This paper presents an improved method of time-domain modeling of pressure wave propagation through liquid media in rigid tapered pipes. The method is based on the transmission line model (TLM), which uses linear transfer functions and delays to calculate the pressures and/or flows at the pipe inlet and outlet. This method is computationally efficient and allows for variable rate simulation. The proposed form of the model differs from previous TLM models in the literature, allowing it to accurately model both low and high frequency characteristics.
Transmission Line Modeling of Laminar Liquid Wave Propagation in Tapered Tubes
St. Brieux, SK S0K 3V0, Canada
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received December 17, 2018; final manuscript received March 18, 2019; published online April 15, 2019. Assoc. Editor: Luigi P.M. Colombo.
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Wiens, T., and ven der Buhs, J. (April 15, 2019). "Transmission Line Modeling of Laminar Liquid Wave Propagation in Tapered Tubes." ASME. J. Fluids Eng. October 2019; 141(10): 101103. doi: https://doi.org/10.1115/1.4043235
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