Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.6/596
Título: Analytical solution for fully developed channel and Pipe Flow of Phan-Thien/Tanner Fluids
Autor: Oliveira, Paulo Jorge dos Santos Pimentel de
Pinho, Fernando Tavares de
Data: 28-Abr-2010
Resumo: Analytical expressions are derived for the velocity vector, the stress components and the viscosity function in fully developed channel and pipe flow of Phan-Thien/ Tanner (PTT) fluids; both the linearized and the exponential forms of the PTT equation are considered. The solution shows that the wall shear stress of a PTT fluid is substantially smaller than the corresponding value for a Newtonian or upperconvected Maxwell fluid, with implications for comparing predicted and measured values in a non-dimensional form.
URI: http://hdl.handle.net/10400.6/596
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