Exact Solution of the Navier-Stokes Equations for the Fully Developed, Pulsating Flow in a Rectangular Duct With a Constant Cross-Sectional Velocity

[+] Author and Article Information
S. Tsangaris, N. W. Vlachakis

Department of Mechanical Engineering, National Technical University of Athens, Fluids Section, 15710 Zografou, Athens, Greece

J. Fluids Eng 125(2), 382-385 (Mar 27, 2003) (4 pages) doi:10.1115/1.1537250 History: Received September 28, 2001; Revised September 24, 2002; Online March 27, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Iso-amplitude w̃a (left) and iso-phase angle φ (right) plots of the velocity in the cross section of a square duct (λ=1), for oscillating flow with a reduced frequency β=5 and for three different Reynolds numbers of the cross flow (Re=0,10,50)
Grahic Jump Location
Mean over the rectangular cross section amplitude w̄a (left) and phase angle θ (right) of the velocity as function of the cross flow Reynolds number R, for four different values of the aspect ratio (λ→0., λ=1, λ=2, λ→∞) and for the value of the reduced frequency M=10



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