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Article
New Design and Stability Analysis of Gravity Stabilized Solar Sail in Earth Orbit
A new solar sail model that can be controlled passively using gravity stabilization and black-coating was designed. In this paper, a long boom with a tip-mass was used to realize gravity-gradient stabilization...
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Article
Effect of groove surface on friction noise and its mechanism
In this study, friction noise according to whether grooves exist was measured using a reciprocating sliding device, and the relationship between the groove and friction noise mechanism was investigated. Experi...