本文提出了描述并联沸腾管内两相流密度波型脉动的线性均相模型。
This paper presents a linear homogeneous model describing two-phase flow instability.
根据两相流的均相模型，对压力降型脉动的周期和振幅进行了数值计算。
Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.
建立了此反应器的二维拟均相模型，用正交配置方法离散后求解了床层的径向与轴向温度及浓度分布。
Orthogonal collocation method was used to discretize the two dimensional pseudo-homogeneous model used and the temperature and concentration profiles were calculated.
本文基于均相模型，运用非线性分岔理论，计算预测了两相自然循环系统静态分岔(流量漂移)解图。
Based on homogeneous model and with the application of nonlinear bifurcation theory, this paper presents prediction of static bifurcation (flow excursion) diagram of two-phase natural circulation.
本文基于分岔理论及DERPAR数值算法，运用均相模型计算得出典型沸腾两相自然循环系统的静态分岔解图。
Based on theory of bifurcation and DERPAR numerical algorithm, static bifurcation solution diagram of a two-phase natural circulation system is presented, using homogeneous flow model.
建立了适用于模拟固定床水蒸气解吸的均相模型，并对实验结果进行模拟计算，结果表明，所建模型与实测结果能很好吻合。
A mathematical model has been developed to simulate the process of the desorption. The result shows that the simulated result can be in good agreement with the experimental one.
估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。
Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
本文介绍了压水堆核电厂蒸汽发生器的一维均相流瞬态分析模型。
This paper presents an one-dimensional homogeneous flow model for thermal-hydraulic transient behaviour of PWR steam generators.
采用拟均相二维模型，对乙烯环氧化制环氧乙烷工业反应器的床层导热性能进行了模拟与分析。
The heat transport of catalyst bed in industrial reactor for epoxidation of ethylene to epoxy ethane has been simulated and analyzed by pseudo-homogeneous two-dimensional model.
由该模型对95个聚合物的折光率进行预测，平均相对误差为0.959％。
The average prediction error by this model is 0.959% for the refractive index of 95 amorphous homopolymers.
基于气液两相流理论，建立了垂直上升管内液氮气液两相流动的一维均相流模型；
One-dimensional homogeneous model based on the gas-liquid two-phase flow theory was established.
以穿透降雨为例，其模型模拟结果与实验比较，相对误差不超过2%，与野外观测比较，多次平均相对误差为6%。
Relative errors between simulation results of model and experiment were lower than 2%, and between model and field observation lower than 6% by the example of throughfall.
采用一维拟均相绝热径向反应器模型模拟乙苯负压脱氢径向反应器。
An one dimensional homogenous adiabatic fixed bed reactor model was adopted to simulate a radial flow reactor for dehydrogenation of ethylbenzene to styrene under vacuum.
基于气液两相当地均相介质模型，本文给出了一种模拟非定常粘性空化流动的计算模型。
A computational model for the treatment of unsteady, viscous cavitating flows is described in this paper.
指出计算压力和温度力学模型的重要性，计算压力的“均相分布”理论不被实验所证实。
Pointing out the importance of model to calculate pressure and temperature. The "theory of homogeneous phase distribution" for calculating pressure is not verified by experiments.
模拟的结果显示ANN模型比线性回归模型有更好的预测能力，预测的平均相对误差：ANN模型为14.9%，线性回归模型为25.8%。
Simulation results showed that the ANN model gave better predictions than the regressive model. The average relative error of ANN was 14.9% and that of linear regression was 25.8%.
利用BP神经网络模型实现了对造纸废水处理过程的预测，平均相对误差为19%，表明网络泛化能力不是很好。
The effluent treatment process was predicted with this BP neural network model with the average relative error of 19%, which indicates that the generalization power of the network is not so desirable.
采用均相流模型计算两相流中的沿程压力损失以预测真空排污系统的输送能力。
The homogeneous phase flow model was used to calculate the pressure loss throughout the system, in order to forecast the transfer capacity of the system.
这一模型考虑了各相平均速度之间的差异，克服了以往均相流动模型的缺点。
This model takes into account the difference of average velocities between gas-phase and liquid-phase, which overcomes the defect of mean-phase flow model.
本模型对均相间歇共沸精馏有一定的指导意义。
The model was useful for the operation of batch distillation.
该导电模型可解释非均相玻璃态快离子导体的显微结构对其电导性质的影响，较好地预言了非均相玻璃态快离子导体的导电行为。
The conduction model can be used to explain the effect of the microstructure of heterogeneous GFIC on its conduction property and to predict its conduction behaviour.
用两相质子系统模型研究了非均相分子筛中的交叉弛豫效应。
The effects of cross-relaxation are investigated by treating a heterogeneous zeolite system as a two-phase proton system.
总结了液-液非均相混合过程中的液滴运动速率计算模型，分析了液滴破碎及合并的机理。
Theoretical models for the calculation of the droplet velocity in the liquid-liquid heterogeneous mixing are reviewed. Breakage and coalescence mechanism of the droplets are analyzed.
对于不适于均相流模型的流型的模型给出了一些建议。
实验结果表明，模型预测结果的平均相对误差为10.316%，相对标准差为12.895%，满足工程实际要求。
Experiment shows that the average relative error of predicted results is 10.316% and the relative standard error is 12.895%, thus it satisfying requirements of the engineering.
实验表明，与计算机模拟结果吻合较好，与均相流模型相比，精度有所提高。
The results of the computation well agree with the experiments. Compared with the homogeneous phase flow model, it is indicated that the accuracy of the simulating model is improved.
建立了充填国产s101钒催化剂的、单段流向变换周期操作固定床反应器的非均相动态模型。
The heterogeneous transient model of a fixed - bed reactor packed with vanadium catalyst, S101, for catalytic oxidation of SO2 and operating in a flow direction switched periodically was developed.
模型一般以模型还原值与实际值平均相对误差检验模型的模拟精度。
Generally GM (1,1) model takes the average relative error between restored value of the model and real value as the criterion to evaluate the simulation precision.
对该模型进行修正后得到气相流量最大相对误差5.93%，平均相对误差0.93%，累计流量相对误差0.13%。
As for the corrected models, the maximal relative error, the average relative error, the accumulate flow error are 5.93%, 0.93%, 0.13% respectively.
分析和验证了一些具有代表性的两相孔板流动模型，提出了修正均相流动模型。
Some typical correlations for the two-phase flow measurements with orifices are analysed and verified. A modified homogeneous flow model is presented.
应用推荐