Further remarks on numerical investigation on gas displacement of a shear-thinning liquid and a visco-plastic material in capillary tubes |
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| Authors: | Roney L. Thompson Edson J. Soares Raphael D.A. Bacchi |
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| Affiliation: | 1. LFTC-LMTA, Department of Mechanical Engineering (PGMEC), Universidade Federal Fluminense, Rua Passo da Patria 156, Boa Viagem, 24210-240 Niteroi, RJ, Brazil;2. LFTC, Department of Mechanical Engineering, Universidade Federal do Espirito Santo, Avenida Fernando Ferrari 514, Goiabeiras 29075-910, ES, Brazil;1. IFP Energies nouvelles, 1 et 4 Avenue de Bois-Préau, 92852 Rueil-Malmaison, France;2. Universidad de los Andes, Laboratorio FIRP, Mérida, Venezuela;3. Université Paris-Est, Laboratoire Navier (ENPC-IFSTTAR-CNRS), Champs sur Marne, France;1. 15 Witan Way, Wantage, Oxon OX12 9EU, UK;2. Department of Aeronautical and Automotive Engineering, Loughborough University, Loughborough, Leics LE11 3TU, UK;1. Center for Tire Research (CenTiRe), Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, United States;2. School of Mechanical Engineering, Sharif University of Technology, Tehran, Iran;3. Faculty of Electrical Engineering, K.N. Toosi University of Technology, Tehran, Iran |
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| Abstract: | In this note, we present some results concerning the gas displacement of power-law liquids and visco-plastic Papanastasiou’s materials improving the understanding of the problem considered in Sousa et al. (2007) [1]. Specifically, we present: the fraction of mass attached to the wall for a viscosity-thickening power-law fluid, different transition patterns between by pass and full-recirculating flow regimes, expressions for the critical (in the sense proposed by Soares and Thompson (2009) [2]) fraction of residual mass as a function of the rheological parameter of interest, and fields of yielded and unyielded zones for the visco-plastic material. |
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