25th Congress of International Council of the Aeronautical Sciences, 3 - 8 September 2006, Hamburg, Germany
Paper ICAS 2006-7.7.3

AN ELECTRIC COOLING SYSTEM FOR AN UAV

J.- E. Nowacki, U. Dar, L. Austrin*
Royal Institute of Technology (KTH), Sweden; *Saab Aerospace, Sweden

Keywords: bleed-less, technology, UAV

A very light and yet effective electric cooling machine for a UAV has been investigated. The vapour compression cycle is more efficient than the Joule cycle, commonly used, and thus the sum of machine- and fuelweight could get lighter. New lightweight heat exchangers and compressors have been investigated.

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