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Calculation and Analysis for Pressure Vessel Rupture Study Under Fire in Plant

[+] Author Affiliations
Yoshiyasu Ito, Akira Tsuruoka, Yoshiyuki Waki, Hiroko Osedo

Chiyoda Corporation, Yokohama, Japan

Paper No. PVP2016-63184, pp. V003T03A033; 9 pages
doi:10.1115/PVP2016-63184
From:
  • ASME 2016 Pressure Vessels and Piping Conference
  • Volume 3: Design and Analysis
  • Vancouver, British Columbia, Canada, July 17–21, 2016
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5039-8
  • Copyright © 2016 by ASME

abstract

In case of fire occurring in an Oil and Gas facility, pressurized vessels may be exposed to fire. Though the entire system will be depressurized once a fire is detected, vessels may rupture, leading to risk of flammable, toxic or cryogenic fluid being released. Therefore, pressure vessels should be designed to withstand internal pressure without rupture in fire situations, at least until the system pressure can be decreased to a safe level. A pressure vessel rupture study should be conducted in addition to design code calculation to ensure a safe design in case of fire. As part of the recent trend for safer plant design, demand for pressure vessel rupture studies is growing.

In our previous presentation (PVP2015-45260 [1]), the material data for carbon steel (SA-516 Gr.70) and stainless steel (SA240 SUS type304 and SUS type304L) at the high temperature range were obtained by material testing and presented as our study result.

For the present research, pressure vessel rupture studies were performed for carbon steel and stainless steel using FEM analysis and calculation methods in published design guidelines for various conditions (e.g. heating area and shell thickness, etc.). In conclusion, a procedure for pressure vessel rupture study is proposed.

Copyright © 2016 by ASME

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