1 Ocak 2004 Dergi makalesi Açık Erişim

Samedov, F; Durak, M

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/93741</identifier>
  <creators>
    <creator>
      <creatorName>Samedov, F</creatorName>
      <givenName>F</givenName>
      <familyName>Samedov</familyName>
    </creator>
    <creator>
      <creatorName>Durak, M</creatorName>
      <givenName>M</givenName>
      <familyName>Durak</familyName>
    </creator>
  </creators>
  <titles>
    <title>Realization Of Luminous Flux Unit Lumen At National Metrology Institute Of Turkey (Ume)</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2004</publicationYear>
  <dates>
    <date dateType="Issued">2004-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/93741</alternateIdentifier>
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  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.81043/aperta.93740</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.81043/aperta.93741</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Luminous flux calibration facility with an integrating sphere has been installed at the National Metrology Institute of Turkey (UME) in order to realize lumen. A LabView-based computer -controlled electrical system has been developed to operate light sources and to control electrical parameters. Owing to the corrections of the sphere system, inner coating reflectance, spatial non-uniformity, self-absorption factor and interior temperature variations have been characterized. The overall uncertainty in luminous flux measurement has been determined, with an uncertainty of 1.14% (k = 2) in the range between 5-5000 lm.</description>
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