Abstract This paper presents an extended methodology for the design of flexible water network (FWN). In many water network systems, parameters of the water-using processes (e.g. flowrate, concentration, etc.) vary due to operational changes. Hence, it is important to synthesize a FWN that can absorb these changes, so to ensure business sustainability. In this paper, the recently established corner point method for FWN synthesis is extended to cater the discrete way of process parameters change. The newly proposed methodology ensures the synthesized FWN to achieve the intended objective, i.e. minimum fresh water intake and minimum total pipeline length, while satisfying the various process constraints (e.g. flowrate, concentration, etc.). To address the multiple-objective problem, a three-step optimization method has been developed. The corner point method is also extended to synthesize a FWN that achieves the minimum total annualized costs (TAC). A literature case study was used to show the usefulness of the proposed method.

中文翻译：

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一种用于柔性水网络合成的扩展角点方法

摘要 本文提出了一种设计柔性供水网络（FWN）的扩展方法。在许多供水网络系统中，用水过程的参数（例如流量、浓度等）因操作变化而变化。因此，重要的是合成一个可以吸收这些变化的 FWN，以确保业务的可持续性。在本文中，最近建立的用于 FWN 合成的角点方法被扩展以适应工艺参数变化的离散方式。新提出的方法确保合成的 FWN 实现预期目标，即最小的淡水摄入量和最小的总管道长度，同时满足各种过程约束（例如流量、浓度等）。为了解决多目标问题，开发了一种三步优化方法。角点方法也被扩展到合成一个 FWN，达到最小的年化总成本 (TAC)。文献案例研究用于显示所提出方法的有效性。