On topology optimization of inertia driven dosing units

Abstract eng:
This paper describes how topology optimization can be used to design inertia driven dosing units for the continuous dosage of one fluid into another. These components often referred to as eductors, utilize the low static pressure in a venturi-type nozzle to drive the dosing flow. The fluids are modeled using the steady state incompressible Navier-Stokes equations and the two fluids are considered having the same properties. A Brinkman penalization term is added to the governing equations such that a control problem of the flow topology is obtained. Optimized component geometries for a range of flow conditions are obtained efficiently by using a gradient based numerical optimization scheme in order to investigate the performance limit.

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