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Fast Dynamic Simulation of Distillation Columns with Local Thermodynamic Models and Adomian Decomposition

机译:局部热力学模型和Adomian分解快速动态模拟蒸馏塔

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Dynamic simulation of first-principles distillation models is a very time-consuming task, yet it is necessary for monitoring, control and optimization of such processes. In this sense, this work proposes a discretized Adomian decomposition method coupled with the Local Thermodynamic Model technique in order to speed up the integration of dynamic responses for distillation columns with acceptable accuracy loss. Results show that the combination of both approximation methods can lead to at least 150x faster simulations with respect to a reference solution with equivalent model characteristics.
机译:第一原理蒸馏模型的动态仿真是一种非常耗时的任务,但需要监控,控制和优化这些过程。 从这个意义上讲,这项工作提出了一种离散的ADOMIAN分解方法,其与本地热力学模型技术耦合,以加快蒸馏塔的动态响应与可接受的精度损失的集成。 结果表明,近似方法的组合可以在具有等效模型特征的参考解决方案方面至少增加150倍。

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