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Behavior of Polyethylene Dust in Large-Scale Vessels with Pipes near the Explosion

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27200%2F22%3A10251759" target="_blank" >RIV/61989100:27200/22:10251759 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1134/S0010508222060107" target="_blank" >https://doi.org/10.1134/S0010508222060107</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1134/S0010508222060107" target="_blank" >10.1134/S0010508222060107</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Behavior of Polyethylene Dust in Large-Scale Vessels with Pipes near the Explosion

  • Original language description

    The aim of the article is to point out the dangers arising from the properties of plastic dust and what influence its properties have on the origin and course of the explosion. The present study deals with a sample of polyethylene dust, by-product of granulate production and storage. The explosion tests are performed on containers of a similar shape to those found in plants. The volumes of the closed vessels are 1.35 m(3) (N1) and 5.45 m(3) (N2). The tests are conducted in vessel N1 with a venting area DN 250 on the top of the vessel, in vessel N2 with a venting area DN 585 or DN 775 installed on the upper flanges of the vessels, and in vessels interconnected by pipes with a diameter DN 150 and length of 3, 6, and 10 m. The experiments show that the pressure of the explosion in technological equipment may reach higher values than those obtained in laboratory tests. During the explosion propagation in the connected vessels, the effect of overpressure appears due to precompression; as a result, the measured pressure and the rate of pressure rise are many times higher than the values measured only in the vessel itself with a venting area. As the explosion propagates from a larger volume vessel to a smaller volume vessel, the effect of precompression of the mixture increases the explosion parameters in the smaller vessel despite the opening areas of both vessels. Other elements can be also used to ensure sufficient explosion protection. The results also describe the effect of the length of the pipeline route by which the vessels are connected.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20700 - Environmental engineering

Result continuities

  • Project

  • Continuities

    N - Vyzkumna aktivita podporovana z neverejnych zdroju

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Combustion, Explosion, and Shock Waves

  • ISSN

    0010-5082

  • e-ISSN

    1573-8345

  • Volume of the periodical

    58

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    10

  • Pages from-to

    728-737

  • UT code for WoS article

    000911930100010

  • EID of the result in the Scopus database

    2-s2.0-85146121426