In this paper we propose a novel leakage fault detection and diagnosis method, using dynamic simulation to monitor the fluid flow process and identify leakages when large flow rate deviations occur.
诊断过程通过动态模型的在线参数估计完成,在实现模型校正的同时可以预测流动过程的变化趋势并判断是否存在故障。
Fluid in the labyrinth seal flow process, to follow all the control of fluid flow equation.
流体在迷宫密封内的流动过程,遵循流体流动的所有控制方程。
The volume of flow is a process parameter which is often measured in fluid transmission systems.
在流体传动系统中,流量是需经常测量的过程参数之一。
In this paper, we discuss three types of video source models: a autoregressive model, a Markov-modulated fluid flow model, and a Markov-modulated Poisson process model (MMPP).
在本论文中,我们讨论了三种视频源模型:自回归模型、马尔科夫调制流体流模型、马尔科夫调制泊松过程模型(MMPP)。
The phenomenon of random fluid flow on multistage column trays is simulated by applying theory and method of Markov process.
利用马尔可夫过程的理论和方法,模拟多级塔板上的液体随机流动现象。
The effective thermal conductivity model and coupled model were developed for simulating the influences of fluid flow on heat transfer and solidification in continuous casting process.
综述了在连铸数值模拟过程中,为评估流体流动对铸坯热量传递和凝固过程影响所开发的有效导热模型和耦合模型。
With the basic equations of rotating coating process, the velocity distribution of the flow of a thixotropic fluid on a rotating disk was derived.
采用甩涂过程的基本方程,导得触变性流体在旋转圆盘上流动的速度分布。
The monophase fluid flow in triple media is considered as Markovian renewal process, and a mathematical model is set up with a new method in this paper.
本文把单相流体在三重介质中的流动视为一更新过程,从而用新方法建立了数学模型。
Research on reservoir flow units is of significance for better understanding the rule of undersurface fluid flow and distribution of remaining oil during the process of water injection development.
储层流动单元的研究对于更好地了解地下油水运动规律及油田注水开发过程中剩余油的分布具有重要意义。
The process selects (703) values for flow tube and fluid parameters.
过程选择(703)流管和流体参数的值。
During the process of gravel-packing in horizontal Wells, there are the filtration flow of the carrier fluid to the formation and the exchange flow through the screen slots.
由于携砂液向地层的滤失以及通过筛管缝隙的流体质量交换,水平井砾石充填过程中冲筛、井筒环空两个流动系统均为复杂的变质量流。
The mechanism of fluid field decided the difference of oil-gas in a dispersion process and the flow independence in oil and gas layers.
流体场的力学机制决定了油气在散失过程中的差异性以及油气层自身流动的独立性。
Glass rotor flowmeter is used to measure the fluid (liquid or gas) flow of the process instrumentation.
玻璃转子流量计是一种用来测量流体(液体或气体)流量的过程检测仪表。
The fluid flow and transport process of non metal inclusion in tundish under bottom blowing are studied by numerical simulation and water model experiment.
采用数值模拟手段,结合水模型实验,研究了中间包底部吹气过程对中间包内流场及夹杂物传输行为的影响。
The process determines (704) an estimated mode shape based on the values for the flow tube and fluid parameters.
过程根据流管和流体参数的值确定(704)一个估计模态。
A three dimensional incompressible gas-liquid two-phase flow model was proposed to accurately simulate the fluid flow of casting's mould filling process.
为了更精确地模拟铸造充型过程的流动行为,建立了充型过程的三维不可压缩气。液两相流动模型。
Based on the fluid properties in the fault zone area, the fluid flow characteristics and pool-forming process along Lanliao fault zone in Dongpu Depression are thoroughly analyzed.
从断裂带附近流体性质出发,深入分析了东濮凹陷兰聊断裂带流体活动特征及其成藏过程。
Considering the physical process of MIG welding, the numerical analysis model of the fluid flow and the temperature field has been developed.
综合考虑MIG焊接物理过程,建立了MIG焊接熔池流场和温度场的数值分析模型。
Copper matte converting is an important process in copper pyro-metallurgy, involving chemical reactions, fluid flow and transformation of both heat and mass.
铜锍吹炼是火法炼铜的一个重要工序,涉及化学反应、传热、传质、流体流动等。
Adjustable chokes enable the fluid flow and pressure parameters to be changed to suit process or production requirements.
可调节流器可改变流体的流动参数和压力参数,以适合于处理要求或生产要求。
Macroscopic fluid flow and heat and mass transfer should be taken into account for the continuous thin slab casting process.
薄板坯连铸工艺应综合考虑传热、流动与传质宏观传输现象。
Making use of computational fluid dynamics method and dynamic simulation, the thesis studies the effects of jet flow on launch process of vehicular container-type missile.
结合流场计算和发射动力学仿真,研究某型车载发射系统中燃气流对发射过程的影响。
In this paper, the process of the liquid flow on the heat tube surface was carried out using computational fluid dynamics (CFD) simulation method.
采用计算流体力学方法(CFD),对传热管外液体流动过程进行了模拟研究。
In this numerical model the fluid pressure transmission during the rupture-failure process of material is achieved by the coupling and iteration of flow-damage of an element.
在这个数值模型中,材料在开裂破坏过程中流体压力传递通过单元渗流损伤耦合迭代来实现。
From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.
本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式,在此基础上建立了二通插装阀阀芯关闭运动方程。
Computer fluid dynamics (CFD) is adopted to simulate the flow fields of a catalytic converter while researching the working process of an emission postprocessor.
运用计算流体动力学对汽车排气催化转化器气流特性开展数值模拟。
During the producing process of a horizontal well, fluid flow in well bore and stratum filtering flow have the restraining and effecting actions.
在水平井生产过程中,井筒内管流与地层渗流互相制约、互相影响、互为边界条件,从而构成了一个完整的水动力学体系。
The circulating fluid bed technology is used to gasify cheap pulverized coal, and by rational organization of the process flow the production cost of urea can be decreased.
利用循环流化床技术气化廉价的粉煤,通过合理组织流程,可降低尿素生产成本。
The circulating fluid bed technology is used to gasify cheap pulverized coal, and by rational organization of the process flow the production cost of urea can be decreased.
利用循环流化床技术气化廉价的粉煤,通过合理组织流程,可降低尿素生产成本。
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