For many years, LEWA has been continuously developing its own software for pump-piping configurations. In recent years, we developed and implemented a powerful one-dimensional fluid dynamics solver. At the same time, a complex experimental set-up was designed and engineered with the aim to evaluate and improve the numerical models used in the one-dimensional computational fluid dynamics (1-dim CFD) software. Recently, our focus was on the investigation of different friction models used in 1-dim CFD programs.
We examined steady and unsteady friction models and compared the simulation results with measurements received from the experimental setup. In collaboration with our customers, the software tools give us the opportunity to design an efficient pump-piping and dampener device layout for economic and reliable operation.
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