Thermal imaging mark ensor
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Thermal imaging mark ensor

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DT117/4 Sustainable Build & Design - Class Presentations

DT117/4 Sustainable Build & Design - Class Presentations

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Thermal imaging mark ensor Thermal imaging mark ensor Presentation Transcript

  • ThermalImaging
  • A Thermal Imaging Camera makes an image from thousands of surface temperature measurements
    The Camera detects ‘thermal’ radiation in the infrared range of the electromagnetic spectrum
    The Camera coverts this longer wavelength ‘thermal’ radiation into visual images
    How it Works
    2
  • Identifies the areas of air leakage/heat loss
    Shows thermal insulation defects
    Identifies Cold bridges
    Condensation Identification
    Electrical Faults
    Leak Detection
    Quality Control during Building
    Post Construction Survey
    Pre – Purchasing Survey
    Can improve previous designs
    Applications in Construction
    3
  • An instantaneous picture of heat loss allowing
    a quick assessment of defects
    Quick inspection – Rapid Scanning of Large areas
    Non Invasive
    Results are easily shown visually
    Can be used to show efficacy of heating and cooling installations
    Improve design detailing
    Benefits of Thermal Imaging
    4
  • Medical Science – Tumour Detection
    Fire Fighting
    Swine Flu/Disease Detection
    Bruise Detection in Apples & Fruits
    Equine Science
    Other Uses
    5
  • Only Detects Surface Temperatures Differences
    Does not quantify heat loss
    Better if it has a controlled environment
    Cannot detect sub surface problems
    Cannot detect moisture levels, just a anomaly
    Thermal Imaging Camera Costs
    Limitations
    6
  • Recommend a Air Tightness Test in conjunction with a Thermal Image Survey
    Best to carry it out in the Morning – No sunshine on façade for 4 hours
    No Rain/Mild Wind Only
    10 Degrees Internal/External Temperature Difference
    Ideally have the heating on for 2 hours prior to Survey
    Access to all Rooms
    Domestic Survey
    7
  • Examples – Leak Detection
    8
  • Air Loss/Infiltration
    9
  • Missing Insulation
    10
  • Single Problem e.g. Leak - €200 First Hour, €75 per hour after
    Thermal Imaging report & photographs with description of findings - €300
    Air Tightness Test with & Thermal Image Survey & Report - €450
    Figures Based on a 3 Bed Semi-Detached House in Dublin
    How Much Does a Survey Cost?
    11
  • Any Questions
    Thank You
    12
  • BRECSU 2000. Post construction testing - a professionals guide to testing housing for energy efficiency. Watford, UK: Building Research Energy Conservation Support Unit.
    BSRIA 2002. Thermal imaging of building fabric: a best practice guide for continuous insulation. Berks, UK: The Building Services Research and Information Association.
    SWENNY, B. Available: http://www.bscs.ie/pdf/BSCS_Sample_Report.pdf [Accessed 13-March-2010].
    WILLIAMS, T. 2009. Thermal Imaging Cameras, New York, Taylor & Francis.
    References
    13