Fluids 2016, 1(1), 4; doi:10.3390/fluids1010004
Heat Transfer and Dissipation Effects in the Flow of a Drilling Fluid
1
Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213, USA
2
U.S. Department of Energy, National Energy Technology Laboratory (NETL), 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, PA 15236, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Goodarz Ahmadi and Bekir S. Yilbas
Received: 29 December 2015 / Revised: 6 March 2016 / Accepted: 17 March 2016 / Published: 18 March 2016
(This article belongs to the Special Issue Rheology and the Thermo-Mechanics of Non-Newtonian Fluids)
Abstract
In this paper we study the effects of dissipation in the Couette flow and heat transfer in a drilling fluid, and explore the effects of concentration and the shear-rate and temperature-dependent viscosity, along with a variable thermal conductivity. A brief discussion on the constitutive relations for the stress tensor, the diffusive particle flux vector, and the heat flux vector is presented. The one-dimensional forms of the governing equations are solved numerically and the results are presented through a parametric study by varying the dimensionless numbers. View Full-TextKeywords:
drilling mud; drilling fluid; non-Newtonian fluids; suspension; rheology; variable viscosity; viscous dissipation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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MDPI and ACS Style
Wu, W.-T.; Massoudi, M. Heat Transfer and Dissipation Effects in the Flow of a Drilling Fluid. Fluids 2016, 1, 4.
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.