The overall cracking model was constructed on the basis of the kinetic models of each lump . this five - lump model was used to simulate the cracking process of tars from different sources and under different cracking conditions , and good results were achieved by comparison with experiment data 利用实验数据拟合得到各集总转化的动力学参数，并以此构建各集总转化过程的动力学模型和整体焦油转化过程的动力学模型，并取得了良好的效果。
A novel model for residual fluid catalytic cracking process ( rfcc ) is proposed . it divides the whole reactor into two part : the riser as ideal pipe flow reactor and the sett - ler as ideal cstr . the model contains six lumps reaction kinetics with serial and parallel network 通过将实际装置中发生裂化反应的提升管和沉降段反应器分别考虑为理想的活塞流反应器和连续搅拌式反应器，建立了简化的渣油催化裂化反应6集总组分的串行和并行反应动力学网络模型。
The relationships between extinction - ration , half - wave voltage and electrode structure have been analyzed with transfer matrix theory and effective index method . the following conclusions have been made : 1 ) . the electrode width can be optimized to get the lowest half - wave voltage of boa - type optical switch 我们设计的集总电极型boa光开关理论3db调制带宽大于2 . 5ghz ，半波电压为5v ，消光比大于40db ，对tm模的理论衰减大于45db ，而对te模的损耗小于0 . 15db 。
When analyzing skew support continuous curved box girder bridge , curved grid girder analyzing method considering warping effect is applied . matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing . in order to convert original rigidity equations to structural rigidi ty equations that can be solved , bearing nodal displacement matrix can be introduced , then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings , unit rigidity matrix and unit nodal forces can be gained . structural rigidity matrix can be composed according to matrix displacement method , so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved 分析斜支承连续曲线箱梁桥时，采用考虑翘曲作用的曲线格子梁分析方法，应用矩阵位移法对具有约束支承形式的斜支承连续曲线薄壁箱梁桥进行分析，考虑到支座的约束条件并不与梁端弯曲角位移和扭转角位移的方向一致，引入支座节点坐标矩阵，使得梁端的位移未知量与斜支座约束方向一致，来计算单元刚度矩阵和单元节点力，然后按照矩阵位移法组集总刚并建立结构刚度方程，根据结构刚度方程即可求解未知的节点位移及杆端力，推导出任意截面处的内力计算公式。
In order to study the operation characteristics of hpacdhws , distributed parameter simulation models of the fin heat exchanger and the plate heat exchanger are built up . the compressor model is founded in map - based method , and the thermodynamics expansion value model is built up in force balance method . the dynamic system model is the efficient connection of all component models by laws of equalization of mass , momentum and energy 为了研究hpacdhws的运行特性,本文利用分布参数法分别建立了翅片管换热器和板式换热器的动态数学模型,采用图形法和力平衡法分别建立了压缩机和热力膨胀阀的集总参数计算数学模型,并基于质量、动量和能量守恒定律等约束条件,建立了hpacdhws的动态仿真模型。
The process mechanism of tar cracking was investigated in kinetics view , in which a five - lump kinetic model was erected . the whole tar was divided into five lumps of different kinetic behavior in cracking process , and the kinetic parameters used to construct the kinetic model of each lump was achieved by optimally fitting experiment data 在从动力学角度研究焦油催化裂化过程中，采用集总的思想将整体焦油划分为具有不同动力学行为的五个集总，集总中的各组分的动力学行为都由集总来代表。
