Airbag for the closing of pipelines on explosions and leakages

N. Eisenreich (Invited author), J. Neutz (Invited author), F. Seiler (Invited author), D. Hensel (Invited author), M. Stancl (Invited author), J. Tesitel (Invited author), R. Price (Invited author), S. Rushworth (Invited author), Frank Markert (Invited author), I. Marcelles (Invited author), P. Schwengler (Invited author), Z. Dyduch (Invited author), K. Lebecki (Invited author)

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    This paper is a result of international effort aimed at the construction of a device for quick closing of pipelines in the case of explosion propagation and/or chemical leakage. Such a problem exists in industries where flammable substances are transported by pipelines. The basic solution principle was the idea to use airbags similar to those utilized in cars. Two pipeline applications were taken into consideration: a low-pressure module able to suppress explosion propagation and a high-pressure module to stop leakages from, e.g. natural gas pipeline capable to be used for duct diameters up to 0.6 m, pressures up to 5 MPa and reaction times of 50 ms. It was necessary to construct a new airbag, capable of withstanding up to 10 bar pressure. The choice of material was critical to ensure sufficient strength and chemical resistance while retaining impermeability. CFD modeling of the bag deployment into a pipe flow and analysis of the bag shapes was also completed. Two gas generators were constructed and tested with novel propellant materials. Different airbag models were tested to evaluate their effectiveness. Risk analysis approach was applied to evaluate the safety and economic benefits of the new technology in different fields of application. (C) 2007 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    JournalJournal of Loss Prevention in the Process Industries
    Volume20
    Issue number4-6
    Pages (from-to)589-598
    ISSN0950-4230
    DOIs
    Publication statusPublished - 2007
    EventInternational symposium on hazards, prevention and mitigation of industrial explosions - Halifax, Canada
    Duration: 27 Aug 20061 Sep 2006
    Conference number: 6

    Conference

    ConferenceInternational symposium on hazards, prevention and mitigation of industrial explosions
    Number6
    Country/TerritoryCanada
    CityHalifax
    Period27/08/200601/09/2006

    Keywords

    • pipelines
    • airbag
    • explosion
    • leakage

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