M/OD protection method applied to low earth orbit manned spacecraft

A technology of manned spacecraft and spacecraft, which is applied in space navigation equipment, special data processing applications, space navigation vehicles, etc., can solve problems that affect the safety of astronauts and spacecraft life in orbit, and achieve improved protection effects, Effects of saving weight and reducing waste of resources

Active Publication Date: 2018-08-17
BEIJING SPACE TECH RES & TEST CENT
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Problems solved by technology

[0007] The purpose of the present invention is to provide a M/OD protection method applied to low-orbit manned spacecraft to solve the problem of affecting th

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  • M/OD protection method applied to low earth orbit manned spacecraft
  • M/OD protection method applied to low earth orbit manned spacecraft

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Embodiment Construction

[0038] The description of the embodiments in this specification should be combined with the corresponding drawings, and the drawings should be regarded as a part of the complete specification. In the drawings, the shapes or thicknesses of the embodiments may be exaggerated and marked for simplification or convenience. Furthermore, parts of each structure in the drawings will be described separately. It should be noted that elements not shown in the drawings or described in words are forms known to those of ordinary skill in the art.

[0039] The descriptions of the embodiments herein, any references to directions and orientations are just for convenience of description, and should not be construed as any limitation of the protection scope of the present invention. The following descriptions of the preferred embodiments involve combinations of features, which may exist independently or in combination, and the present invention is not particularly limited to the preferred embodi...

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Abstract

The invention relates to an M/OD protection method applied to a low earth orbit manned spacecraft. The M/OD protection method applied to the low earth orbit manned spacecraft comprises the following steps of (a) determining an M/OD protection structure and a protection material for the spacecraft; (b) determining an M/OD protection scheme for each cabin section of the spacecraft according to envelope and protection weight restriction requirements; (c) simulating and analyzing on-orbit M/OD theoretical impact failure risk of the spacecraft and initially judging that an index meets the situation; (d) carrying out ultra high-speed impact test on the protection structure and the protection material to obtain a ballistic limit equation; (e) correcting an impact failure risk simulation and analysis result according to the ballistic limit equation obtained by the test; (f) evaluating whether the PNP index and weight index of the protection scheme meets the situation or not; and (g) determining the final protection scheme. According to the M/OD protection method applied to the low earth orbit manned spacecraft, 10 years of on-orbit service life of the spacecraft can be guaranteed; throughadoption of the new protection scheme, a composite material packing layer is additionally arranged on the basis of using a radiator as a protection plate so that resource waste is reduced; and the enveloping space is effectively utilized, the weight is saved and the protection effect is greatly improved.

Description

technical field [0001] The invention relates to an M / OD protection method applied to low-orbit manned spacecraft. Background technique [0002] With the rapid development of manned spaceflight, low-orbit manned spacecraft have been operating in orbit for a long time, and the long-term residence of astronauts in orbit has become an inevitable direction for the development of manned spacecraft. [0003] Manned spacecraft operate in low-orbit near-circular orbits, and their equipment needs to adapt to space environments such as solar radiation, the atmosphere, the earth's magnetic field, weightlessness, vacuum, high-energy charged particles, ionosphere, micrometeoroids, and space debris. Design and verification of space environment adaptability. In addition, the long-term on-orbit operation of low-orbit manned spacecraft and the configuration of resources required by astronauts for medium and long-term stays, such as air, propellants, internal and external circuit working flui...

Claims

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Application Information

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IPC IPC(8): B64G1/52B64G1/22G06F17/50
CPCB64G1/22B64G1/52G06F30/20
Inventor 安晶杨宏刘铭邢涛吴冰杨彪汤溢赵铭军范高洁白梵露
Owner BEIJING SPACE TECH RES & TEST CENT
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