An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures

Eetta Saarimäki, Peter Ylinen

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

In this work, thermographic investigation is done to find a suitable procedure to find penetrated water from the composite aircraft structures. This work is concentrating on the inspection method, where the whole structure is cooled below the freezing point of the water and then warmed into the room temperature. Phase transition energy, which is needed to melt the penetrated water, can be detected by thermography, either as an anomaly in individual thermocraphic images, or as a plateau in the thermocraphic monitoring curve.
Original languageEnglish
Title of host publicationProceedings
Subtitle of host publication9th International Conference on Quantitative InfraRed Thermography, QIRT 2008
Place of PublicationLodz, PL
Pages469-475
Publication statusPublished - 2008
MoE publication typeA4 Article in a conference publication
Event9th International Conference on Quantitative InfraRed Thermography, QIRT 2008
- Krakow, Poland
Duration: 2 Jul 20085 Jul 2008

Conference

Conference9th International Conference on Quantitative InfraRed Thermography, QIRT 2008
Abbreviated titleQIRT 2008
CountryPoland
CityKrakow
Period2/07/085/07/08

Fingerprint

aircraft structures
moisture
inspection
water
concentrating
melting points
plateaus
anomalies
composite materials
room temperature
curves
energy

Keywords

  • composites
  • thermal NDI
  • phase transition of water

Cite this

Saarimäki, E., & Ylinen, P. (2008). An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures. In Proceedings: 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008 (pp. 469-475). Lodz, PL.
Saarimäki, Eetta ; Ylinen, Peter. / An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures. Proceedings: 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008 . Lodz, PL, 2008. pp. 469-475
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Saarimäki, E & Ylinen, P 2008, An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures. in Proceedings: 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008 . Lodz, PL, pp. 469-475, 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008
, Krakow, Poland, 2/07/08.

An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures. / Saarimäki, Eetta; Ylinen, Peter.

Proceedings: 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008 . Lodz, PL, 2008. p. 469-475.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - In this work, thermographic investigation is done to find a suitable procedure to find penetrated water from the composite aircraft structures. This work is concentrating on the inspection method, where the whole structure is cooled below the freezing point of the water and then warmed into the room temperature. Phase transition energy, which is needed to melt the penetrated water, can be detected by thermography, either as an anomaly in individual thermocraphic images, or as a plateau in the thermocraphic monitoring curve.

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Saarimäki E, Ylinen P. An investigation of non-destructive thermographic inspection exploiting phase transition of water for moisture detection in aircraft structures. In Proceedings: 9th International Conference on Quantitative InfraRed Thermography, QIRT 2008 . Lodz, PL. 2008. p. 469-475