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Newsletter Issue 083

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CONTENTS:

This FABIG Newsletter comprises the following:

  • Editorial: 'Hydrogen: A key ingredient in the acceleration of the energy transition?'
    P. Hoorelbeke - TotalEnergies
  • Vented shipping containers and barrier walls for hydrogen facilities
    R. Brewerton - Inoventech
    This article considers the main design issues involved in the conversion of vented ISO shipping containers for use in hydrogen process facilities. Container strengthening schemes and the fitting of faster opening vent panels and doors are described in order to reduce explosion pressures and the risk of harmful projectiles. Fire resistance, safety barriers as well as other functional requirements are also covered in this article.
  • Explosive phase transition in LH2
    K. Vaagsaether, P.M. Hansen, D. Bjerketvedt - University of South-Eastern Norway
    This paper describes two models for analysing and simulating the physical effects of explosive phase transition of liquid hydrogen (LH2), also known as cold BLEVE.
  • A review of application of integral atmospheric jet dispersion model to flammable hazards: Is hazard distance at 0.5 LFL conservative?
    F. Tan1, V. Tam2 and D. G. Middleton3 - 1BP, 2FABIG Steering Committee Member, 3Retired, formerly BP
    Integral atmospheric jet dispersion models are widely used to estimate flammable hazard distances, for design and for risk assessment. There is a widespread but erroneous belief that flammable distances from these models are conservative when flammable ranges are calculated using the 0.5 lower flammability limits (LFL) concentration threshold. This paper describes the assumptions and applicability of commonly used atmospheric dispersion models and provides suggestions for the appropriate use of these models and for further work on the extension of the flammability factor.
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Published in: March 2022
Keywords:
Blast resistant ISO containers / Barrier walls / Hydrogen facilities / LH2 explosive phase transition / Integral atmospheric dispersion models / 0.5 LFL criterion

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