Fluent and BHR Group are collaborating to provide MixSim users who are members of BHR Group’s FMP (Fluid Mixing Processes) consortium access to the FMP impeller Laser-Doppler-Anemometry (LDA) data within the MixSim software.

Industry members of the FMP program will receive a CD-ROM containing approximately twenty velocity data files that can be read into MixSim and used for 2D and 3D simulations in laminar and turbulent flow regimes. MixSim will use the LDA data to specify boundary conditions at the impeller as an input to MixSim’s calculation of the mixing flow physics.

The FMP data cover a number of impeller types, including high-efficiency models, pitched-blade turbines, Rushton turbines, and interference impellers. Data for a few dual-impeller systems are also available. While the standard MixSim library offers a number of these choices as well, the FMP data have different data sets for different off-bottom clearances. This factor can greatly influence the velocity field in a stirred tank, and the FMP data allow users to choose data that may more appropriately fit the special conditions of their model. The extension of MixSim’s impeller library provides FMP members with an important integration between CFD and experiments for mixing analysis.

Impeller data from FMP helps MixSim users to model efficiently and quickly.

FMP (www.bhrgroup.co.uk/bhrsoln/process/fmpol/index.htm) is a world-recognized authority on mixing processes, established in 1983 to provide industry with research results and guidelines for design, operation, and scale-up of stirred or jet-mixed batch reaction vessels. The FMP program is organized and managed by BHR Group and wholly funded by industry members. Current research areas in FMP are liquid blending, solid-liquid mixing (drawdown, suspension, and dispersion of solids), gas-liquid mixing, jet mixing, liquid-liquid dispersion, and flow modeling involving CFD and LDA. Fluent has participated in FMP since 1997.

For more information on FMP and the new FMP/MixSim data library, contact Ahmad Haidari at Fluent (ah@fluent.com) or David Brown at BHR Group (dbrown@bhrgroup.co.uk)

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