Author(s): Yuichi Otsuka | Jyunpei Fujii | Masaki Takato | Yoshiharu Mutoh
Journal: Open Journal of Safety Science and Technology
ISSN 2162-5999
Volume: 01;
Issue: 03;
Start page: 89;
Date: 2011;
Original page
Keywords: Food Processing | Pressure Vessel | Fail-Safe Design | Safety Engineering
ABSTRACT
This paper demonstrates the effectiveness of outer-cover of pressure vessel in order to prevent risk scenario by brittle fracture. The Fail-Safe design introducing the concept of a standby redundant system is applied to the high-pressure vessel so that the safety of the operator can be assured in case of the vessel fractures. Based on the limit state design (LSD) concept, a fracture mode is predicted as plastic collapse and brittle fracture. Dimensions of a cover are determined by considering failure modes of plastic collapse and brittle fracture. Failure experiment with pre-cracked vessel can clearly show the effectiveness of the proposed vessel for fail-safe design.
Journal: Open Journal of Safety Science and Technology
ISSN 2162-5999
Volume: 01;
Issue: 03;
Start page: 89;
Date: 2011;
Original page
Keywords: Food Processing | Pressure Vessel | Fail-Safe Design | Safety Engineering
ABSTRACT
This paper demonstrates the effectiveness of outer-cover of pressure vessel in order to prevent risk scenario by brittle fracture. The Fail-Safe design introducing the concept of a standby redundant system is applied to the high-pressure vessel so that the safety of the operator can be assured in case of the vessel fractures. Based on the limit state design (LSD) concept, a fracture mode is predicted as plastic collapse and brittle fracture. Dimensions of a cover are determined by considering failure modes of plastic collapse and brittle fracture. Failure experiment with pre-cracked vessel can clearly show the effectiveness of the proposed vessel for fail-safe design.
