Development of Pressure Vessels : Needs of Structural Health Monitoring System
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概要
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Composite overlapped pressure vessels (COPVs) have been employed for aerospace structures, such as accumulators for satellites and propellant tanks for rockets. Since launching cost of rockets is expensive, and modification or repair of vessels is impossible after launching, many qualification tests are conducted during development. In recent years, COPVS are also applied to automobiles, such as fuel tanks for natural gas vehicles and fuel cell vehicles. In contrast to COPVs for aerospace structures, fuel tanks for automobiles are used in urban area and required to have sufficient safety. In order to assure structural integrity or safety of the vessels, it is better to use health monitoring system not only during qualification tests but also in service. In the present paper, development procedure of COPV is introduced, and needs of structural health monitoring system during development and in service monitoring are described.
- 一般社団法人日本機械学会の論文
- 2004-03-03