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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2005, Volume 46, Issue 3, Pages 41–49
(Mi pmtf2263)
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This article is cited in 5 scientific papers (total in 5 papers)
Tangential discontinuities of parameters of a polar fluid under shear strain
S. V. Stebnovskii Lavrentyev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090
Abstract:
Possible formation of tangential discontinuities of parameters of a deformable polar fluid is examined by the example of glycerin. It is experimentally established that glycerin under weak shear loads possesses the properties of a non-Newtonian elastoviscoplastic fluid, and formation of tangential discontinuities in viscosity is possible. In the discontinuity region, glycerin has the properties of a low-viscosity fluid, and the structure of the medium is reconstructed after unloading. A rheological equation of the examined fluid is derived, which allows one to analyze the behavior of the medium in different modes of its deformation, including the formation of a local region with reduced viscosity and a tensile stress field.
Keywords:
polar fluid, shear strain, structural viscosity, tangential discontinuities.
Received: 19.03.2004 Accepted: 11.10.2004
Citation:
S. V. Stebnovskii, “Tangential discontinuities of parameters of a polar fluid under shear strain”, Prikl. Mekh. Tekh. Fiz., 46:3 (2005), 41–49; J. Appl. Mech. Tech. Phys., 46:3 (2005), 339–345
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https://www.mathnet.ru/eng/pmtf2263 https://www.mathnet.ru/eng/pmtf/v46/i3/p41
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