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   电厂锅炉 在 计算机软件及计算机应用 分类中 的翻译结果: 查询用时:0.736秒
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电厂锅炉
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  utility boiler
The combustion models taking into account the pyrolysis of the particle and the heterogeneous combustion of char have been validated using intensive measurements performed on the 600 MW utility boiler.
      
A metallurgical evaluation of clad alloy 800H tubing after 17 years of service in a coal fired utility boiler
      
Corrosion of TP347H FG stainless steel in a biomass fired PF utility boiler
      
Modelling of a Utility Boiler Using Parallel Computing
      
Combustion characteristics of vacuum residue in a test furnace and its utilization for utility boiler
      
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  power plant boiler
Moreover, a formula to calculate the setting parameters is presented, together with a practical example of its engineering application in superheated steam temperature control with single-stage attemperation in a power plant boiler.
      
Observations of Power Plant Boiler Tube Failures and Related Microstructures
      
Low-cycle fatigue and cracking resistance of power plant boiler pipes and steam lines of 12Kh1MF steel
      
David Smith, a student in my Spring 2002 Mineralogy class, selected a sample of vesicular slag believed to have formed in a coal power plant boiler.
      
In this case roll-race mills are widely used to prepare pulverized coal for firing power plant boiler furnaces.
      
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In this paper, we proposed an improved closed-loop damping curve method used for the object dynamical parameters experiment We also proposed a calculating method for data processing The methods proposed in this paper have been used on the simulation system of the BG410T/h coal-fuel boiler operating in Liaoyang chemical fibre corporation suscessfully

我们提出了用于进行对象动态参数实验的闭环衰减曲线法,并且提出了成熟的数据处理的方法。文章方法被成功地应用于辽阳化纤公司BG410电厂锅炉仿真培训系统中。

Neural network model is difficult to be applied on line, because the neural network model lacks physical basis and its extrapolation capability is not ideal, even its forecast result is in contradiction with the basic law of a real system, mechanism model is too complex and unable to describe influence of an unknown disturbance. In this paper, a simulation model of superheat system of power plant boiler is presented, which based on neural network and process mechanism characteristics. On design of the simulation...

Neural network model is difficult to be applied on line, because the neural network model lacks physical basis and its extrapolation capability is not ideal, even its forecast result is in contradiction with the basic law of a real system, mechanism model is too complex and unable to describe influence of an unknown disturbance. In this paper, a simulation model of superheat system of power plant boiler is presented, which based on neural network and process mechanism characteristics. On design of the simulation model, the physical basis between the input and the output of the superheated steam system of boiler was well considered. The network model has the learning ability of process mechanism, besides routine learning function of numeric mapping relations. Thus, good association ability, the prediction ability, and the extrapolation effect on system transition process of the network model were well assured, compared with routine neural network models. The preliminary research shows,the simulation method based on neural network and process mechanism could get over the contradiction between the accuracy and the speed of the simulation of the complex system effectively, and widen the engineering applied field of the simulation system.

神经网络模型由于缺乏物理基础 ,其外推能力不够理想 ,甚至有时其预报结果与实际系统的基本规律相矛盾 ;机理模型通常过于复杂 ,且无法描述未知扰动的影响 ,一般难以在线应用。该文基于神经网络和过程机理特性 ,构建了电厂锅炉过热蒸汽系统仿真模型。在仿真模型设计上 ,充分地考虑了过热蒸汽系统输入与输出间的物理基础 ,网络的训练基金项目 :高等学校骨干教师资助计划资助项目 (GG 470 10 188 10 42 )。除了具有通常的数值映射关系学习功能之外 ,还具有过程机理学习功能 ,从而保证了文中的网络模型较常规的神经网络模型具有十分良好的联想能力、对系统过渡过程的预报能力和外推效果。初步研究表明 ,文中提出的基于神经网络和过程机理的仿真建模方法 ,可以有效地克服复杂系统仿真精度和仿真速度间的矛盾 ,拓宽仿真系统的工程应用领域。

According to middle storage pulverization system of electric power stations,the real operating process is modeled.The model is tested,and it is consistent with the real process.The modeling method presents an ideal approach for complex systems.

依据电厂锅炉的中间储仓式制粉系统 ,建立仿真模型来模拟实际系统的运行过程 ,经测试 ,模型运行结果基本上与现场运行相吻合。此建模方法为复杂大系统的仿真提供了一个理想的建模途径

 
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