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Article citations


Vollmer, S. and Kleinhans, M.G. (2007) Predicting Incipient Motion, Including the Effect of Turbulent Pressure Fluctuations in the Bed. Water Resources Research, 43, W05410.

has been cited by the following article:

  • TITLE: Decay of Pressure Fluctuation in the Hyporheic Zone around a Cylinder

    AUTHORS: Timothy Calappi, Carol Miller

    KEYWORDS: Hyporheic, Pressure, Cylinder, Scour

    JOURNAL NAME: World Journal of Mechanics, Vol.6 No.4, April 29, 2016

    ABSTRACT: Erosion around a submerged cylinder is a well-studied problem, and is of particular interest in bridge pier scour applications. Particles erode when lift and drag forces overcome a critical threshold. These forces are typically studied from above the water-riverbed interface and are related to geometry and surficial processes. The present study maps hyporheic pressure fluctuations as they are related to surface water velocity fluctuations. Relatively, high-pressure events in the subsurface promote a destabilizing force from within the riverbed and increase the potential for the mobilization of sediment. Differential pressure transducers were fitted within a vertical cylinder in a movable bed flume. The pressure ports were flush with the cylinder surface and below the water-sand interface. The three-orthogonal components of velocity were recorded synchronously with differential pressure measured over a 15 mm depth. As expected, results show decay in pressure fluctuations as a function of depth.