Comments on the paper by Y-H Wu and K-F Liu: Start-up flow of a Bingham fluid between coaxial cylinders under a constant wall shear stress. Journal of Non-Newtonian Fluid Mechanics 223(2015) 116-121

Raja Huilgol

doi:10.1016/j.jnnfm.2017.04.003

Comments on the paper by Y-H Wu and K-F Liu: Start-up flow of a Bingham fluid between coaxial cylinders under a constant wall shear stress. Journal of Non-Newtonian Fluid Mechanics 223(2015) 116-121

Raja Huilgol

Research output: Contribution to journal › Article › peer-review

Abstract

The contents of the paper raise several doubts for two reasons. Firstly, the assumptions regarding the shear stress and the velocity profile are wrong for they violate Cauchy's stress principle. Secondly, the use of Laplace transform to solve the start-up flow problem is incorrect.

Original language	English
Pages (from-to)	42-43
Number of pages	2
Journal	Journal of Non-Newtonian Fluid Mechanics
Volume	244
DOIs	https://doi.org/10.1016/j.jnnfm.2017.04.003
Publication status	Published - 1 Jun 2017

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title = "Comments on the paper by Y-H Wu and K-F Liu: Start-up flow of a Bingham fluid between coaxial cylinders under a constant wall shear stress. Journal of Non-Newtonian Fluid Mechanics 223(2015) 116-121",

abstract = "The contents of the paper raise several doubts for two reasons. Firstly, the assumptions regarding the shear stress and the velocity profile are wrong for they violate Cauchy's stress principle. Secondly, the use of Laplace transform to solve the start-up flow problem is incorrect.",

author = "Raja Huilgol",

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