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PubMed · 16161273

[Study on weightlessness dynamics simulated by neutral buoyancy in air-driven shell].

Qing-yi Feng·Jun-feng Li·Tian-shu Wang
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Abstract

OBJECTIVE: To provide theoretical support for weightlessness experiment simulated by neutral buoyancy. METHOD: An air-driven shell structure was simplified into a rigid body with constant mass and variable volume. Then, rigid body dynamic model and gasdynamic model of air-driven spherical shell were established. Finally, the kinematical laws and the residual pressure variety laws of air-driven spherical shell were obtained under constant mass-flux condition by computer simulation. RESULT: Under constant mass-flux condition, neutral buoyancy balance of air-driven spherical shell was unstable. CONCLUSION: The key to achieve stable neutral buoyancy balance is the design of the system controller.

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Air MovementsAlgorithmsEquipment DesignModels, TheoreticalPartial PressureWeightlessness SimulationEnglish AbstractJournal Article

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Qing-yi Feng, Jun-feng Li, Tian-shu Wang. 2005. [Study on weightlessness dynamics simulated by neutral buoyancy in air-driven shell].. https://pubmed.ncbi.nlm.nih.gov/16161273/

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