搜索结果: 121-135 共查到“知识库 化工过程控制与模拟”相关记录180条 . 查询时间(6.242 秒)
A release model for diffusion-controlled monolithic matrix coated with outer membrane system is proposed and solved by using the refined double integral method. The calculated results are in satisfa...
Based on the experiments on freeze-drying carrot and potato slabs, the effects of some parameters, such as heating temperature and pressure on the freeze-drying process are examined. A simple model ...
利用固定化L-天冬酰氨酶进行血液净化治疗白血病的数学模型研究
bioseparation blood purification immobilized enzyme L-asparaginase
2009/3/5
Plasma was purified in an immobilized L-asparaginase column. The predicted results are in good agreement with experimental data. It is indicated that the mathematical model is suitable for the mass ...
螺旋片导流式气液分离器的数值模拟与试验研究
螺旋片导流式气液分离器 数值模拟 试验研究
2009/3/5
The gas/liquid spiral separator, a key component in the compressed air system, was used to remove liquid and oil from gas stream by centrifugal and gravitational forces. To optimize the design of the ...
An accurate one-dimensional, heterogeneous model taking account of axial dispersion and heat transferto the reactor wall, and heat conduction through the reactor wall for methanol synthesis in a ben...
酶膜耦合反应器中反冲过程的神经网络模拟
酶膜耦合反应器 反冲过程 神经网络模型
2009/3/5
In the enzymatic membrane reactor for separating casein hydrolysate, backflushing technology has been used to decrease the fouling of the membrane. Predication of the backflushing efficiency poses a ...
气固可压缩湍射流中颗粒扩散的直接数值模拟
数字模拟技术 离子分散体系 气-固压缩紊流 计算方法
2009/3/4
A numerical method was developed to directly simulate the compressible, particle-laden turbulent jets.The fourth order compact finite difference schemes were used to discretize the space derivatives. ...
The Large-eddy simulation (LES) with two-way coupling is used to study bubble-liquid two- phase confined multiple jets discharged into a 2D channel. The LES results reveal the large-eddy vortex struct...
三元催化器冷起动排放的数值模拟：数学模型与结果分析
数学模型 排气净化器 冷启动 GSA 汽车
2009/3/4
This paper integrated a two-dimensional axisymmetrical transient model applicable to cold-start emission applications. The model can be used to simulate and explain effects of the flow and temperature...
求解大规模优化问题的修改增广Lagrange乘子法
modified augmented Lagrange multiplier methods chemical engineering optimization
2009/3/4
Chemical process optimization can be described as large-scale nonlinear constrained minimization. The modified augmented Lagrange multiplier methods (MALMM) for large-scale nonlinear constrained min...
双亲分子在油水界面的协同效应：Monte Carlo模拟研究
气水界面 蒙特卡洛模拟 增效作用 两性分子
2009/3/2
Amphiphile-oil-water system is complicated. The real behavior of amphiphile in the interface is still undnown despite that this behavior is very important in determining the stability of emulsion syst...
输入训练神经网络的维数约简算法及其在化工过程建模中的应用
chemical process modelling input training neural network nonlinear principal component analysis
2009/3/2
Many applications of principal component analysis (PCA) can be found in dimensionality reduction. But linear PCA method is not well suitable for nonlinear chemical processes. A new PCA method based on...
The fluid flow and oil-water separation were simulated using a Reynolds stress transport equationmodel of turbulence in water flow and a stochastic model of oil droplet motion. Simulation results gi...
The transition from froth to spray regime on sieve trays was experimentally studied in an air/water simulator with 300mm diameter. It has been found that the regime transition occurs as the clear li...
In the commercial utilization of rigid ceramic filters, the performance of pulse cleaning has crucial effects on the long-term stable operation. In order to get a clear insight into the nature of this...