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    <title language="eng">Ignition temperatures and flame velocities of metallic nanomaterials</title>
    <abstract language="eng">The production of materials with dimensions in the nanometre range has continued to increase in recent years. In order to ensure safety when handling these products, the hazard potential of such innovative materials must be known. While several studies have already investigated the effects of explosions (such as maximum explosion pressure and maximum pressure rise) of powders with primary particles in the nanometre range, little is known about the ignition temperatures and flame velocities. Therefore, the minimum ignition temperature (MIT) of metallic nano powders (aluminium, iron, copper and zinc) was determined experimentally in a so called Godbert-Greenwald (GG) oven. Furthermore, the flame velocities were determined in a vertical tube. In order to better classify the test results, the tested samples were characterised in detail and the lower explosion limits of the tested dust samples were determined. Values for the burning velocity of aluminium nano powders are higher compared to values of micrometre powd &#13;
ers (from literature). While MIT of nanometre aluminium powders is within the range of micrometre samples, MIT of zinc and copper nano powders is lower than values reported in literature for respective micrometre samples.</abstract>
    <parentTitle language="eng">Jounal of Loss Prevention in the Process Industries</parentTitle>
    <identifier type="doi">10.1016/j.jlp.2021.104482</identifier>
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    <author>Arne Krietsch</author>
    <author>M. Reyes Rodriguez</author>
    <author>A. Kristen</author>
    <author>D. Kadoke</author>
    <author>Z. Abbas</author>
    <author>U. Krause</author>
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      <value>Minimum ignition temperature</value>
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    <title language="eng">Ignition temperatures and flame velocities of metallic nanomaterials</title>
    <abstract language="eng">The production of materials with dimensions in the nanometre range has continued to increase in recent years. In order to ensure safety when handling these products, the hazard potential of such innovative materials must be known. While several studies have already investigated the effects of explosions (such as maximum explosion pressure and maximum pressure rise) of powders with primary particles in the nanometre range, little is known about the ignition temperatures and flame velocities. Therefore, the minimum ignition temperature (MIT) of metallic nano powders (aluminium, iron, copper and zinc) was determined experimentally in a so called Godbert-Greenwald (GG) oven. Furthermore, the flame velocities were determined in a vertical tube. In order to better classify the test results, the tested samples were characterised in detail and the lower explosion limits of the tested dust samples were determined. Values for the burning velocity of aluminium nano powders are higher compared to values of micrometre powders (from literature). While MIT of nanometre aluminium powders is within the range of micrometre samples, MIT of zinc and copper nano powders is lower than values reported in literature for respective micrometre samples.</abstract>
    <parentTitle language="eng">Proceedings of the 13th Symposium International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions</parentTitle>
    <identifier type="doi">10.7795/810.20200724</identifier>
    <identifier type="urn">urn:nbn:de:kobv:b43-540930</identifier>
    <enrichment key="eventName">13th Symposium International Symposium on Hazards, Prevention and Mitigation of Industrial Explosions  (ISHPMIE)</enrichment>
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    <enrichment key="eventStart">27.07.2021</enrichment>
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    <licence>Creative Commons - CC BY-ND - Namensnennung - Keine Bearbeitungen 4.0 International</licence>
    <author>Arne Krietsch</author>
    <author>M. Reyes Rodriguez</author>
    <author>A. Kristen</author>
    <author>D. Kadoke</author>
    <author>Z. Abbas</author>
    <author>U. Krause</author>
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    <collection role="ddc" number="620">Ingenieurwissenschaften und zugeordnete Tätigkeiten</collection>
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