitation, the formula of the critical precipitation can be obtained.
讨论和分析了流道间隙、加热功率和入口过冷度对沸腾起始点、沸腾流态、换热系数、流动不稳定性和临界热负荷的影响。
The effects of gap size, heat flux and inlet subcooling on the boiling incipience, flow pattern, heat transfer coefficient, flow instability and critical heat flux were analyzed and discussed.
考虑汽流激振的超(超)临界汽轮机转子系统的稳定性分析是个较新的课题。
Using FEM to model the rotor system of ultra supercritical steam turbine, treating the rotating rotor and static bearing-foundation as a coupling whole, the program is compiled.
在此临界条件下，获得了临界爆轰胞格结构、沿壁面的速度和峰值压力曲线及流场波系演变特征。
Under this critical condition, the cellular pattern, the velocity and maximum pressure along the wall and the wave evolution of marginal detonation were obtained.
从广延能量耗散的角度看，泥石流暴发的应力演化过程是一种自组织临界过程。
According to energy consumption in broad sense, evolution process of stress in debris flow occurrence is a process of self organization criticality.
提出了油气井临界井底流压和安全产量的概念，对科学地管理油气井有着一定的现实意义。
The paper presents the conception of bottom-hole critical flowing pressure and secure production of oil well. It is of practical significance for management of oil well.
我们还得到了此持续原子流存在的临界条件，并且提出了一个在环状原子波导中实现此持续原子流的实验。
A critical condition to generate the persistent atom current is demonstrated and we moreover propose a practical experiment to realize the persistent atom current in a toroidal atom waveguide.
采用缝隙式出流口时产生漩涡的临界高度比采用同面积的圆形出流口时的低得多。
Using slit outlet, the critical height of vortex sink is substantially lower than that of the round outlet used when the area of outlet and flow are equal.
水沙两相流冲淤的双临界现象，对于多沙河流河道泥沙的输移有重要意义。
This double threshold phenomenon plays an important role in sediment transportation of heavily sediment laden rivers.
本文采用二维可压缩非定常N-S方程模拟了带有上下开槽壁的跨声速二维管风洞中超临界翼型绕流的流场。
Transonic tube wind tunnel flows over supercritical airfoils with slots on both upper and lower walls have been simulated by using compressible unsteady two dimensional Navier-Stokes equations.
在下降流不变集方法找泛函临界点的定理中，用收缩性质替换P。
In the theorem of finding critical point by invariant sets of descending flow, we replace the condition of p.
针对各种温度、压力下，马赫数2．5流场中超临界煤油的超声速燃烧性能进行了实验研究。
Characteristics of supersonic combustion by injecting supercritical kerosene fuel into a Mach 2.5 crossflow at various preheat temperatures and pressures were investigated experimentally.
研究流体的速度和压力对载流三维管道振动频率的影响，并且探讨管道失稳时流体的临界速度。
This paper deals with the influence of fluid velocity and pressure on vibration frequency of stereoscopic pipe, and investigates the critical velocity of fluid in unstable case.
通过对公式的讨论，提出了灌溉水矿化度临界方程，讨论了淋洗系数和优先流系数的物理意义和影响因素。
Through discussing above formulas, the critical mineralization degree equation of irrigation water was presented. The physical significance and...
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