LAMINAR FLOW MODEL IN DUCTS OF CIRCULAR SECTION WITH ARBITRARY AXIAL VARIATION

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Author list: Letelier MF, Siginer DA, Stockle JS, Huilcan A

Publisher: AMER SOC MECHANICAL ENGINEERS

Place: NEW YORK

Publication year: 2012

Start page: 619

End page: 625

Number of pages: 7

ISBN: 978-0-7918-4444-1

Languages: English-Great Britain (EN-GB)

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Abstract

Laminar flow inside a circular duct of variable section in the axial direction is modeled, assuming that the working fluid is Newtonian, incompressible, with laminar flow, a permanent state, and constant properties.The results describe the behavior of the stream function, the velocity field, and the pressure field, and graphic results are presented for each of those functions. The method used to solve the problem makes use of regular perturbations around the shape factor epsilon parameter.This research can be used for the design of new technological devices important to industry, optimizing processes in which fluids are transported, energy is transferred, etc.

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