K
Kenneth Walters
Researcher at Aberystwyth University
Publications - 77
Citations - 3513
Kenneth Walters is an academic researcher from Aberystwyth University. The author has contributed to research in topics: Newtonian fluid & Rheometer. The author has an hindex of 31, co-authored 76 publications receiving 3347 citations.
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Non-Newtonian flow in pipes of non-circular cross section
TL;DR: In this paper, a detailed theoretical and experimental study of the problem for pipes of square and rectangular cross-sections is presented, where the main concern is the form that the secondary flows take and their influence on the flow rate through the pipe.
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Die-swell, splashing drop and a numerical technique for solving the Oldroyd B model for axisymmetric free surface flows
Murilo Francisco Tomé,Luciane Grossi,A. Castelo,José Alberto Cuminato,Sean McKee,Kenneth Walters +5 more
TL;DR: In this paper, a numerical method for simulating viscoelastic axisymmetric free surface flow of an Oldroyd B fluid was developed for the computation of the non-Newtonian extra-stress components on rigid boundaries and on the symmetry axis.
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Long range memory effects in flows involving abrupt changes in geometry: Part 2: the expansion/contraction/expansion problem
M.G.N. Perera,Kenneth Walters +1 more
TL;DR: In this paper, the authors give further theoretical consideration to the solution of flow problems involving abrupt changes in geometry using implicit rheological equations of state, so that the stress components are dependent variables along with the velocity components and the pressure.
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Expansion flows on non-newtonian liquids☆
P. Townsend,Kenneth Walters +1 more
TL;DR: In this paper, the authors consider a number of expansion flows for different non-Newtonian liquids and simulate the observed contraction and expansion flows using a versatile finite-element technique which is able to encompass viscoelastic liquids and fibre suspensions.
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The behaviour of polymer solutions in extension-dominated flows, with applications to Enhanced Oil Recovery
D. M. Jones,Kenneth Walters +1 more
TL;DR: In this article, the rheometry and flow behavior of aqueous solutions of polyacrylamide and xanthan gum are discussed, with the expectation that the results will be of use in Enhanced Oil Recovery (EOR).