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Previous studies introduced novel multiple piezoelectric-magnetic fans (“MPMF”) which can improve its thermal performance effectively with only one piezoelectric actuator. Moreover, the T-shaped fan design also can increase sweep area of fan to drive more air and improve its thermal performance. This study focuses on investigating the effect of fan pitch (P) and gap (G) between fan tip and heat sink...
Previous studies show that the lighting quality of LED largely depends on operating temperature. LED without thermal management may fail early due to thermal runaway, epoxy degradation, and thermal stress under high-operating temperatures. In this study, the performance of a honeycomb heat sink was investigated by experimentation and three-dimensional numerical models. Two kinds of honeycomb models...
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