Fluid distribution system design in telecommunication equipment, airconditioning installations, condensers, air driers, cold plates in computer cooling equipment and heat exchangers requires uniformity of flow distribution over the core face for efficient operation. An acceptable system geometry necessitates frequent turning of the flow. In this paper we consider the problem of designing an oblique flow header shape that produces the desired downstream flow.

A numerical algorithm to obtain the optimum header geometry for two-dimensional inviscid irrotational flow is proposed. The algorithm is based on computation of the first variation of the downstream flow due to system boundary variation. The calculation of such variation is easily implemented utilizing the same boundary element method procedure as that for the calculation of two-dimensional potential flow.

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