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model analysis
相关语句
  模态分析
    Predict of Engine Block Model Analysis And Its Radiate Noise
    内燃机机体模态分析及辐射噪声的预测
短句来源
    The Model Analysis of Engine Block Using Finite Element Method
    内燃机机体有限元模态分析
短句来源
    Research on Boundary Conditions of T Steam Turbine Blade by Finite Element Model Analysis
    汽轮机T型叶根有限元模态分析边界条件的研究
短句来源
    In order to determine the reasonable discrete mathematical model for the generator structure, by adopting the technique combining finite element method with test model analysis the dynamic characteristics are analysed of the organic glass structural model for the main components in the generator.
    然后采用有限元计算与试验模态分析相结合的研究方法,分析了发电机主要部件的有机玻璃结构模型的动态特性,以确定发电机结构的合理的离散化数学模型。
短句来源
    In general, the structure modal analysis means the vibration analysisIn the structure model analysis, there is an essential different between MDOF (multi degree of freedom) system and SDOF (single degree of freedom) system.
    振动结构模态分析是指对一般结构所做的模态分析模态分析中多自由度系统与单自由度系统有本质的区别。
短句来源
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  模型分析
    In this paper, a shafting model of 6106 type diesel engine was constructed by using traditional torsional vibration calculation method and the American Parameter Company’s 3-D design software – a powerful pro/engineer. By using the model analysis function and finite element modular, the conversion of torsional equivalent system of the shafting was made.
    本文使用传统的扭振计算的方法,利用PTC公司(美国参数技术公司)的三维设计软件pro/engineer强大的三维建模能力构建了6106型柴油机轴系模型,用其模型分析功能和有限元分析模块对该机型轴系进行扭转当量系统换算;
短句来源
    Accompanying the description of the dynamic behavior of power blocks, the paper presents an introduction to current world\|wide new numerical methods used in relevant studies,such as:artificial neural networks,fuzzy neural systems applied in boiler regulation,finite element analysis,matrix model analysis,generation of meshes with unequal sides. The benefit of using these methods and the results obtainable are explained as well.
    该文通过对单元机组动态特性的介绍、分析 ,指出了当前国际上对单元机组动态特性的研究所采用的最新手段 ,诸如 :人工神经网络、模糊神经系统在锅炉控制中的运用 ,有限元分析、矩阵模型分析、不等距网格划分等数值方法在锅炉建模中的运用等 ,以及采用这些方法的优越性和取得的成果。
短句来源
    Ways of modeling analysis and order reduction in dynamic modeling have been studied with suggestions of how to express non-linear models by dispersed linear equations within possible operating ranges, and herewith perform model analysis by making use of the theory of linear systems.
    研究了动态建模中的模型分析与简化的方法,提出了用可行域范围内的一组离散线性化模型来反映非线性模型,从而可利用线性系统理论对模型进行分析的思想。
短句来源
  “model analysis”译为未确定词的双语例句
    Mathmatic Model Analysis for A Intercooler of Vehicle Diesel
    车用柴油机中冷器数学模型分析
短句来源
    A PRACTICAL 500MW BOILER DYNAMIC MODEL ANALYSIS
    500MW机组锅炉模型及实验分析
短句来源
    Model analysis of methanol combustion process and variations of cycle to cycle
    纯甲醇压燃过程及其循环变动的模拟分析
短句来源
    MUTIVARIABLE TRANSFER MATRIX MODEL ANALYSIS OF TWO-PHASE FLOW INSTABILITIES IN PARALLEL CHANNELS
    平行管内汽液两相流动不稳定性的多变量传递矩阵模型分析
短句来源
    Experimental model analysis of CZ480 engine body
    多缸柴油机机体试验模态研究
短句来源
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  model analysis
A semi-automatic toolkit that can extract model parameters and their values on real computers can reduce the model analysis complexity, thus allowing more complicated models with more parameters to be adopted.
      
Dynamics of the distribution of free-growing tree biomass with respect to height: Model analysis
      
Role of diapause in coexistence of zooplankton species: Model analysis
      
GLM (General Linear Model) analysis was applied to evaluate the associations of lactoferrin with milk performance traits, including SCC (somatic cell count).
      
Model Analysis of Transients in On-Chip Interconnections
      
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In this part of the paper,analysis of the correlations amoungst the rolland twist parts of vibration(RV and TV)as well as their combination(CV)at different frequency ratios were made by means of representative 3-massmodels resulting in a generalization of the effects of mass,stiffness,damping and excitation on the relative magnitudes of the various compo-nents and their phase angles in relation to the excitation torque.A numberof torsional vibration test records of various types of installations werefinally...

