新奇方法论为同时优化合成并且由退火的 genetic/simulated 清洗灵活的热 exchanger 网络(母鸡) 的时间表被介绍算法(GA/SA ) 。通过考虑在最佳的网络拓扑学上对过程犯规的效果，拥有双重的 oversynthesis 的初步的网络结构借助于伪温度热含量(T-H ) 被获得在同时的优化以前的图途径。因此，这个问题的计算复杂性作为 NP (非确定的多项式) 分类完全能显著地被减少。源于初步的合成舞台的有希望的火柴进一步与他们的热交换区域和清洗时间表同时被优化。另外，一个新奇连续时间代表被介绍根据操作热 exchangers，然后灵活母鸡合成的时期细分给定的时间地平线进几可变尺寸的间隔能以动态方式被实现。一个数字例子被提供证明介绍策略是可行的减少全部的年度费用(TAC ) 并且进一步改进网络灵活性，而是甚至更多重要，解决大规模灵活母鸡合成问题可以被使用。

Simultaneous Optimization of Synthesis and Scheduling of Cleaning in Flexible Heat Exchanger Networks

Heat exchanger network synthesis with uncertain source-stream temperatures has been formulated as a fuzzy multi-objective mixed-integer nonlinear programming problem (F-MO-MINLP) to handle the multiple objectives of minimum utility consumption, minimum total area, and even minimum number of matches. Inlet Temperatures are proposed as fuzzy variables. The linear (Triangular) membership function has been employed to describe this variation of Inlet Temperatures at different α-cut values. The effect of variation of the α-cut values on the various objectives has been investigated. The Analytic Hierarchy Process (AHP) has been utilized to obtain the weights of objectives. Two examples are presented to demonstrate the various aspects dealt in the work

Heat-exchanger networks synthesis with fuzzy inlet temperatures using linear membership function and analytic hierarchy process

Fuzzy Heat exchanger network synthesis problem (F-HEN) is formulated as a multi-objective mixed-integer nonlinear programming (F-MO-MTNLP) to handle the multiple objectives of minimum utility consumption, minimum total area, and even minimum number of matches. Heat-capacity flow rates are proposed as fuzzy variables. The nonlinear G-bell membership function has been employed to describe this variation of heat-capacity flow rates. The Fuzzy Analytic Hierarchy Process (FAHP) has been utilized to obtain the weights of objectives. The nonlinear G-bell membership function has also been employed to describe the pair wise Fuzzy Analytic Hierarchy Process. Two examples are presented to demonstrate the various aspects dealt in the work.

Application of Fuzzy Analytic Hierarchy Process to synthesis heat-exchanger networks with Fuzzy heat capacity flow rates

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Application of Fuzzy Analytic Hierarchy Process to synthesis heat-exchanger networks with Fuzzy heat capacity flow rates