The invention is notably directed to an aircraft (10), which includes an aircraft structure (20), a thermal exchange system, a thermal insulation material (26), and fasteners (32, 35). The thermal exchange system includes a fluid-based cooling circuit (70 - 73) and heat exchanger tiles (25). The latter cover, at least partly, the aircraft structure. They may thus form the skin of the aircraft. The fasteners (32, 35) secure the tiles (25) to the aircraft structure. Each tile of the heat exchanger tiles embeds one or more fluidic channels (254), which are connected to the fluid-based cooling circuit, whereby the thermal exchange system is adapted to actively cool the tiles, in operation. Remarkably, the thermal insulation material (26) extends between the aircraft structure and the heat exchanger tiles. The thermal insulation material (26) is clamped on either side by the heat exchanger tiles (25) and by the aircraft structure (20), thanks to the fasteners (32, 35). The latter can for instance be bolted joints, which extend from central areas of the tiles. Some of the fasteners may embed sensors (40The invention is further directed to methods of operating such an aircraft. Such methods operate the fluid-based cooling circuit to circulate a cooling fluid through the fluidic channels (254) of the heat exchanger tiles (25) to cool them down. The present methods may further harness aerodynamic heating to help evaporate a liquid coolant and form the cooling fluid as a gas.
HEAT EXCHANGERS FOR AIRFRAMES
WÄRMETAUSCHER FÜR FLUGWERKE
ÉCHANGEURS DE CHALEUR POUR CELLULES D'AÉRONEFS
2025-03-12
Patent
Electronic Resource
English
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