Design and development of Liquid Cooling System for Airborne Radar

Surveillance Radar mounted on the aircraft is backed up with high-power rack mounted electronics packed in boxlike structures called Line Replaceable Units (LRUs). Cooling of the LRUs is an incredibly important part of Radar operation, as it impacts their performance, longevity as well as noise levels. Design and development of the Liquid Cooling System (LCS) has to meet the individual cooling requirements of LRUs. This paper presents about the details of the design and development of the LCS that can handle approximately 125 kW heat load generated from radar electronics. Incremental approach is followed in design and development of LCS