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Christian Lehr, Pascal Munsch, Romuald Skoda and Andreas Brümmer
The acoustic properties of a single-stage centrifugal pump with low specific speed are investigated by means of compressible 3D CFD simulations (URANS) and experiments. In order to determine the pump?s acoustic transmission and excitation characteristics...
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Ahmed Aboelezz, David Wetz, Jane Lehr, Pedram Roghanchi and Mostafa Hassanalian
The mining industry has recently shown increased interest in drones for routine activities in underground and surface mines. Designing a drone for coal mines is extremely complicated since the Mine Safety and Health Administration (MSHA) has tight guidel...
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Christian Lehr, Andreas Linkamp, Daniel Aurich and Andreas Brümmer
Subject of discussion are simulations and experimental investigations on the acoustic characterization of three single stage centrifugal pumps of different specific speed. In operation, these pump-types generate pressure pulsation at blade passing freque...
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Philip Ulrich, Martin Distelkamp and Ulrike Lehr
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