Post Mixing Optimization and Solutions


This is a continuation of the Process Intensifier - Optimization with CFD: Part 1 paper.

Standard Configurations

Case R Case A
caser model.jpg (50156 bytes) casea model.jpg (49921 bytes)
Fig. 6: Case R

(RP4 radial impeller)

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Fig 7: Case A

( PBT axial impeller)

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Two other configurations were used for this study. In both cases standard vertical cylindrical tanks were used with 4 full height baffles. The fluid was water and filled to a liquid depth (Z) equal to the tank diameter (T). Each tank had a single impeller mounted at a 1/3 Z from the bottom. Case R (Figure 6) had the radial impeller used for Model LTR. Case A (Figure 7) had the axial impeller used for both Models LTA and HGA in the down-pumping mode. These tests were done using the CFD program ACUSOLVE. Since these configurations are more common, the outputs of the CFD program could be readily compared to literature results. It is important that the CFD power numbers are similar to experimentally determined values since it is the power from the impellers that creates the flow patterns in the tank. If the power dissipated is incorrect in the CFD model, how could anything else be reliable?

Continue with Experimental Design subtopics...

Dual Radial Process Intensifiers     Axial Impeller Process Intensifiers     CFD Solid Shape Models    

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