Oil exploitation mining method is facing a great challenge: changing from Steam Air gorge and Disgorge (SAGD) to a new method, it is a inevitable need for the new dynamic test.
石油开采面临由蒸汽吞吐向新的开采方式(SAGD,蒸汽驱)转换的巨大挑战,新的动态测试方式是必然需要。
The dynamic thermal hydraulic model of Once Through Steam Generator (OTSG) is developed, Which characterized by lumped parameters with moving boundary.
采用集中参数处理方法,把直流蒸汽发生器二次侧按流体相变分区,建立了动态热工水力模型。
Based on pattern identification of dynamic process, a kind of control algorithm for steam temperature is introduced.
针对汽温控制系统提出了一种基于动态过程模式识别的控制算法。
Consequently, this method solves difficult technical problem of dynamic and quasi-distributing measurement in two-phase wet steam flow.
该测试新方法将能解决湿蒸汽两相流中湿度的动态、准分布测量的技术难题。
The details of dynamic response analysis for reactor and steam generator under LOCA and seismic loading were performed.
对堆本体和蒸汽发生器在失水事故和地震载荷下的动态响应作了详细的分析。
How to keep the main steam pressure having better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is most important to combustion process control.
如何使主蒸汽压力既具有良好的动态特性,又能使入炉燃料得以充分燃烧,是燃烧过程控制的关键。
A dynamic simulation model for non-homogeneous flow in wet steam turbine was developed and was corrected by a time step method, and then could be applied to dynamic simulation.
建立了透平湿蒸汽非平衡流动动态仿真模型,并进行了时间步长修正,模型可以用于蒸汽轮机的动态仿真计算。
A new superheated steam temperature control system is derived by combining the dynamic matrix proportion integration control arithmetic with the cascade control structure.
通过将动态矩阵比例积分控制算法与串级控制相结合,提出了一种新的火电厂锅炉过热汽温控制方案。
Steam injection parameters are optimized at late stage of huff and puff in heavy oil reservoirs by using economic balance point, daily revenue and dynamic analysis methods.
利用经济平衡点、日收益及动态分析方法,进行了稠油油藏蒸汽吞吐后期的注汽参数确定。
Simulation results show that the nonlinear variable structure excitation controller and steam valving controller give satisfactorily static and dynamic performances and good robustness.
仿真结果表明:非线性变结构控制器给出了满意的静态和动态行为和很好的鲁棒性。
Dynamic calculation of steam turbine in load rejection condition is important to the safety of unit.
汽轮机甩负荷动态计算对机组的安全运行起着很重要的作用。
The reasonability in balancing the weight of steam turbines is studied based on the overweight problems experienced in actual field dynamic balancing.
本文针对某个汽轮机组的动平衡实例中配重过大的问题,探索了现场动平衡中配置平衡重量个数和大小的合理性。
Interwell testing by electric potential is a new, effective reservoir dynamic monitoring technique. It can accurately test the advancing direction and swept region of injected media (steam or water).
电位法井间测试是一种新型、有效的应用于油藏动态监测的技术之一,它能够准确地测定注入介质(蒸汽或水)的推进方位及波及范围。
The effects of corrosion and steam passage situations are the important factors in the design of steam turbine blade dynamic intensity.
介质腐蚀和通道状况的影响是汽轮机叶片动强度设计中主要考虑的因素。
Turbine is important social production equipment, also known as steam turbine; it transforms steam internal energy into mechanical energy of the rotating rotor dynamic organization.
汽轮机是社会生产中的重要设备,又称蒸汽透平,是将蒸汽内能转化为转子机械能的旋转式动力机构。
Simulation results show that the control strategy of this paper had the stronger anti-perturbation ability, and improved the dynamic property of reheat steam temperature control system.
仿真结果表明本文的控制方法抗干扰能力增强,能明显改善系统的动态特性。
The dynamic characteristics of steam drum water level along with its traditional control technology and the fuzzy control theory have been detailedly analyzed in this paper.
文中较为详尽地分析了汽包水位对象的动态特性和传统的控制技术以及模糊控制理论。
It is critical effect to grip the dynamic characteristic of water-steam system of boiler which establishes the dynamic mathematical model and do research analysis on simulation.
借助于计算机仿真技术,建立锅炉汽水系统的动态数学模型,进行仿真研究分析,对掌握汽水系统的动态特性起着非常重要的作用。
The fact is proved that the steam turbine model is able to exactly simulate the working process and the dynamic characteristic of the simulated object, the static characteristic is very precise.
实践证明利用本文思想编制的汽轮机仿真模型能够正确反映仿真对象的全物理过程,具有良好的静态精度和动态响应特性。
The paper studies dynamic characteristic for industrial steam turbine digital electro hydraulic governing system.
研究了工业汽轮机数字电液调节系统的动态特性。
By means of the model, the dynamic characteristics of Marine nuclear steam turbine plant under the rapidly varying duty working conditions is calculated and analyzed.
利用该仿真模型对快速变负荷工况下船用核汽轮机装置的动态特性进行了计算分析。
Firstly, the dynamic mathematical models of the typical components of HRSG are built up according to the fundamental physical laws, such as the gas side model and the steam-water side model.
首先,运用机理建模的方法建立了余热锅炉各个典型部件的动态数学模型,如烟气侧模型、汽水侧模型等。
A new main-steam temperature control scheme of utility boiler is proposed by combining the dynamic matrix control arithmetic with the cascade control structure.
将动态矩阵控制算法与串级控制相结合,提出了一种新的火电厂锅炉主汽温控制方案。
By adopting VB language and using a dynamic-link data base, designed was a thermodynamic calculation program for low-parameter single-cylinder steam turbines.
采用VB语言,通过动态链接库的调用,编制了低参数单缸汽轮机热力计算程序。
Through dynamic monitoring the reservoir status is determined, which is providing scientific basis for the rational design, steam injection, extraction and soaking parameters.
通过动态监测确定了解油藏状况,为合理设计注汽、开采和焖井参数提供科学依据。监测井间汽窜和水侵等井况的发生。
The calculation results may be used for the research of steam turbine dynamic cha…
计算结果可用于汽轮机动态特性研究、启动程序设计。
The test results show that this method can describe the dynamic characteristic of data steam effectively, and the effect of classification is evident.
实验结果表明,该方法能对数据流进行有效的动态特征描述,分类效果明显。
The results of numerical calculation of dynamic performance of single-pressure heat recovery steam generator are presented.
本文对单压余热锅炉的动态特性进行了数值计算。
How to keep the main steam pressure with better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is the most important to combustion system control.
如何使蒸汽压力保持良好的动态特性,使入炉燃料得以充分燃烧,是锅炉燃烧系统控制的关键。
How to keep the main steam pressure with better dynamic characteristic and keep the fuel entered the boiler burning thoroughly is the most important to combustion system control.
如何使蒸汽压力保持良好的动态特性,使入炉燃料得以充分燃烧,是锅炉燃烧系统控制的关键。
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