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

Reference:

Johnston, N., 2012. The transmission line method for modelling laminar flow of liquid in pipelines. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 226 (5), pp. 586-597.

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Official URL:

http://dx.doi.org/10.1177/0959651811430035

Abstract

The transmission line method (TLM) is a very efficient method for dynamic modelling of flow in pipelines, and uses delay elements to represent wave propagation. In this paper an existing TLM model 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 TLM and an analytical model. The model has been implemented in simulation of a number of highly dynamic systems, and has been found to be robust and reliable.

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