Use of an interference line (Quincke Tube) for pulsation damping

The Quincke Tube is an arrangement that splits flow equally between two lines of analytically selected lengths. The two flows are then recombined at a downstream junction. The device works because the two flows are out of phase when merged because they travel different distances. A fundamental frequency and its harmonics can be cancelled out with this type of line arrangement [1].

[1] Akers, A., Gassman, M., and Smith, R., 2006, "Hydraulic Power System Analysis", CRC Press - Taylor & Francis Group, ISBN: 0-8247-9956-9, pp. 354

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