Abstract
The huge space shield is a space tethers system which is placed between the earth and the sun. This system can alleviate global warming in certain length. It has the advantage of small side effects and is even no need to carry out space assembly. The huge space shield is a space system which is made up of the shielding surface and the control mechanism connecting through a number of cables. On the basis of the preliminary scheme, this article mainly analyzes the feasibility of the huge space shield, including the structure feasibility and the orbital stability. The ability of the folded and deployment is considered in the analysis of the structural feasibility. In view of the existing and predictable rocket carrying capacity, the maximum system is designed and a scale model is established in the laboratory to verify the feasibility of the practical one. Using the basic theory and the simulation method, the system is proved to be stable when working in orbit. During this process, the multibody system dynamics is used for proof and a “spring-particle” model is proposed for the tethered system. Through the above analysis, it shows that the scheme has practical feasibility in practice.
Highlights
In recent years and the future, global warming is becoming increasingly serious, in the deterioration of the environment and in the present climate of economic global recovery, where geoengineering will become increasingly demanding
This study aims to produce a system for reducing the global warming
According to the above analysis, it is proved that the structure of the huge space shield (HSS) is feasible
Summary
In recent years and the future, global warming is becoming increasingly serious, in the deterioration of the environment and in the present climate of economic global recovery, where geoengineering will become increasingly demanding. The HSS is a space system which is made up of the shielding surface and the control mechanism connecting through a number of cables. The deployed state is the working state of the HSS, and the structure of folding ring has been mentioned.[18] In this article, the joint is improved Compared with the former structure, each joint of the new one adopts pulling cable and tension springs which would make the process of deployment more reliable and simple. The main function of the cable is to connect the shielding surface with the control mechanism in the space. The HSS is located on the orbit, composed of the control mechanism, the cables, and the shielding surface. R is the vector of the centroid of the shielding surface in the inertial coordinate system
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