Use of Pipeline Wave Propagation Model for Measuring Unsteady Flowrate


Johnston, D. N. and Pan, M., 2010. Use of Pipeline Wave Propagation Model for Measuring Unsteady Flowrate. In: Fluid Power and Motion Control, 2010-09-15 - 2010-09-17.

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A novel method for estimation of unsteady flowrate using pressure at two or three points along a pipeline is described in this paper. The pressure data are processed using a wave propagation model to determine the unsteady flow. Computer simulations show that the proposed method is effective for unsteady flowrate measurement to a high bandwidth. However, if the pressure values from two transducers are used, inaccuracies exist at certain frequencies when the transducer spacing coincides with multiples of half a wavelength. The accuracy can be improved by adding a third transducer with unequal spacing. The comparison and analysis of two-transducer and three-transducer techniques are investigated through simulation. This method may be applied to real time flowrate measurement, control systems or active noise cancellation systems.


Item Type Conference or Workshop Items (Paper)
CreatorsJohnston, D. N.and Pan, M.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
Research CentresCentre for Power Transmission & Motion Control
ID Code22121


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