Qualitative Modelling and Manipulated Factor Search in Nonlinear Reaction-Separation Systems

本研究引入时间Petri网来实现对具有扩散放热反应的剪切流的非线性波中的并发交互过程的系统分析，并利用高效液相色谱实现非线性血清蛋白质的分离。通过对上述过程的建模和仿真，得到了以下结果。对具有扩散放热中和的液体剪切流动中的粘性非线性波动进行了实验研究，并基于反应物、热和动量的量子化，用时间Petri网对振荡机理进行了建模。粘度对温度的依赖关系对于模型来说是非常重要的。在血清蛋白质高效液相色谱分离中，实验研究了过载和进样浓度对分离过程的非线性影响，并用时间Petri网描述了分离过程中的非线性操作。基于上述模型的仿真清楚地显示了状态变量与操作因素之间的非线性关系。上述结果表明，在上述过程中，液体粘度是最重要的操作因素。

This study introduced a timed Petri net to realize system analysis of concurrent interactive processes in nonlinear waves of a shear flow with a diffusive exothermic reaction and nonlinear serum protein fractionation using liquid chromatography. Through modelling and simulation of the above processes, the following results were obtained.1. Viscous nonlinear waves in a liquid shear flow with a diffusive exothermic neutralization were experimentally investigated and the mechanism of oscillation was modelled based on the quantization of reactants, heat and momentum using a timed Petri net. The dependence of viscosity on temperature was very important for the model.2. In serum protein fractionation using liquid chromatography, the nonlinear effects of the overload and the concentration of injection were experimentally investigated and the nonlinear operation of fractionation could be represented using a timed Petri net.3. Simulation based on the above models clearly showed the nonlinear relation between state variables and manipulated factors.The above results made clear that the viscosity of liquid was the most important as a manipulated factor in the above processes.