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排放模拟
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  emission simulation
     Performance and Emission Simulation of Turbocharged Vehicle Diesel Engine under Transient Conditions
     车用增压柴油机瞬态性能及排放模拟
短句来源
     An Investigation on the Combustion and NO_x Emission Simulation of a Biogas Diesel Duel-Fuel Engine
     生物制气—柴油双燃料发动机的燃烧及NO_x排放模拟计算
短句来源
     In addition,N2O-N emission simulation value a lso was more sensitivity to change of N content in rainfall,while with increasi ng of N content in rainfall period,N2O-N emission simulation value increased w ith non-linearity .
     另外,N2O-N排放模拟值对降雨中N素的含量变化也较为敏感,随着降雨中N素的含量的升高,N2O-N排放模拟值也随着非线性增加。
短句来源
  “排放模拟”译为未确定词的双语例句
     Simulated Calculation of NO_x Emission during Accelerating Process of a Diesel Engine
     柴油机加速工况时NO_x排放模拟计算
短句来源
     The results showed that N2O-N emission s imulation value was more sensitivity than change of soil surface organic C conte nt, with increasing of soil surface organic C content,N2O-N emission simulatio n value increase with linearity.
     结果表明,在一定范围内,在其他条件不变的情况下,N2O-N排放模拟值对土壤初始表面有机碳含量的变化较为敏感,随着土壤初始表面有机碳含量的增加,N2O-N排放模拟值也随着线性增加;
短句来源
     The influences from zone distribution,heat transfer to wall,mass and heat exchange between zones and boundary layer thickness on HCCI engine combustion and emissions were analyzed based on the experimental data.
     以实验为基准,比较了多区模型中区间划分、缸壁传热模型、区间热量交换模型、区间质量交换模型和边界层模型对HCC I发动机燃烧和排放模拟结果的影响,全部计算均基于异辛烷的详细化学动力学机理。
短句来源
     Simulating pollutant emission of motor vehicle during winter in Panjin
     盘锦冬季城区机动车污染物排放模拟研究
短句来源
     The simulation on diffusion of waste gas from the centre area underground traffic tunnel in urban.
     城市中心街道交通隧道废气排放模拟
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  相似匹配句对
     Numerical simulation of side discharges of hot-water into open channel flow
     热水岸边排放的数值模拟
短句来源
     3-D Modeling of Waste Gas Pollution in Atmosphere
     烟气排放污染的三维数值模拟
短句来源
     Simulation of distillation process
     精馏过程的模拟
短句来源
     Statistical Simulation
     统计模拟
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  emission simulation
Here, we will report on the mechanical behavior and performance of these MEMS transducers when excited by two acoustic emission simulation techniques.
      
We collected the current consumption data as we did in direct emission simulation, then we processed the data with amplitude demodulation.
      


Vehicle pollutants are the main sources of urban atmospheric pollution. It is useful to predict pollutant discharge and to simulate pollutant dispersion due to running vehicles in city. Among many factors which control pollutant volume and pollutant diffusion from motors, distributions of vehicle fluxes and forms of districts are strongly related to geographic positions, so it is valuable to integrate simulation model of vehicle pollutants and GIS. This paper gives an example which combines the simulation of...

Vehicle pollutants are the main sources of urban atmospheric pollution. It is useful to predict pollutant discharge and to simulate pollutant dispersion due to running vehicles in city. Among many factors which control pollutant volume and pollutant diffusion from motors, distributions of vehicle fluxes and forms of districts are strongly related to geographic positions, so it is valuable to integrate simulation model of vehicle pollutants and GIS. This paper gives an example which combines the simulation of CAR model and GIS. The main application is developed with Visual Basic, while the GIS part is fulfilled with MapX, a software which integrate many GIS functions into a COM(Component Object Model) objects.

机动车污染是城市大气污染物的重要来源 ,对街区机动车污染排放量的预测和排放模拟对了解城市街区环境污染状况有重要价值。影响机动车尾气污染物扩散的因素很多 ,其中车流量分布、街区形状和地理空间有密切联系 ,因此将机动车尾气污染排放模拟模型和地理信息系统结合起来是很有价值的。文章中将CAR模式的模拟计算和GIS集成在一起 ,通过VisualBasic进行了一个样例开发 ,其中GIS功能由MapX控件实现。

Using neural network theory to predict engine emission behavior has been showed in this paper. To test this method exhaust emissions and engine performance data from intake gas composition variation experiments were taken and compared with the predicted data from this network. The method has been tested and found effective in predicting engine exhaust emissions and engine performance.

利用BP神经网络具有高度非线性映射能力及泛化能力的优势,基于用正交设计法设计的学习样本建立的发动机排放预测模型,实现了对发动机稳态试验台改动最小(或不改动)、所需试验次数最少的发动机工况法排放模拟;并分析了该方法的可行性。

A turbulent methane jet diffusion flame is numerically simulated by using both steady and unsteady flamelet models. The modeling ability of the two models to represent the mean turbulent flame structures, active radicals and pollutant (nitric oxides) emissions is compared. The velocity field is calculated by using k ?e turbulence model and the conserved scalar mixture fraction is computed from its PDF transport equation. The steady flamelets are interpolated from the flamelet library, while the unsteady flamelets...

A turbulent methane jet diffusion flame is numerically simulated by using both steady and unsteady flamelet models. The modeling ability of the two models to represent the mean turbulent flame structures, active radicals and pollutant (nitric oxides) emissions is compared. The velocity field is calculated by using k ?e turbulence model and the conserved scalar mixture fraction is computed from its PDF transport equation. The steady flamelets are interpolated from the flamelet library, while the unsteady flamelets are obtained by solving the flamelet equations and flow field equations interactively. The detailed mechanism GRI-Mech 3.0 is incorporated to describe the methane oxidation and nitric oxides formation. The numerical results are compared with the experimental data extensively, and demonstrate the ability of flamelet models to predict the turbulent non-premixed combustion quantitatively.

采用稳态的和非稳态的火焰面模型同时对一个湍流甲烷射流扩散火焰进行了数值模拟,比较了两者对湍流平均火焰结构、活性自由基和污染物(氮氧化物)排放的模拟效果。速度场采用κ-ε模型计算,守恒标量混合物分数的分布通过其概率密度函数(PDF)输运方程的求解得到。稳态的火焰面结构由查询火焰面数据库得到,而非稳态的火焰面结构由火焰面方程和流场方程耦合求解来计算。采用详细的GRI—Mech 3.0机理描述甲烷的氧化和氮氧化物的形成。数值模拟结果和实验数据作了广泛的对比,验证了火焰面模型对湍流扩散燃烧的定量模拟能力。

 
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