Annular hydraulic simulation is a key part of any Managed Pressure Drilling (MPD) operation.
环空水力模拟是控压钻井技术的一个重要组成部分。
The factors influencing rising delaying time of liquid surface in low pressure casting were investigated by orthogonal testing for hydraulic simulation.
采用水模拟正交试验研究了影响低压铸造液面上升延迟时间的各因素。
The analysis of filtering flow process of aluminum cast alloy based on hydraulic simulation was carried out. The filtering efficiency formula was established.
通过水力学模拟试验对铸造铝合金过滤流动过程进行了分析，建立了过滤效率的水力学模拟试验关系式。
Then it chooses the reasonable hydraulic simulation software for the test stand, and the software makes its due role in the multi-function hydraulic test stand.
并对多功能液压实验台液压系统中的典型回路进行了仿真分析，来检验设计的合理性。
This paper studies the filling characteristic of the ring shape runner system based on the Large Qrifice Discharge theory and takes the hydraulic simulation test.
本文根据大孔出流理论。对环形横浇道系统的充填特性进行了研究与水模拟试验。
Image information of filling process was observed and recorded by computer video technology for hydraulic simulation based on physical simulation, image treatment and computer application.
以物理模拟技术、图像处理技术和计算机技术为基础，采用水模拟计算机可视化技术，观察和记录液体充型过程的图像信息。
The hydraulic simulation turntable system is a non-linearity and time-dependent system, it is often with difficult to satisfy the control requests if use the conventional PID control algorithm.
液压仿真转台系统是非线性、时变系统，采用常规pid控制算法往往难以满足要求。
Based on the similarity principle, the casting process of piston rings has been investigated by hydraulic simulation in the paper, and the method of reducing rejected products has been searched.
本文根据相似原理，介绍了利用水力模拟的方法，研究活塞环的浇注过程，寻找降低废品的途径。
FORTRAN language have obtained general application in hydraulic digit simulation, but FORTRAN language of microcomputer system has not graph function.
FORTRAN语言在液压数字仿真中获得了普遍的运用，然而微机系统的FORTRAN语言一般都没有图形功能。
Applying the model in the simulation of Hydraulic turbine Governing system, the change rules of both the system and the turbine's internal parameters can be found rapidly and accurately.
将该模型应用于水轮机调节系统仿真，能快速准确地得到系统及机组内部各参数的变化规律。
Similarly, Yao Zhongtao, a hydraulic engineering major postgraduate at Tsinghua University, did both old and simulation exams every day when he was preparing for the entrance exam.
清华大学水力工程学专业研究生姚忠涛(音译)在考研备考时，也是每日真题、模拟试题两手抓。
As a servo power actuation important part, the center spatial hydraulic pressure servomotor has the important application value in multiple spindle hydraulic pressure simulation table.
作为伺服动力驱动的一个重要元件，中空液压伺服马达在多轴液压仿真转台等领域具有重要的应用价值。
Turbulence simulation technology and application to hydraulic and hydroelectric projects placed second in the National Science and technology Progress Award.
紊流模拟技术及其在水利水电工程中的应用获国家科技进步二等奖。
Simulation results indicate that the active hydraulic guide roller can reduce the horizontal vibration of the high-speed elevator effectively and has better performance than the passive guide roller.
仿真研究表明，所设计的电梯液压主动导靴与被动导靴相比，有较好的性能，能够有效地降低电梯的水平振动。
Numerical method is proposed for general mechanical impact systems by means of characteristic line theory . Simulation results of hydraulic rock drill are provided .
应用特征线方法，提出了一般冲击机械的波动力学数值计算方法，给出了一液压凿岩机械的数值模拟结果。
Microcomputer application to hardware assignment, program control and technology keys are introduced for loaded indoor, simulation in tractor hydraulic suspended system.
介绍了微机在拖拉机液压悬挂系统室内仿真加载的硬件配置、程序控制及技术关键。
The results show that ST changes the hydraulic behavior of the soil significantly and the simulation based on dynamic parameters is remarkably differed from that of CT.
由于耕区土壤水力学参数的变化对免耕法并不敏感，故模拟的水平衡项与传统耕作下的相应值间基本无差异。
This article introduces the fundamental concept of power bond graphs, and discusses how to establish bond graphs, status equations, and digital simulation of dynamic responses in a hydraulic system.
本文介绍了功率键合图的基本概念，以直动式溢流阀为例，讨论了键合图的建立、状态方程的建立、液压系统动态响应的数字仿真方法。
Simulation of hydraulic fracturing of rock mass is an important issue in the construction design of high dam and deep-lying tunnel and so on.
岩体水力劈裂模拟是高坝、深埋隧洞等工程施工设计中的重要问题。
Thus we accomplished static and dynamic characteristic simulation analysis of the roadheader slewing hydraulic system, and provided theory basis for design of the roadheader slewing hydraulic system.
从而完成对掘进机回转装置液压系统静、动态特性的仿真分析，为掘进机回转液压系统的设计提供理论依据。
The article discusses the working principle, numerical simulation on the hydraulic transients and applications of safety membranes in lieu of a surge chamber.
简述了爆破膜工作原理，水力过渡过程数值模拟，并介绍若干水电站应用实例。
Mathematical model and control law of the digital electro hydraulic proportion system are put forward. Furthermore, computing simulation and experimental verification are carried out.
提出了数字电液比例系统的数学模型及控制规律，并进行了计算机仿真及实验验证。
The paper draw the numerical simulation of hydraulic building into wastewater treatment project design, which has realistic engineering significance.
本文在污水处理工程设计中引入了对水力构筑物的数值模拟，具有重要的实际工程意义。
Modeling problems of hydraulic components are discussed and methods to reduce the stiff problems in dynamic simulation of complex hydraulic system are studied.
针对复杂液压系统动态特性仿真中出现的刚性问题，从基本液压元件的建模入手研究了降低系统模型刚性问题的方法。
The principium of the test-bed was introduced, and the dynamic simulation of the measured hydraulic cylinder system was made by using application software MATLAB.
本文介绍了液压缸试验台的工作原理，并运用MATLAB对被测缸液压系统进行了动态仿真；
The results of numeral simulation show the hydraulic cutting techniques can reach the purpose to unload the zones near the well bore sufficiently.
数值模拟结果表明，水力割缝技术可达到使近井地带充分卸压的目的。
A new hydraulic load simulation system, adopting a rotation directional valve and using a spring accumulator simulating the starter load, is proposed and working principles are described.
提出了一种采用旋转式换向阀及弹簧蓄能器模拟发动机负载的液压负载模拟系统，详细介绍了该系统的工作原理；
A new hydraulic load simulation system, adopting a rotation directional valve and using a spring accumulator simulating the starter load, is proposed and working principles are described.
提出了一种采用旋转式换向阀及弹簧蓄能器模拟发动机负载的液压负载模拟系统，详细介绍了该系统的工作原理；
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