Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes

Mario F. Letelier, Juan S. Stockle, Dennis A. Siginer, Carlos Vera

Research output: Contribution to conferencePaper

Abstract

In many biomedical and industrial technological applications it is necessary to drive fluids that exhibit plastic or elasto-plastic behaviour. Particularly for cases in which fast results are demanded, or only small fluid samples are available, micro-channels are used. These normally have cross-section geometries determined by the manufacturing procedures and may be of square, rectangular, triangular and other shapes. In order to obtain the expected results, such as protein separation, particle concentrations, and the like, the rate of flow and time-dependent pattern of it must be carefully determined. In this paper it is presented an analytically rigorous method for calculating the friction coefficient in channels of arbitrary cross-section contours for plastic flow that may be conveniently described by the Bingham model. Results are presented for a variety of shapes and for different values of the yield stress.

Original languageEnglish
Pages121-127
Number of pages7
DOIs
Publication statusPublished - 2009
EventASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009 - Lake Buena Vista, FL, United States
Duration: Nov 13 2009Nov 19 2009

Other

OtherASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009
CountryUnited States
CityLake Buena Vista, FL
Period11/13/0911/19/09

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Flow of fluids
Friction
Plastics
Fluids
Plastic flow
Yield stress
Proteins
Geometry

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

Letelier, M. F., Stockle, J. S., Siginer, D. A., & Vera, C. (2009). Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes. 121-127. Paper presented at ASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009, Lake Buena Vista, FL, United States. https://doi.org/10.1115/IMECE2009-11044
Letelier, Mario F. ; Stockle, Juan S. ; Siginer, Dennis A. ; Vera, Carlos. / Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes. Paper presented at ASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009, Lake Buena Vista, FL, United States.7 p.
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Letelier, MF, Stockle, JS, Siginer, DA & Vera, C 2009, 'Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes' Paper presented at ASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009, Lake Buena Vista, FL, United States, 11/13/09 - 11/19/09, pp. 121-127. https://doi.org/10.1115/IMECE2009-11044

Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes. / Letelier, Mario F.; Stockle, Juan S.; Siginer, Dennis A.; Vera, Carlos.

2009. 121-127 Paper presented at ASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009, Lake Buena Vista, FL, United States.

Research output: Contribution to conferencePaper

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Letelier MF, Stockle JS, Siginer DA, Vera C. Friction Law for Bingham Fluid Flow in Channels of Arbitrary Cross-Section Shapes. 2009. Paper presented at ASME 2009 International Mechanical Engineering Congress and Exposition, IMECE2009, Lake Buena Vista, FL, United States. https://doi.org/10.1115/IMECE2009-11044