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Energetic Balance for the Flow Induced by a Constantly Accelerating Plate in a Second Grade Fluid

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Author(s): Corina Fetecau | Masood Khan | Constantin Fetecau

Journal: Engineering
ISSN 1947-3931

Volume: 02;
Issue: 06;
Start page: 466;
Date: 2010;
Original page

Keywords: Second Grade Fluid | Dissipation | Energetic Balance | Power | Kinetic Energy | Constantly Accelerating Plate

ABSTRACT
Dissipation, power due to the shear stress at the wall and the boundary layer thickness corresponding to the unsteady flow of a second grade fluid, due to a constantly accelerating plate, are established in exact and approximate forms. The changing of the kinetic energy with time is also determined from the energetic balance. Exact expressions of the same entities for Newtonian fluids are recovered as limiting cases of general results.

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