A matrix approach for steady-state simulation of heat exchanger networks

被引：21
|
作者：
de Oliveira Filho, Luiz O.
Queiroz, Eduardo M.
Costa, Andre L. H.
机构：
[1] Univ Estado Rio De Janeiro, Inst Quim, BR-20550900 Rio De Janeiro, RJ, Brazil
[2] Univ Fed Rio de Janeiro, Escola Quim, BR-21949900 Rio De Janeiro, RJ, Brazil
来源：
APPLIED THERMAL ENGINEERING | 2007年 / 27卷 / 14-15期
关键词：
heat exchanger networks; simulation; graph theory; fouling;
D O I：
10.1016/j.applthermaleng.2007.03.002
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A steady-state simulation scheme for heat exchanger networks is presented. This proposal is based on a matrix approach composed by linear equations where network connectivity is addressed in the model explicitly using graph theory. The structure of the algorithm is flexible allowing the inclusion of the evaluation of heat transfer coefficients, physical properties variation in relation to temperature and pseudo-stationary simulations. The application of the proposed scheme is illustrated by the simulation of a heat exchanger network during a certain period considering the fouling rate. (c) 2007 Elsevier Ltd. All rights reserved.
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页码：2385 / 2393
页数：9
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