Conference paper Open Access

Simulator for the reproduction of "Low Sonic Boom"-signatures

Töpken, Stephan; van de Par, Steven


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  <identifier identifierType="DOI">10.5281/zenodo.4246729</identifier>
  <creators>
    <creator>
      <creatorName>Töpken, Stephan</creatorName>
      <givenName>Stephan</givenName>
      <familyName>Töpken</familyName>
      <affiliation>Carl von Ossietzky University Oldenburg, Germany</affiliation>
    </creator>
    <creator>
      <creatorName>van de Par, Steven</creatorName>
      <givenName>Steven</givenName>
      <familyName>van de Par</familyName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0002-3360-2011</nameIdentifier>
      <affiliation>Carl von Ossietzky University Oldenburg, Germany</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Simulator for the reproduction of "Low Sonic Boom"-signatures</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <subjects>
    <subject>Sonic Boom</subject>
    <subject>Low Frequency</subject>
    <subject>Simulator</subject>
    <subject>Pressure Chamber</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2020-03-16</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="ConferencePaper"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/4246729</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.4246728</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/rumble-project-h2020</relatedIdentifier>
  </relatedIdentifiers>
  <version>Final</version>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Supersonic aircraft produce a sonic boom when flying faster than the speed of sound. In order to rule out detrimental&lt;br&gt;
e ects for inhabitants of overflown areas, civil supersonic flights (like the Concorde) were allowed to fly over water only.&lt;br&gt;
Due to progress in aircraft design, the super sonic boom may be reduced considerably in the future. Such &amp;rdquo;Low Sonic&lt;br&gt;
Boom&amp;rdquo;-signatures will be considerably quieter and sound completely di erent compared to conventional sonic booms.&lt;br&gt;
Currently, the sensation and the subjective response of humans to future &amp;rdquo;Low Sonic Boom&amp;rdquo;-signatures is not known.&lt;br&gt;
For an assessment of human responses to &amp;rdquo;Low Sonic Boom&amp;rdquo;-signatures, a Sonic-Boom simulator has been built at the&lt;br&gt;
University of Oldenburg as a pressure chamber with a volume of about 9 m&lt;sup&gt;3&lt;/sup&gt;. Two 18&amp;rdquo; loudspeaker chassis enable the&lt;br&gt;
production of an overpressure of up to 20 Pa for a signature duration of 200 ms. The background noise level in the&lt;br&gt;
chamber is very low (21 dB(A)) and the chamber has a very small reverberation time of T&lt;sub&gt;20&lt;/sub&gt;=0.2 s averaged over octave&lt;br&gt;
bands from 63 Hz to 8 kHz. A vibration platform is installed in the chamber to simulate whole-body vibration that may&lt;br&gt;
occur in connection with &amp;rdquo;Low Sonic Boom&amp;rdquo;-signatures.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/769896/">769896</awardNumber>
      <awardTitle>RegUlation and norM for low sonic Boom LEvels</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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