Adjoint Optimisation of the Turbulent Flow in an Annular Diffuser

Erik Gotfredsen, Christian Agular Knudsen, Jens Dahl Kunoy, Knud Erik Meyer, Jens Honore Walther

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Abstract

In the present study, a numerical optimisation of guide vanes in an annular diffuser, is performed. The optimisation is preformed for the purpose of improving the following two parameters simultaneously; the first parameter is the uniformity perpen-dicular to the flow direction, a 1/3 diameter downstream of the expansion. The second parameter is the pressure loss introduced by these guide vanes. The optimisation yields an improvement of the uniformity of 1.5% and a 28% reduction in the over all pressure loss.
Original languageEnglish
Title of host publicationProceedings of the 30th Nordic Seminar on Computational Mechanics (NSCM-30)
EditorsJ. Høsberg, N.L. Pedersen
Publication date2017
Pages71-74
Publication statusPublished - 2017
Event30th Nordic Seminar on Computational Mechanics (NSCM-30) - Copenhagen
Duration: 25 Oct 201727 Oct 2017

Conference

Conference30th Nordic Seminar on Computational Mechanics (NSCM-30)
CityCopenhagen
Period25/10/201727/10/2017

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