Cooling device for high temperature fluid, flight vehicle having the same and cooling method for high temperature fluid.

摘要

Disclosed are a cooling device (200) for high temperature fluid, a flight vehicle (100) having the same and a cooling method for high temperature fluid, the cooling device (200) including a heat exchanger configured such that fluid is introduced therein to be heat-exchanged with a refrigerant, and configured to vaporize the refrigerant by the heat exchange such that the fluid is discharged at temperature close to vaporization temperature of the refrigerant, a compressor connected to the heat exchanger and configured to compress the fluid discharged out of the heat exchanger, a turbine connected to the compressor and configured to expand the fluid compressed in the compressor to lower temperature of the compressed fluid, and a phase change heat exchanger connected to the turbine, storing a phase change material, and configured to cause heat exchange between the phase change material and the fluid discharged out of the turbine so as to control temperature of the discharged fluid, whereby a cooling device (200) capable of minimizing influences by external environments can be achieved.