Improved Orthogonal Collocation Method and its Application to Dynamic Optimization Problems of Chemical Process 改进正交配置算法及其在化工过程动态优化问题中的应用
Study on Gas-Liquid Reaction in Liquid Film Applying Orthogonal Collocation Method 用正交配置法研究液膜内的气液反应过程
Generalized model equations of packed bed electrochemical reactors is solved by using of combining the orthogonal collocation and finite difference methods. The study shows that this method is a fast and effcetive one to solve partial differential equations with complex boundary-value problems. 以有限差分法与正交配置法联用对填充床电化学反应器的模型方程进行了求解,结果表明该法是一种快速、有效地求解具有较为复杂的边界条件的偏微分方程的计算方法。
Use the orthogonal collocation method to solve the Robin problem of the catalyst pellet in the finite length cylinder form, and study the branch phenomena and the multiplicity domain of these solution. 利用正交配置法,求解有限长圆柱体催化剂颗粒中的Robin问题。研究了解的分支现象和多态区域。
Oxidation of o xylene has been taken as a reaction system in this paper. Orthogonal collocation method and continue program are used to solve the model of the system numerically. 以邻二甲苯氧化制苯酐为工作反应,采用正交配置法和连续性算法对带有轴向导热的一维拟均相模型进行模拟计算,得到了反应器发生多态的区域。
A mass transfer reaction dynamics model for simultaneous absorption of two gases with chemical reaction in liquid medium is developed based on the film theory model. The method of orthogonal collocation ( OC) is suggested for solving the model. 用双膜理论建立了两种气体同时化学吸收的传质-反应动力学模型,并用正交配置法(OC)对方程组进行了数值求解。
Models of pore diffusion were established 'The combination of orthogonal collocation method and Gear's method was applied to correlate the experimental data. 建立了离子交换过程的孔扩散模型,并以正交配置法与Gear法结合进行数据拟合。
Solve the Dirichlet problem of the catalyst pellet in the finite length cylinder form by making use of the orthogonal collocation method. 用二维的正交配置法求解有限长圆柱体催化剂颗粒中的Dirichlet问题。
The process of the solution of the boundary value problems of the ordinary differential equation and the partial differential equation by orthogonal collocation method is interpreted. 系统介绍了正交配置法求解常微分和偏微分方程(组)两点边值问题的过程。
The surface diffusion model were established to simulate the adsorption process of sisomicin on the exchange resin D113.The model was solved by orthogonal collocation method. 在动力学研究中,建立了西索米星在D113(皖)树脂上的吸附表面有效扩散模型,利用正交配置法求解动力学模型。
Douglas and Dupont deeply discussed the spline collocation methods for nonlinear parabolic: initial-boundary value problems in one space variable. They considered the use of orthogonal collocation method combined with various time-stepping procedures and got, some optimal results. Douglas与Dupont在文献[1]-[4]中深入讨论了一维非线性抛物初边值问题的样条配置法,他们把正交配置法与各类时间离散方法相结合,得到了很好的结果。
The dynamical model is obtained by orthogonal collocation technique and bilinear approximations, starting from a nonlinear distributed model. 模型的建立是通过原始非线性分布参数模型的正交配置和双线性近似。
The mathematic model of dimensionless equations is first made discrete by orthogonal collocation method, and then solved by four-order Runge-Kutta. 运用正交配置法将无因次化的径向色谱吸附动力学数学模型离散化后,采用四阶龙格库塔法求解方程组。
In this paper, the two dimensional heterogeneous model was presented and solved using the orthogonal collocation method. 为此利用分层次的反应器建模思想,建立了非恒温非绝热固定床反应器的非均相二维模型,并用正交配置法对该模型进行了求解。
Under the conditions simulated to industrial performance, 20 sets of orthogonal collocation experiments have been carried out, the shift reaction intrinsic rate models of the power type have been determined by means of nonlinear least squares parameter estimation method, the confidence intervals are also evaluated. 在近似工业操作条件下进行了20组正交配置实验,用非线性最小二乘参效估值法确定了幂函数型变换反应的本征速率模型,同时估算了置信区间。
Calculation of the Enhancement Factor of Simultaneous Absorption of CO_2 and COS Applying the Method of Orthogonal Collocation 正交配置法求CO2和COS竞争吸收增强因子
The model established is solved by the orthogonal collocation method and the fourth order Runge-Kutta method. 对建立的模型采用正交配点法和四阶龙格-库塔法求解。
The effectiveness factor of a finite length cylindrical catalyst has been calculated by using orthogonal collocation method on the two-dimensional mo-del. 本文用正交配置法按二维模型计算了有限高度圆住形催化剂的效率因子。
Tow researching methods of design of continuous reactive distillation processes are addressed in this paper Analysis of statics and orthogonal collocation on finite elements ( OCFE). 介绍连续反应精馏过程设计的两种研究方法:静态分析法和有限元正交搭配OCFE法。
Study on Liquid Film Equations of Gas-Liquid Reaction by Applying the Method of Orthogonal Collocation on Finite Elements 用有限元正交配置法研究气液反应的刚性液膜方程
With regard to computing-time, the orthogonal collocation has an advantage over the finite-difference method. 采用正交配置法比有限差分法简单、快速和准确。
High Order Orthogonal Collocation Methods for Time-Dependent Equations 发展型方程的高阶正交配置方法
The method of orthogonal collocation used in chemical engineering with fractal structure 化学工程中分形问题的正交配置法
Construction of orthogonal collocation tables and its application to numeral solution of partial differential equation of adsorption 用正交配置法解微分方程正交配置表的构造及其在吸附偏微分方程数值解中的应用
The method of orthogonal collocation in Euclid's space has been extended to fractal space, with which the numerical computation of reaction-diffusion problem in chemical engineering has been also performed. 将欧氏空间中的正交配置法扩展到分数维的情况,并将它应用于化学工程中具有分形结构的反应扩散问题的计算。
The concentration profile of reaction components in a porous catalyst pellet was calculated with orthogonal collocation, from which the efficiency factors of porous catalysts could be obtained. 采用正交配置法对多孔催化剂颗粒内反应物浓度分布进行了计算,在此基础上可以获得催化剂效率因子的值。
Orthogonal collocation method was used to discretize the two dimensional pseudo-homogeneous model used and the temperature and concentration profiles were calculated. 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。
The questions are solved by using the orthogonal collocation point method, the Newmark method and the iterative method synthetically. 采用配点法和Newmark-β方法对整个问题进行迭代求解。
Discrete model of HTR-PM was developed, using finite element orthogonal collocation method. 采用有限元正交配置法建立了HTR-PM电站全联立的离散化模型。
Using the orthogonal collocation point method and the Newmark method to discretize the unknown variable functions in space and in time domain, the whole problem is solved by the iterative method. 对未知位移函数在空间域采用正交配点法离散,时间域采用Newmark-β方法离散,整个问题采用迭代法求解。