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	Airmover Surface Drying Patterns March 26, 2010 The goal in this test was to determine the evaporation and drying effectiveness of air moving technologies. Effectiveness is defined as the overall area influenced by each technology, the rate of evaporation within that area and the efficiency of the technology to achieve the end result (power consumption). Technologies tested will be the centrifugal blower axial fan thrust fan Testing Protocol Testing was performed utilizing thermal imaging. A fixed surface was evenly wetted with a motorized, controlled misting system to provide a consistent, even wetting pattern. A fixed thermal imaging camera was then used to evaluate each technology, imaging the exact footprint of airflow through the evaporative cooling generated. Tests were repeated to ensure consistency in outcome and results. Conclusions and Data Most effective The centrifugal blower technology (Sahara Pro X3) indeed yielded the fastest overall evaporation rate. The evaporative cooling footprint of this technology was visible significantly faster than with any other technology, indicating that the velocity was indeed superior. Further, the evaporative cooling gave way to a rapid heating of the surface area in front of the air mover outlet, indicating that all moisture had evaporated. Again, this occurred faster with this technology than all others, and for a much greater distance. This indicates that the centrifugal air mover had a far superior focus, and very laminar flow. Most efficient The Axial Fan (two tested: Jet CXV and Ace) generated evaporative cooling at a slower rate than the centrifugal air mover, however this technology produced the largest overall footprint. Especially when power consumption was considered (1.5 amps for the Ace), the axial fan produced the most drying for the least power. Additionally, the axial fan produced the largest ‘dry’ footprint at the conclusion of all tests run. Least effective The Thrust Fan generated an evaporative cooling footprint larger than the centrifugal airmover, however the drying rate was slower and less concentrated. Additionally, the overall footprint of the thrust fan technology was inferior to the axial fan. Click here for a full "white paper" write up of the test Click here to see a video presentation of the test and data Click here for a full "white paper" write up of the test  Click here to see a video presentation of the test and data
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