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Opis

A biologically-inspired micropropulsion method is studied via a series of CFD models managing time-irreversible inextensible wave propagation in a viscous medium. First, pump effect of a fully submerged and anchored thin-film with time-irreversible plane-wave propagation is analyzed by means of resultant channel flow, hydraulic power consumption, and efficiency while performing in a microchannel. Next, propulsion velocity, power consumption and hydrodynamic efficiency of a fully submerged and untethered bio-inspired microswimmer, employing single wave-propagating slender tail, are analyzed with respect to parameterized design variables. All models are governed by dimensionless incompressible Navier-Stokes equations subject to conservation of mass and incorporated with the arbitrary Lagrangian-Eulerian mesh scheme, simultaneously handling moving and stationary boundaries. The resultant rigid-body motion of the swimmer is modeled via incorporating interactions between surrounding viscous fluid and swimmer surface with the rigid-body kinematics, in 3D. Numerical results are compared with the asymptotical results to analytical studies, carried out earlier, based on 2D flow assumptions.

Szczegóły książki

• Pełny tytuł: Simulations on traveling-plane-wave-based micropumps and microswimmers
• Podtytuł: Modeling flow-fields and rigid-body kinematics of fully-submerged bio-inspired microsystems with deforming extremities
• Autor: Ahmet Fatih Tabak, Serhat Yesilyurt
• Język: Angielski
• Oprawa: Miękka
• Liczba stron: 92
• EAN: 9783659948084
• ID: 15200867
• Wydawca: LAP Lambert Academic Publishing
• Waga: 142 g
• Wymiary: 220 × 179 × 6 mm
• Rok wydania: 2016

Ulubione w innej kategorii

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