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Transient Modeling and Simulation of a Multiple-Stage Evaporator in the Paper Industry
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2021-12-31 , DOI: 10.1002/ceat.202100387 Smitarani Pati 1 , Om Prakash Verma 1 , Raj Kumar Arya 2 , Anurag Kumar Tiwari 2
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2021-12-31 , DOI: 10.1002/ceat.202100387 Smitarani Pati 1 , Om Prakash Verma 1 , Raj Kumar Arya 2 , Anurag Kumar Tiwari 2
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The present work investigates the energy performance analysis of a heptad-based multiple-stage evaporator (MSE) under steady and transient conditions, integrated with different energy reduction schemes (such as steam split, feed split, and feed preheater). The steady-state analysis was performed to optimize the steam economy subjected to the developed steady-state energy models as the equality constraints. The simulated optimization is a maximization problem and is solved by Interior-Point Optimizer and Gray Wolf Optimizer on two different platforms, GAMS and MATLAB, respectively. Further, transient and stability analyses were performed by developing and representing the nonlinear dynamic energy models to the state-space representation using linearization.
中文翻译：
造纸行业多级蒸发器的瞬态建模与仿真
目前的工作研究了基于七元组的多级蒸发器 (MSE) 在稳态和瞬态条件下的能量性能分析，并结合了不同的能量降低方案（如蒸汽分流、进料分流和进料预热器）。进行稳态分析以优化蒸汽经济性，以开发的稳态能量模型作为等式约束。模拟优化是一个最大化问题，分别在两个不同的平台 GAMS 和 MATLAB 上由内点优化器和灰狼优化器解决。此外，瞬态和稳定性分析是通过开发非线性动态能量模型并将其表示为使用线性化的状态空间表示来进行的。
更新日期：2021-12-31
中文翻译：
造纸行业多级蒸发器的瞬态建模与仿真
目前的工作研究了基于七元组的多级蒸发器 (MSE) 在稳态和瞬态条件下的能量性能分析，并结合了不同的能量降低方案（如蒸汽分流、进料分流和进料预热器）。进行稳态分析以优化蒸汽经济性，以开发的稳态能量模型作为等式约束。模拟优化是一个最大化问题，分别在两个不同的平台 GAMS 和 MATLAB 上由内点优化器和灰狼优化器解决。此外，瞬态和稳定性分析是通过开发非线性动态能量模型并将其表示为使用线性化的状态空间表示来进行的。
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