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A platform for research: civil engineering, architecture and urbanism
Calculating the Explicit Probability of Entrainment Based on Inertial Acceleration Measurements
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.
Calculating the Explicit Probability of Entrainment Based on Inertial Acceleration Measurements
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.
Calculating the Explicit Probability of Entrainment Based on Inertial Acceleration Measurements
Maniatis, Georgios (author) / Hoey, Trevor B. (author) / Hassan, Marwan A. (author) / Sventek, Joseph (author) / Hodge, Rebecca (author) / Drysdale, Tim (author) / Valyrakis, Manousos (author)
2016-11-04
Article (Journal)
Electronic Resource
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