A Water Absorption Model Based on Self- Consistent Theory for Solid Buoyancy Materials

Jingze Wang and Weicheng Cui
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Jingze Wang: Institute of Advanced Technology, Westlake Institute for Advanced Study, China
Weicheng Cui: School of Engineering, Westlake University, China

Engineering Technology Open Access Journal, 2020, vol. 3, issue 4, 123-133

Abstract: The water absorption of solid buoyancy material seriously endangers the safety and usability of deep manned/unmanned submersibles. However, the theoretical models which can accurately predict the compressive strength and water absorption of solid buoyancy materials have not been found yet. This seriously hinders the safe operation of deep manned/unmanned submersibles. Therefore, a comprehensive experimental and numerical study is carried out on the solid buoyancy materials used in full ocean depth submersibles. In this paper, a water absorption model according to self-consistent theory for solid buoyancy materials is proposed. Then the water absorption model is verified by comparing with the experimental data. The model shows that the water absorption behavior can be divided into two stages. In the first stage, the water absorption is directly proportional to the volume fraction of fractured hollow glass beads, while in the second stage, the relationship becomes exponential due to the fragmentation propagation of hollow glass beads.

Keywords: Engineering Technology Open Access Journal; juniper publishers Open Access Journal; Open Access Journals in Engineering Technology; engineering technology articles; engineering journals list; engineering academic journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:adp:jetoaj:v:3:y:2020:i:4:p:123-133

DOI: 10.19080/ETOAJ.2020.03.555620

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