Numerical simulation of in — line mixers

Multi-tone Simulation of Mixers

This paper describes a new artificial frequency mapping technique suitable for the simulation of RF/Microwave mixers when excited by a multi-tone signal. Due to the computational efficiency gained this way, it is for the first time possible to simultaneously analyse small and large signal behaviour of nonlinear mixers subject to real multi-tone signals. As well as the theoretical study, illustr...

Numerical simulation of dynamic contact-line problems

The presence of a three-phase region, where three immiscible phases are in mutual contact, causes additional difficulties in the investigation of many fluid mechanical problems. To surmount these difficulties some assumptions or specific hydrodynamic models have been used in the contact region (inner region). In the present paper an approach to the numerical solution of dynamic contact-line pro...

Numerical Modeling of Helical Static Mixers for Water Treatment

To improve the understanding of how static mixers work and how to better utilize them in environmental engineering ~or, specifically, drinking water treatment!, a numerical model for simulating turbulent flows in helical static mixers is developed. The model solves the three-dimensional, Reynolds-averaged Navier-Stokes equations, closed with the k-v turbulence model, using a second-orderaccurat...

effect of sub-grid scales on large eddy simulation of particle deposition in a turbulent channel flow

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Numerical Simulation of Transport Phenomena in Nuclear Cores