Abstract

An experimental study of the transient thermal characteristics of an electronic equipment box is presented. The box is designed to house devices typically used for UAV-based remote sensing applications. Different cooling systems, aimed at maintaining all the components within their allowable temperature limits for the duration (15-20 min) of each UAV flight, have been considered. They include forced convection of external or internal air and use of storage units (cold gel packs) inside the box. Experiments indicated that a mixed active/passive technique consisting in the combination of cold gel packs and internal ventilation, without any air renewal, provides the most suitable cooling condition.

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