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- W2891833159 abstract "This thesis describes the development of a computer program to study the steady two-dimensional laminar incompressible flow in a T-junction, at which one fully-developed channel flow impinges at right angles upon another. The calculation is made by finite differences on a non-uniform mesh. Solutions are presented for varying inlet velocity ratios, and for Reynolds numbers in the range 10[2] to 10[4]. Two further flow problems are also considered briefly using the same program. In the first the side channel is transformed to a square cavity. This allows a direct comparison with the work of previous authors, and good agreement is found. In the second the side channel is transformed to an outlet. The computational problem proves unusually awkward because it is surprisingly difficult to find a method of iteration which converges with a viable expenditure of computer time, and, more importantly, because the flow pattern proves very sensitive to the numerical treatment of the immediate neighbourhood of the 270-degree corners. The convergence difficulty is substantially overcome after a great deal of experimentation. The corner-flow difficulty is treated by a novelmesh configuration. Nevertheless the separated flow proves sensitive to the mesh size at the corner. This sensitivity is investigated, with the aid of analytical solutions, and it is concluded that the mesh size at the corner needs to be of the order of the Stokes radius, which in turn is inversely proportional to the Reynolds number. Considerable attention is given to the accuracy of the finite difference solutions, both theoretically, and practically by duplicating solutions using alternative finite difference equations." @default.
- W2891833159 created "2018-09-27" @default.
- W2891833159 creator A5030799269 @default.
- W2891833159 date "1973-01-01" @default.
- W2891833159 modified "2023-09-27" @default.
- W2891833159 title "The Calculation of Finite Differences of Strady Two-Dimensionsal Laminar Flow in A T-Junction." @default.
- W2891833159 hasPublicationYear "1973" @default.
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