An experimental study of ultrasonic vibration and the penetration of granular material
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This work investigates the potential use of direct ultrasonic vibration as an aid to penetration of granular material. Compared with non-ultrasonic penetration, required forces have been observed to reduce by an order of magnitude. Similarly, total consumed power can be reduced by up to 27%, depending on the substrate and ultrasonic amplitude used. Tests were also carried out in high-gravity conditions, displaying a trend that suggests these benefits could be leveraged in lower gravity regimes.
CitacióFirstbrook, D., Worrall, K., Timoney, R., Suñol, F., Gao, Y., Harkness, P. An experimental study of ultrasonic vibration and the penetration of granular material. "Proceedings of the Royal Society A. Mathematical physical and engineering sciences", 1 Febrer 2017, vol. 473, núm. 2198, p. 1-16.
Versió de l'editorhttp://rspa.royalsocietypublishing.org/content/473/2198/20160673