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The Cross-Flow Vortex Investigation around a Submarine Model Using Five-Hole Probe At Various Incidence Angles

Credit to Download: 1 | Page Numbers 7 | Abstract Views: 326
Year: 2015
COI code: OICIRAN06_068
Paper Language: English

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Authors The Cross-Flow Vortex Investigation around a Submarine Model Using Five-Hole Probe At Various Incidence Angles

  Saeed Esfandeh - Msc, Mech. Eng., Malek Ashtar University of technology,
  Mojtaba Dehghan Manshadi - Asist. Prof., Mech. Eng., Malek Ashtar University of technology,
Ali Akbar Dehghan - Assoc. prof., Mech. Eng., university of Yazd, mechanical engineering department,
Ali Saeidinezhad - PhD student, Mech. Eng., university of Yazd, mechanical engineering department,

Abstract:

The features of cross-flow vortices around submarine model (suboff model) are investigated experimentally in this research. The cross-flow vortex is measured by a five hole probe in three sections along submarine length and at various incidence angles α =10°, 15° and 20°. The experimental measurements are conducted at Re = 5.78×105 in a subsonic open circuit wind tunnel at university of yazd. At 10 degrees angle of attack, vortex center were very close to the body in comparison with other two angles of attack. The results show, at 15° angle of attack and higher angles, the separation appears completely at the leeward of the mid body area. Also the separated flow field area increased along the body from mid-body toward after-body. at larger angle of attack like α =20°, the flow separates earlier in the cross flow plane and warps up in two larger and stronger counter rotating symmetric vortices that have larger effect on flow field around submarine model

Keywords:

cross-flow vortex, submarine, five hole probe

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COI code: OICIRAN06_068

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Esfandeh, Saeed; Mojtaba Dehghan Manshadi; Ali Akbar Dehghan & Ali Saeidinezhad, 2015, The Cross-Flow Vortex Investigation around a Submarine Model Using Five-Hole Probe At Various Incidence Angles, 6TH International Conference on Offshore Industries, تهران, انجمن مهندسي دريايي ايران, https://www.civilica.com/Paper-OICIRAN06-OICIRAN06_068.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Esfandeh, Saeed; Mojtaba Dehghan Manshadi; Ali Akbar Dehghan & Ali Saeidinezhad, 2015)
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Type: state university
Paper No.: 7476
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