FIELD: aviation; astronautics.
SUBSTANCE: invention relates to the aerospace field, and in particular to the field of vehicles propelled by rocket engines, as well as to feed circuit (6) for feeding rocket engine (2) at least with a first liquid propellant, the feed circuit including at least one first heat exchanger (18) suitable for being connected to cooling circuit (17) for cooling at least one heat source in order to cool said heat source by transferring heat to the first propellant, and further, after said first heat exchanger, a branch passing through the second heat exchanger.
EFFECT: invention provides for controlling the temperature of the heat source with the possibility of controlling the current flow rate of the cooling fluid in the cooling circuit.
10 cl, 2 dwg
