Crossflow of viscoplastic materials through tube bundles |
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| Institution: | 1. Laboratory of Theoretical and Applied Mechanics – LMTA/PGMEC, Universidade Federal Fluminense – UFF, Rua Passo da Pátria 156 (bl E, s 216), Niterói, RJ 24210-240, Brazil;2. Department of Mechanical Engineering, Instituto Militar de Engenharia – IME, Praça General Tibúrcio 80, Urca, Rio de Janeiro, RJ 22290-270, Brazil;3. Department of Mechanical Engineering, Catholic University of Rio de Janeiro, PUC-Rio, Rua Marquês de São Vicente 225, Gávea, Rio de Janeiro, RJ 22451-900, Brazil;1. Mechanical Engineering Department, University of Michigan, Ann Arbor, MI 48109, USA;2. Vietnamese-German University, Binh Duong, Viet Nam;3. Institute for Computational Science and Technology, Ho Chi Minh City, Viet Nam;1. Department of Mechanical Engineering, Adana Science and Technology University, 01180 Adana, Turkey;2. Department of Mechanical Engineering, Cukurova University, 01330 Adana, Turkey;1. School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor, Malaysia;2. Department of Mechanical, Materials and Manufacturing Engineering, The University of Nottingham Malaysia Campus, Jalan Broga, 43500, Semenyih, Selangor, Malaysia;3. China-UK Low Carbon College, Shanghai Jiao Tong University, Lingang, Shanghai 201306, China;4. Faculty of Engineering and the Environment, University of Southampton Malaysia Campus, 79200, Iskandar Puteri, Johor, Malaysia;5. Faculty of Engineering, Vietnamese - German University, Le Lai Street, Hoa Phu, Thu Dau Mot, Binh Duong, Viet Nam |
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| Abstract: | The flow of viscoplastic materials through staggered arrays of tubes is analyzed. The mechanical behavior of the materials is assumed to obey the generalized Newtonian liquid (GNL) model, with a viscosity function given by the biviscosity law. The governing equations of this flow are solved numerically using a finite-volume method with a non-orthogonal mesh. For a representative range of the relevant parameters, results are presented in the form of velocity, pressure and viscosity fields. The pressure drop is also given as a function of rheological and geometric parameters. |
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