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Liquid Crystals and their Application
Russian Journal

Zhidkie kristally i ikh prakticheskoe ispol'zovanie

Жидкие кристаллы и их практическое использование

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Rus Eng


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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2016, 16 (3), 78—86.
DOI: 10.18083/LCAppl.2016.3.78

Non-Newtonian Flow of Structured Systems.
XIX. Blood Flow

E. A. Kirsanov, Yu. N. Timoshin

Author affiliations
Moscow Region State Institute of Humanities and Social Studies,
30 Zelyonaya St., Kolomna, 140411, Moscow Region, Russia

Features of blood flow are explained in terms of structural rheological model. Flow curves at low shear rates are described by the generalized flow equation (plastic or pseudoplastic flow): . At high shear rates the aggregates of red blood cells are completely destroyed, the Newtonian viscosity ηN is practically equal to the Casson viscosity coefficient ηc. The dependence of the magnitude of the Casson coefficient ηc on the hematocrit (volume concentration Φ) is described by the equation .

Keywords: blood flow, hematocrit, structural rheological model

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