Conference paper Open Access

Determination method of thermal conductivity of building parts in situ through ir imaging by minimizing the influence of environmental parameters,

G.-Fivos Sargentis; A. Chatzimpiros; N. Symeonidis

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<identifier identifierType="DOI">10.5281/zenodo.3767015</identifier>
<creators>
<creator>
<creatorName>G.-Fivos Sargentis</creatorName>
<nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0003-0555-4021</nameIdentifier>
<affiliation>National Technical University of Athens</affiliation>
</creator>
<creator>
<creatorName>A. Chatzimpiros</creatorName>
</creator>
<creator>
<creatorName>N. Symeonidis</creatorName>
</creator>
</creators>
<titles>
<title>Determination method of thermal conductivity of building parts in situ through ir imaging by minimizing the influence of environmental parameters,</title>
</titles>
<publisher>Zenodo</publisher>
<publicationYear>2009</publicationYear>
<dates>
<date dateType="Issued">2009-09-05</date>
</dates>
<resourceType resourceTypeGeneral="Text">Conference paper</resourceType>
<alternateIdentifiers>
<alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3767015</alternateIdentifier>
</alternateIdentifiers>
<relatedIdentifiers>
<relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.3767004</relatedIdentifier>
</relatedIdentifiers>
<rightsList>
<rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
</rightsList>
<descriptions>
<description descriptionType="Abstract">&lt;p&gt;Infrared imaging is a non destructive method, which determines the thermal behaviour of &amp;nbsp;building materials in situ. Through infrared imaging, thermal bridges, moisture absorbed &amp;nbsp;by buildings&amp;rsquo; materials as well as other parameters related to a building&amp;rsquo;s thermal and &amp;nbsp;energy behaviour can be determined. &amp;nbsp;&lt;/p&gt;

&lt;p&gt;A building&amp;rsquo;s heat losses can be distinguished into conduction losses through its envelope &amp;nbsp;and losses due to ventilation and infiltration. Losses through a building&amp;rsquo;s envelope are &amp;nbsp;related to the thermal resistance of its different parts and components used. In order that &amp;nbsp;the thermal resistance (R) of the building&amp;rsquo;s parts is determined, the parameter 1/&amp;alpha;&amp;alpha;, &amp;nbsp;(thermal resistance of the exterior surface), which depends on meteorological conditions, &amp;nbsp;should be determined. This work presents a method for the calibration necessary to &amp;nbsp;calculate the thermal resistance (R) of different parts of the building&amp;rsquo;s envelope. &amp;nbsp;Through the application of this method the thermal behaviour of unknown materials in &amp;nbsp;buildings can be determined in situ. &amp;nbsp;&lt;/p&gt;</description>
</descriptions>
</resource>

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