Prototyping and Testing of M-Cycle Indirect Regenerative Evaporative Cooling System for Electronics Cooling

Le résumé fourni par la source

This paper presents the design and experimental investigation of an indirect regenerative evaporative cooling (IREC) system based on the M-cycle concept for electronic systems operating in high ambient temperature. The proposed heat exchanger consists of dry and wet vertical channels separated by thin copper walls and equipped with an open-water reservoir located at the bottom of the cooler. Airflow is introduced into the dry channels, where it is pre-cooled and directed toward a heat source. Next, it is redirected into the wet channels in a counter-flow arrangement. The heat source consists of power MOSFET transistors operating in current-source mode, with enhanced convective heat transfer achieved through attached heat sinks. Temperature and relative humidity sensors were installed at key measurement points to monitor thermodynamic conditions in the exchanger. The findings demonstrate the potential of the IREC approach as an effective and energy-efficient solution for cooling electronic systems in elevated temperature environments.

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