Activities per year
A new method for the approximation of the explicit probability of entrainment for individual coarse particles is presented. The method is based on the derivation of inertial acceleration measurements, space-state approximation of the dynamics close to entrainment, and the probabilistic approximation of the threshold inertial acceleration that causes incipient motion. Results from flume experiments with a custom-made inertial measurement unit enclosed in an idealized spherical enclosure, under varied flow conditions (achieved through slope change) and two different arrangements (saddle and grain-top positions) are presented to demonstrate the application of the method. The analysis supports the modification of the existing flow velocity-based entrainment criteria so they respect the particle-frame realization of forces during incipient motion.
|Journal||Journal of Hydraulic Engineering|
|Publication status||Published - 4 Nov 2016|
- Grain entrainment
- Incipient motion
- Inertial sensors
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- 1 Visiting an external academic institution
University of British Columbia
George Maniatis (Visiting researcher)Sep 2013 → Dec 2013
Activity: Visiting position › Visiting an external academic institution