AGAIN ABOUT THE NUANCES OF THERMAL RESISTANCE IN THE CONTEXT OF LED LINGHTING
Keywords:
lighting, lamp, led, thermal resistance, thermal management.Abstract
The problems of thermal management of lighting devices based on LEDs are analyzed. The uncertainty of such parameter as the efficiency of LEDs is pointed. The dependence of the thermal resistance on the physical processes involved in optimizing the thermal regime, such as conduction and convection is analyzed. For example, multi light field is pre-calculation of several diagrams of the heat sink, compared with the experimental data. Analysis of the problems associated with thermal management of lighting based on LED allows taking into account the conversion efficiency of electrical energy into light which increases the objectivity of the heat sink efficiency.
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