Passive parallel separation design method for two-stage aircraft

Abstract

The invention provides a passive parallel separation design method for a two-stage aircraft, which is characterized in that two-stage injection aircraft comprise a first-stage aircraft and a second-stage aircraft which are connected to two ends of a parallel connecting rod separation mechanism, and the relative positions of the first-stage aircraft and the second-stage aircraft are fixed under the constraint of a connecting mechanism when the aircraft horizontally take off to a separation window; after arriving at the separation window, the connecting mechanism is unlocked; under the combined action of aerodynamic resistance and constraint of the parallel connecting rod separation mechanism, the second-stage aircraft rotates backwards and upwards, after the first-stage aircraft reaches a preset separation angle, the parallel connecting rod separation mechanism and the second-stage aircraft are unlocked, and the first-stage aircraft and the second-stage aircraft are both in a free state and start an unconstrained separation process. According to the method, the contradiction between the first-stage and second-stage shape fusion design and the separation design is solved, safe separation completely depending on aerodynamic force is realized, and the separation scheme is simple and reliable.

Description

technical field [0001] The invention relates to the technical field of aerospace vehicles, in particular to a passive parallel separation scheme. Background technique [0002] The two-stage orbital spacecraft is an important way for human beings to achieve low-cost repeated travel to and from space, and it is also an inevitable trend in the development of aerospace integration. The aerospace vehicle adopts a piggyback layout, takes off horizontally in an assembled state, accelerates to climb to the separation window, completes the parallel separation of the first and second stages, then returns to the first stage and lands horizontally, and the second stage continues to climb into orbit. The safety of parallel separation directly determines the success of the flight mission, and separation design technology is one of the key problems faced by aerospace vehicles. [0003] To achieve wide-speed flight of aerospace vehicles, it is largely restricted by aerodynamic performance....

AI Technical Summary

Problems solved by technology

At present, there are few researches on parallel separation schemes at home and abroad, and there is no public report that there is a better separation scheme that can solve this contradiction

Images