About: Vortex ring

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Torus-shaped vortex in a fluid or gas

Property	Value
dbo:description	вихрь в жидкости или газе, где картина течения принимает форму тороида (ru) torus-shaped vortex in a fluid or gas (en) vórtice de configuración toroidal que se forma en un fluido (es)
dbo:thumbnail	wiki-commons:Special:FilePath/Vortex_Ring_Gun_Schlierin.jpg?width=300
dbo:wikiPageExternalLink	http://blogs.scienceforums.net/swansont/archives/5817 http://cas.umkc.edu/physics/sps/projects/vortex/vortex.html http://www.amasci.com/wing/smring.html http://scholarbank.nus.edu.sg/handle/10635/16569 https://web.archive.org/web/20150922030158/http:/maxwell.ucdavis.edu/~cole/phy9b/notes/fluids_ch3.pdf https://www.youtube.com/watch%3Fv=72LWr7BU8Ao https://www.youtube.com/watch%3Fv=gjg04wuvVYg https://www.youtube.com/watch%3Fv=pnbJEg9r1o8
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dbp:date	March 2020 (en)
dbp:reason	How can something be both toroidal and poloidal? They refer to two different directions on a torus. (en)
dbp:wikiPageUsesTemplate	dbt:Commons_category dbt:Main dbt:Reflist dbt:Clarify dbt:Citation_needed dbt:Expand_list dbt:Fact dbt:Short_description
dct:subject	dbc:Helicopter_aerodynamics dbc:Aviation_risks dbc:Aerodynamics dbc:Vortices
gold:hypernym	dbr:Vortex
rdfs:label	Vortex ring (en) الدوامة الحلقية (ar) Anillo de vórtice (es) Тороидальный вихрь (ru) Вихрове кільце (uk)
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foaf:depiction	wiki-commons:Special:FilePath/Anello_di_fumo_Etna_da_Zafferana.jpg wiki-commons:Special:FilePath/Vortex_Ring_Gun_Schlierin.jpg wiki-commons:Special:FilePath/Vortex_ring.gif wiki-commons:Special:FilePath/Vortex_ring_helicopter.jpg wiki-commons:Special:FilePath/Photos-photos_1088103921_Floating.jpg
foaf:isPrimaryTopicOf	wikipedia-en:Vortex_ring
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