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Heat transfer in laminar flows of extended modified power law fluids in rectangular ducts

Capobianchi, Massimo and Wagner, Darcy LU (2010) In International Journal of Heat and Mass Transfer 53(1-3). p.558-563
Abstract

This paper reports the results of a numerical study of the Nusselt number for the H1 and T boundary conditions in laminar, fully-developed flows of pseudoplastic and dilatant fluids in rectangular ducts. Equations for the apparent viscosity that span the entire shear rate range were utilized and the Nusselt numbers were calculated as a function of a shear rate parameter that determines the flow regime where the duct is operating. Numerical results for the Nusselt number in all flow regimes are included along with correlation equations. Finally, errors associated with applying power law solutions are discussed.

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author
publishing date
type
Contribution to journal
publication status
published
keywords
Extended modified power law, Non-Newtonian fluids, Nusselt number, Rectangular duct flow
in
International Journal of Heat and Mass Transfer
volume
53
issue
1-3
pages
558 - 563
publisher
Pergamon
external identifiers
  • scopus:71749114672
ISSN
0017-9310
DOI
10.1016/j.ijheatmasstransfer.2009.08.003
language
English
LU publication?
no
id
59b8ed33-efdb-4d23-b969-d0027f576e1f
date added to LUP
2017-08-15 14:47:33
date last changed
2018-05-29 12:26:02
@article{59b8ed33-efdb-4d23-b969-d0027f576e1f,
  abstract     = {<p>This paper reports the results of a numerical study of the Nusselt number for the H1 and T boundary conditions in laminar, fully-developed flows of pseudoplastic and dilatant fluids in rectangular ducts. Equations for the apparent viscosity that span the entire shear rate range were utilized and the Nusselt numbers were calculated as a function of a shear rate parameter that determines the flow regime where the duct is operating. Numerical results for the Nusselt number in all flow regimes are included along with correlation equations. Finally, errors associated with applying power law solutions are discussed.</p>},
  author       = {Capobianchi, Massimo and Wagner, Darcy},
  issn         = {0017-9310},
  keyword      = {Extended modified power law,Non-Newtonian fluids,Nusselt number,Rectangular duct flow},
  language     = {eng},
  month        = {01},
  number       = {1-3},
  pages        = {558--563},
  publisher    = {Pergamon},
  series       = {International Journal of Heat and Mass Transfer},
  title        = {Heat transfer in laminar flows of extended modified power law fluids in rectangular ducts},
  url          = {http://dx.doi.org/10.1016/j.ijheatmasstransfer.2009.08.003},
  volume       = {53},
  year         = {2010},
}