1) multi-stream heat exchanger network
多流股换热器网络
1.
The synthesis of multi-stream heat exchanger network(MSHEN) is modeled as a mixed integer non-(linear) programming problem(MINLP) that possesses large scale,many constraints and severe non-convexity and nonlinearity,thus resulting in many local optima.
多流股换热器网络综合问题是一个混合整数非线性规划问题(M INLP),这类问题规模大、约束条件多,严重的非凸非线性使得目标函数存在多个局部最优解。
2.
A method of synthesizing multi-stream heat exchanger network of low temperature process is presented,which can be solved by Genetic/Simulated Annealing algorithm(GA/SA) optimizing stream heat transfer temperature difference contribution values,and a reasonable multi-stream heat exchanger network is obtained.
利用虚拟温度法(流股有效温位)对国内某乙烯装置冷箱系统进行用能诊断分析,找出过程系统的用能“瓶颈”,并针对低温过程传热温差较小以及冷公用工程采用中间公用工程的特点,提出了低温过程多流股换热器网络的综合方法;该方法能够有效的利用冷热流股的有效温位,使冷公用工程的操作费用达到最小,得到合理的换热网络,并且在优化流股传热温差贡献值过程中,考虑了各流股温度、传热膜系数和换热器材质的影响,因此可以用于不同材质、不同传热膜系数低温换热网络的设计和优化;将该方法应用于国内某乙烯装置冷箱系统的综合中,与现场用能情况相比,冷公用工程用量降低了44。
2) multi-stream heat exchanger networks synthesis
多流股换热器网络综合
1.
The multi-stream heat exchanger networks synthesis (HENS) problem can be formulated as a mixed integer nonlinear programming (MINLP) model according to Yee, et al.
因此对遗传算法进行多流股换热器网络综合的方法进行了研究,最后通过例题证明了方法的有效性。
2.
Different from the assumption of isothermal mixing of stream splits and thus linearity constraints in literature, non-isothermal mixing was proposed, and a corresponding mathematical model for multi-stream heat exchanger networks synthesis problem was setup.
建立了多流股换热器网络综合数学模型,该模型改进了文献中等温混合的不合理假设。
3) multi-stream heat exchanger networks
多股流换热器网络
5) multi-stream heat exchanger
多流股换热器
1.
In this work multi-stream heat exchanger network(MSHEN) synthesis approach is applied to the crude oil pre-heating network reformation of atmospheric and vacuum distillation unit of a petrochemical company.
以原油常减压蒸馏装置原油预热网络为研究对象,进行了多流股换热器网络的实例综合。
2.
Compared with traditional two-stream heat exchangers, multi-stream heat exchangers possess many advantages such as high efficiency, compact structure and low cost.
多流股换热器网络是一种新型的换热器网络。
6) multi-stream heat exchanger
多股流换热器
1.
Application of temperature-difference uniformity optimization principle to path arrangement of multi-stream heat exchangers;
多股流换热器设计的量纲1温差场均匀性优化因子
2.
Based on the accurate mathematic control in multi-stream heat exchangers,target function was established by adjusting proportion of assistant fluids to obtain minimum energy consumption for plate-fin parallel heat exchangers,and optimization operation is searched.
在多股流换热器精确数学控制的基础上,针对板翅式平行流多股流换热器,从最小能耗的角度确定辅助流体间的最佳调节组合并建立优化目标函数,对其进行了运行优化的研究,它可以快速的求解出最小能耗下辅助流体间的最佳调节组合。
3.
Based on the accurate mathematic control in multi-stream heat exchangers,a object function is made by adjusting proportion of assistant fluids to obtain minimum energy consumption for plate-fin parallel heat exchangers,and optimization operation is studied.
本文在多股流换热器精确数学控制的基础上,针对板翅式平行流多股流换热器,从最小能耗的角度确定辅助流体间的最佳调节组合建立优化目标函数,对其进行了运行优化的研究。
补充资料：流股
分子式：
CAS号：
性质：流程模拟中表示在一个流程中各单元设备之间的联系。流股有三种类型：(1)物料流股—代表物料输送管线；(2)能量流股—代表单元设备之间或物流之间的热量传递或功传递；(3)信息流股—表示信息传递。流股是模拟中用的符号，与现场实物并非一一对应的关系。
CAS号：
性质：流程模拟中表示在一个流程中各单元设备之间的联系。流股有三种类型：(1)物料流股—代表物料输送管线；(2)能量流股—代表单元设备之间或物流之间的热量传递或功传递；(3)信息流股—表示信息传递。流股是模拟中用的符号，与现场实物并非一一对应的关系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条