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This paper presents a boundary element formulation for transient convectiondiffusion problems employing the fundamental solution of the corresponding steadystate equation with constant coefficients and a dual reciprocity approximation. The formulation allows the mathematical problem to be...
An alternative algorithm has been developed for computing the behaviour of flows within arbitrary ducts and channels. This technique requires a small number of downstream marches in the primary flow direction, employing, on each march, numerically efficient procedures originally developed for a...
Heat and fluid flow through a trapezoidal cooling chamber were studied numerically. Hot fluid is assumed inflow at some depth below the surface into one end of the chamber and withdrawn at another depth from the other end. The top of the chamber is exposed to the surrounding for cooling and the...
A fluxdifference splitting based on the polynomial character of the flux vectors is applied to steady Euler equations, discretized with a vertexcentred finite volume method. In first order accurate form, a discrete set of equations is obtained which is both conservative and positive. Due to the...
The hydrodynamics and thermal characteristics of a laminar rivulet flow down a vertical surface are investigated. The velocity distribution within a rivulet is determined numerically by the use of a finite element method. In turn, a regression analysis is performed to fit the numerical data with...
A new fractional step method in conjunction with the finite element method is proposed for the analysis of the thermal convection and conduction in a fluid region expressed by the momentum equations, the equation of continuity and the energy equation. This paper focuses on the features of the...
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