A Spherical Composite Pressure Vessel Mounted with Equatorial Flange for Aerospace

Abstract

The invention discloses a spherical composite pressure vessel for aerospace equator flange installation. The spherical composite pressure vessel for aerospace equator flange installation comprises a composite shell, an installation flange installed at an equator position of the composite shell, an adhesive layer filling a gap between the composite shell and the installation flange, and a composite layer wound on the outer surface of the installation flange, wherein the composite shell is of a thin-wall spherical structure, and the ratio of a thickness delta to a diameter D of the composite shell is less than 0.004. According to the spherical composite pressure vessel for aerospace equator flange installation, which is disclosed by the invention, the problem is solved that the existing spherical composite pressure vessel is limited to a strap fixing form and a two-end fixing form; and a combined installation form for aerospace equator flange installation is adopted, thus the use range of the spherical composite pressure vessel is greatly expanded. The spherical composite pressure vessel for aerospace equator flange installation, which is manufactured by the method disclosed by the invention can be widely applied to the fields of missile weapon power systems, carrier rocket auxiliary power systems, spacecraft propulsion systems and the like; the structural mass of the spherical composite pressure vessel for aerospace equator flange installation can be effectively reduced, and the dry weight ratio thereof can be increased; and launch cost is reduced.

Description

technical field [0001] The invention relates to a spherical pressure vessel installed with an equatorial flange for aerospace, in particular to a spherical composite material pressure vessel installed with an equatorial flange for aerospace. Background technique [0002] Space systems and their subsystems require various pressure vessels to store liquids and gases, and pressure vessels are important components of space vehicles. With the development of the aerospace industry, the weight and safety requirements of aerospace products are becoming more and more stringent. Lightweight, reliable and safe spherical composite pressure vessels are important for reducing structural quality, improving aircraft performance, ensuring launch safety and reducing launch costs. is of great significance. [0003] With the development and wide application of high-performance carbon fibers such as T700, T1000, and PBO, most of the gas cylinders used in spacecraft attitude control power system...

AI Technical Summary

Problems solved by technology

[0004] Since the spherical pressure vessel is installed with flanges, the composite material cannot be wound, so the installation method of the composite spherical pressure vessel is generally fixed by straps and fixed at both ends, which has specific requirements for the overall structural space layout of the system, and its application range has a wide range. Large limitations, cannot be widely extended to all attitude control dynamic systems

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