The transmission line method for modelling laminar flow of liquid in pipelines

The transmission line method for modelling laminar flow of liquid in pipelines
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DOI：
10.1177/0959651811430035
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发表时间：
2012-02
期刊：
Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering
影响因子：
--
通讯作者：
N. Johnston
N. Johnston
中科院分区：
其他
文献类型：
--
作者：
N. Johnston

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传输线法是一种非常有效的管道流动动态建模技术，它使用延迟单元来表示波的传播。本文对现有的传输线方法进行了研究，发现其存在一些不足。为了避免这些不足，提高暂态和稳态精度，提出了一些调整方法。这种调整后的传输线方法与解析模型吻合得很好。该方法已在多个高动态系统的仿真中得到应用，具有较好的鲁棒性和可靠性。
The transmission line method is a very efficient technique for dynamic modelling of flow in pipelines, and uses delay elements to represent wave propagation. In this paper, an existing transmission line method is investigated and shown to have some deficiencies. Some adjustments are proposed to avoid these deficiencies and enhance the transient and steady-state accuracy. Very good agreement is obtained between this adjusted transmission line method and an analytical model. The method has been implemented in simulations of a number of highly dynamic systems, and has been found to be robust and reliable.