A kind of sustainable oxygen supply system and oxygen supply method of ATR engine

Abstract

The invention belongs to the field of aircraft propulsion systems, and relates to an ATR engine sustainable oxygen supply system and an oxygen supply method. The invention includes a ram air supply air circuit, a fuel supply liquid circuit and a fuel heat exchange liquid circuit. Wherein, the ram air gas circuit is used for oxygen supply of the ATR engine gas generator, the fuel supply liquid circuit is used for the ATR engine fuel supply and the excess fuel return of the fuel heat exchange liquid circuit, and the fuel heat exchange liquid circuit is used for cooling Ram air circuit and ATR engine gas generator fuel supply to realize energy cascade utilization, mainly composed of two-stage heat exchanger, temperature sensor, flow control valve; the components of the present invention are relatively mature, and the weight and carrying capacity of the whole set of equipment Compared with the combustion accelerant, it can be used as an alternative to the aircraft carrying a large amount of combustion accelerant, reducing the total weight of the aircraft, and in terms of oxidizing agent, it can achieve long-term continuous oxygen supply.

Description

technical field [0001] The invention belongs to the field of aircraft propulsion systems, in particular to an ATR engine sustainable oxygen supply system and an oxygen supply method. Background technique [0002] In recent years, with the in-depth research of near-space vehicles, aerospace vehicles and aerospace aircraft, the demand for power has always been a hot issue to be solved. Under the condition of wide flight speed, it is difficult for a single power to meet the thrust demand, and the power plant obtained by combining the propulsion systems with performance advantages in different flight mission segments is a highly feasible solution. As a potential power source, the ATR engine is a very promising solution for engineering applications. The ATR engine is a turbine-based combined cycle engine that combines a turbojet engine and a rocket engine. It has the characteristics of high specific impulse, high specific thrust and wide flight envelope. It is used for the devel...

AI Technical Summary

Problems solved by technology

However, when the ATR engine is installed on a near-space vehicle or an aerospace vehicle, it is necessary to additionally install a combustion-supporting agent storage device and its supporting air supply and control pipelines, and the longer the mission time of the near-space vehicle and aerospace vehicle, the need to carry a combustion-supporting The larger the dose, the larger the volume and weight of the storage device, occupying the space of the aircraft, increasing the weight of the aircraft, and causing a waste of limited resources on the aircraft

Aircraft carries combustion accelerant oxygen supply method, which severely limits the flight time and range of the aircraft

For this reason, it is necessary to develop a means of continuous oxygen supply to realize the continuous supply of oxygen by the gas generator, so as to solve the problem of excessive combustion-supporting oxygen carried by adjacent space vehicles and aerospace vehicles

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