Measurement of Cone-Cylinder Deceleration in Sand

Stephan Bless, Sophia R. Mercurio, Magued Iskander, James Mathis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Cone cylinders measuring 25 mm in diameter and weighing 108 g were shot into dense silica sand beds, mostly at 200 m/s, using a vertical-firing 75-mm diameter compressed-air gun. Velocity-time records were obtained with a multichannel homodyne photon Doppler velocimeter (PDV). Good values for deceleration were obtained below about 150 m/s. In terms of Poncelet parameters, the Poncelet drag coefficient for dense sand was bivalued, being 2.0 above about 80 m/s and 1.5 below that, and was unaffected by saturation. It was about 1.0 for medium dense sand. Values of the R term were 250–450 kPa.

Original languageEnglish (US)
Title of host publicationDynamic Behavior of Materials, Volume 1 - Proceedings of the 2022 Annual Conference on Experimental and Applied Mechanics
EditorsSteven Mates, Veronica Eliasson, Paul Allison
PublisherSpringer
Pages29-37
Number of pages9
ISBN (Print)9783031174520
DOIs
StatePublished - 2023
EventSEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2022 - Pittsburgh, United States
Duration: Jun 13 2022Jun 16 2022

Publication series

NameConference Proceedings of the Society for Experimental Mechanics Series
ISSN (Print)2191-5644
ISSN (Electronic)2191-5652

Conference

ConferenceSEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2022
Country/TerritoryUnited States
CityPittsburgh
Period6/13/226/16/22

Keywords

  • Drag
  • PDV
  • Poncelet
  • Sand
  • Vertical impact

ASJC Scopus subject areas

  • Engineering(all)
  • Computational Mechanics
  • Mechanical Engineering

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