Aircraft aerodynamic thermal protection system

Abstract

The invention discloses an aircraft aerodynamic thermal protection system, and relates to the field of ultra-high-speed aircrafts. The aircraft aerodynamic thermal protection system comprises an aircraft body, a first conveying assembly, a second conveying assembly and a driving assembly. The first conveying assembly comprises a low-pressure conveying piece and a storage piece. The low-pressure conveying piece is used for pressurizing a cooling medium in the storage piece and then conveying the cooling medium downstream. The second conveying assembly comprises a first pressurizing piece and asecond pressurizing piece. The first pressurizing piece is used for further pressurizing the pressurized cooling medium and then conveying the pressurized cooling medium to the aircraft main body, wherein the cooling medium is used for absorbing heat of the outer wall of the aircraft body and is gasified after absorption. The second pressurizing piece is used for driving the first pressurizing piece through part of the gasified cooling medium. The driving assembly is used for converting the internal energy of the other part of the gasified cooling medium into kinetic energy to generate thrust.The aircraft aerodynamic thermal protection system provided by the invention can meet the aerodynamic thermal protection requirement in an aerodynamic thermal environment for a long time, and provides positive thrust or attitude control power for an aircraft.

Description

technical field [0001] The invention relates to the field of ultra-high-speed aircraft, in particular to an aircraft aerodynamic thermal protection system. Background technique [0002] Ultra-high-speed aircraft generally refers to aircraft with a flight speed exceeding 5 times the speed of sound. It has the characteristics of high speed, strong maneuverability, high precision, and ultra-long range. It is mainly used to strike decisive targets with strong time sensitivity and high value in tactical battles. [0003] When the aircraft flies in the atmosphere at hypersonic speed, the air around it will be strongly compressed and rubbed, and most of the kinetic energy will be converted into heat energy, causing the temperature of the air to rise sharply, and the heat energy will be quickly transferred to the surface of the aircraft. The heating phenomenon caused by high-speed flight in the atmosphere is called aerodynamic heating. Studies have shown that when the flight Mach n...

AI Technical Summary

Problems solved by technology

The passive response to aerodynamic heat is very effective and cheap for ultra-high-speed aircraft that face harsh aerothermal environments for a short period of time, but for ultra-high-speed aircraft that face harsh aerothermal environments for a long time, it will lead to a significant increase in negative quality and is not cost-effective

The core idea of ​​active response is to make full use of aerodynamic heat. At present, it can be seen that the report is to convert aerodynamic heat into electrical energy. However, for hyperspeed aircraft, the demand for electrical energy is not strong, and it is not ideal to deal with aerodynamic heat by thermoelectric conversion.

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