4. Conclusion
This document provides readers with the means to help make safe any cryogenic system in its operating phase, and in any situation causing accidental overpressure in the pressurized equipment of the system. In this case, literature values of heat flux allow estimates of heat inputs for the main cryogenic fluids. A method for sizing the safety device that includes the important case of a two-phase fluid is presented. This method is supported by important design recommendations listed at the end. They guide designers in their safety engineering calculations, and optimize the sizing of the associated safety devices. Lastly, some recommendations for operation are also given for safe use of all cryogenic systems.
All the authors wish to thank:
• Philippe Lebrun (Cern, Geneva) for his relevant...
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Conclusion
Literature references
Literature references
Regulations
European Directive DESP/97/23/EC.
Machinery Directive 89/392/EEC and 91/368/EEC.
European Directive 2008/68/EC. inland transport of dangerous goods
Arrêté du 21 septembre 1978 du Journal officiel de la République française relative aux recipients à double paroi utilisés pour l’emmagasinage des gaz liquéfiés à basse température. Version consolidée au...
Standards
- Récipients fixes isolés sous vide - NF EN 13458 -
- Récipients transportables isolés sous vide - NF EN 1251 -
- Récipients cryogéniques, dispositifs de protection contre les surpressions. Partie 3 : détermination du débit à évacuer, capacité et dimensionnement - NF EN 13648-3 - 12-02
- Dispositifs de sécurité pour protection contre les pressions excessives. Partie 1 : Soupapes de sûreté - NF EN ISO 4126-1 -...
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