Transfer function-based analysis of the frequency-domain properties of a double pipe heat exchanger

被引:13
|
作者
Bartecki, Krzysztof [1 ]
机构
[1] Opole Univ Technol, Inst Control & Comp Engn, PL-45272 Opole, Poland
关键词
SYSTEMS; MODELS; SIMULATION;
D O I
10.1007/s00231-014-1410-5
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper discusses irrational transfer function representation for a typical thick-walled double pipe heat exchanger. Closed-form analytical expressions for the individual elements of 2 x 2 transfer function matrix are derived both for the parallel- and the counter-flow configurations using the Laplace transform method. Based on the transfer function representation, its frequency responses are demonstrated both in the form of three-dimensional graphs as well as classical, two-dimensional Bode and Nyquist plots. Finally, steady-state temperature profiles are presented and compared for both flow arrangements considered.
引用
收藏
页码:277 / 287
页数:11
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