In this part of the paper,analysis of the correlations amoungst the rolland twist parts of vibration(RV and TV)as well as their combination(CV)at different frequency ratios were made by means of representative 3-massmodels resulting in a generalization of the effects of mass,stiffness,damping and excitation on the relative magnitudes of the various compo-nents and their phase angles in relation to the excitation torque.A numberof torsional vibration test records of various types of installations werefinally exhibited.Calculated RV-component curves were added on thesediagrams and interpretations were obtained through the aid of the conclu-sions from the 3-mass model analysis.The results of the investigation canhelp to clarify the meaning of the always-not-so-clear test(?)records whichare often involved and even disputed when the engine system is runningat low frequency ratio.

本文是“低频率比下发动机轴系的扭振”(一)一文的续篇。本文应用了三质量模拟系统,探讨了转动惯量、刚度的不同组合,以及阻尼和激励力矩对系统的滚振(RV)、扭振(TV)、合成振动(CV)的振幅(相对值)和相位(相对于激励力矩)的影响效应。并分析了三者之间的内在关系。文章还列举了若干不同类型的发动机动力装置的扭振实测结果。运用了三质量模拟系统分析的结论,较成功地剖析了各动力装置在低频率比下的扭振特性。本文研究的成果将有助于对复杂的、有时甚至有争议的实测扭振记录作比较清晰的符合实际的分析。

The authors outline the basic principles of dynamic substructure method for calculating the modal parameters of complex system. In order to determine the reasonable discrete mathematical model for the generator structure, by adopting the technique combining finite element method with test model analysis the dynamic characteristics are analysed of the organic glass structural model for the main components in the generator. On the basis of this discrete model, the dynamic characteristic of the...

The authors outline the basic principles of dynamic substructure method for calculating the modal parameters of complex system. In order to determine the reasonable discrete mathematical model for the generator structure, by adopting the technique combining finite element method with test model analysis the dynamic characteristics are analysed of the organic glass structural model for the main components in the generator. On the basis of this discrete model, the dynamic characteristic of the prototype of the generator structure is studied thus verifying the reliability of this generator structure designed.

首先概述了计算复杂系统模态参数的动态予结构法的基本原理。然后采用有限元计算与试验模态分析相结合的研究方法,分析了发电机主要部件的有机玻璃结构模型的动态特性,以确定发电机结构的合理的离散化数学模型。最后据此按照设计图纸研究了发电机结构原型的动态特性,并进而论证了发电机结构设计的可靠性。

An investigation on confined fuel spray characteristics in a D. I. diesel engine was conducted by using the high speed laser shadowgraphy and the technique of gaseous simulation. The results show that the air-fuel mixing process in a D. I. diesel engine is strongly affected by the spray impingement. When the spray tip approaches the chamber wall, a transient process promoting air-fuel mixing occurs. During this process the spray angle is rapidly increased by 5-8°. However excessive impingement will form a stable...

An investigation on confined fuel spray characteristics in a D. I. diesel engine was conducted by using the high speed laser shadowgraphy and the technique of gaseous simulation. The results show that the air-fuel mixing process in a D. I. diesel engine is strongly affected by the spray impingement. When the spray tip approaches the chamber wall, a transient process promoting air-fuel mixing occurs. During this process the spray angle is rapidly increased by 5-8°. However excessive impingement will form a stable layer of rich mixture with low turbulence intensity and low concentration fluctuation. The toroidal movement was also observed around the spray tip near the wall when impingement occurred. A model analysis reveals that it would hamper the combustion products mixing with air and increase NO_x emission.

本文利用激光阴影法和气体模拟方法研究了中小缸径直喷式柴油机受限喷雾特性.实验发现燃烧室壁面对油束发展的干涉对柴油机燃空混合过程具有重要影响.当油束与壁面撞击时,出现一个强化紊流混合的过渡过程.此时喷雾锥角增大,空气卷吸率提高.当油束沿壁面发展时,存在很大的近壁浓度梯度,但由于近壁区域低紊流强度和低浓度脉动,油束在垂直于壁面方向上扩散率比空间油束径向扩散率低得多,使浓混合气集中于壁面,形成相对稳定浓混合气堆积.壁喷出现之后,喷射诱导的气流运动在油束周围形成环涡运动,环涡运动抑制空气与燃烧产物的混合,使产物高温持续时间加长,NO_x排放增加.

 
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