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Active Cooling Can Boost Lumen Output in LED Lighting

Active cooling technology can offer thermal capabilities that are superior to passive heat sinks and can raise lumen output and extend LED life in solid-state lighting, says Ryan Ahearn of Nuventix www.nuventix.com PAR38 reference-design model with Nuventix SynJet engine Synthetic-jet technology provides an active cooling solution for LED lighting, and has been adopted by many major global lighting companies. The compact cooling modules address all of the constraints currently hindering the development of LED lighting: effective heat dissipation, small form factor and reliability Synthetic jets are an alternative to the traditional fan and are much better suited to the increasingly challenging demands of LED thermal management. The jets are formed by periodic suction and ejection of air out of an opening that is caused by the motion of a diaphragm..  http://www.ledsmagazine.com/features/8/6/10