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Experimental Determination of the Drag Coefficient of Conical Penetrators and a Penetrator with a Flat Front End during Supersonic Motion in Sandy Soil

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dc.contributor.authorErofeev, V. I.
dc.contributor.authorTravov, Y. F.
dc.contributor.authorIoilev, A. G.
dc.contributor.authorKapinos, S. A.
dc.contributor.authorGerasimov, S. I.
dc.contributor.authorPisetskii, V. V.
dc.date.accessioned2024-11-29T13:15:51Z
dc.date.available2024-11-29T13:15:51Z
dc.date.issued2021
dc.description.abstract© 2021, Pleiades Publishing, Ltd.Abstract: In this paper, we experimentally determine the drag coefficient when conical and cylindrical impactors penetrate into sandy soil. In the experiments, the half-opening angle of the conical tip of the penetrator (indenter) varied from 10° to 90°. The velocity of indenter movement varied in the range of 0.2–2.0 km/s. The average values of the drag coefficient are obtained for conical bodies during quasi-stationary supersonic motion in sandy soil with an average moisture content of 7–12% and for indenters with a flat front end in sandy soil with a moisture content of 0–16%. A significant dependence of the drag coefficient of thin cones (β < 25°) on the movement velocity and the absence of such a dependence (taking into account the experimental error) for obtuse cones and an indenter with a flat end were shown.
dc.format.extentС. 528-534
dc.identifier.citationExperimental Determination of the Drag Coefficient of Conical Penetrators and a Penetrator with a Flat Front End during Supersonic Motion in Sandy Soil / Erofeev, V.I. [et al.] // Technical Physics. - 2021. - 66. - № 3. - P. 528-534. - 10.1134/S1063784221030087
dc.identifier.doi10.1134/S1063784221030087
dc.identifier.urihttps://www.doi.org/10.1134/S1063784221030087
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85104011778&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000637792200023
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23903
dc.relation.ispartofTechnical Physics
dc.titleExperimental Determination of the Drag Coefficient of Conical Penetrators and a Penetrator with a Flat Front End during Supersonic Motion in Sandy Soil
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue3
oaire.citation.volume66
relation.isOrgUnitOfPublication3d683db7-9a7b-4e1e-8011-ff80d8ac7d34
relation.isOrgUnitOfPublication.latestForDiscovery3d683db7-9a7b-4e1e-8011-ff80d8ac7d34
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