EAN: 9783319497082

SAFETY ASSESSMENT OF COMPOSITE CYLINDERS FOR GA...

Featuring a detailed analysis of current approval requirements and the relevant safety
assessment methods for gas cylinders in general and with main focus on composite cylinders for
storing compressed natural gas and hydrogen  this book demonstrates how current regulations and
standards limit the ability to reduce cost and weight. Based on this data  it then highlights
the potential offered by the proposed approval procedure based on probabilistic safety
assessment After addressing the economic potential of probabilistic safety assessments  the
book details working procedures and improving cycles and (slow) bursts as methods for assessing
residual strength. It then discusses methods for statistically evaluating test data  as well as
sample- size and distribution-character considerations. A definition of sample strength is
elaborated in terms of the performance sheets developed by the author. On this basis  it
discusses safety as a property of service life and interpreted as an issue of degradation  and
explores aspects of artificial aging for simulating the end-of-life reliability level. Lastly 
the book considers control and inspection aspects: quality of production  degradation
prediction using destructive sample tests parallel to operation  retesting periods and
correcting for under- and overestimates of safe lifetime. Presented in schematic diagrams 
illustrations and tables  this information enables manufacturers and operators to use this new
approach in practice and supports the improvement of current regulations and standards.

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