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Discussion: “Slip-Flow Pressure Drop in Microchannels of General Cross Section”
Author(s) -
C. Y. Wang
Publication year - 2012
Publication title -
journal of fluids engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.529
H-Index - 103
eISSN - 1528-901X
pISSN - 0098-2202
DOI - 10.1115/1.4005724
Subject(s) - mechanics , slip (aerodynamics) , pressure drop , slip ratio , boundary value problem , duct (anatomy) , fluid dynamics , slip factor , materials science , physics , mathematics , thermodynamics , shear stress , mathematical analysis , medicine , pathology , impeller
Partial slip occurs in a variety of important fluid flow situations. Recently several sources used the constant boundary slip assumption for the flow in a tube. By comparing with the exact solution for the slip flow in a triangular duct, we show the constant slip assumption invokes substantial errors in both local and global fluid dynamic properties.

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