Detecting water in aviation honeycomb structures: The quantitative approach

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Infrared thermographic inspection of water in aviation honeycomb panels is a wellknown technique. The hidden water can be detected due to its high thermal capacity that makes temperatures changes slow. A transient thermal regime can be realized by using external heaters or natural heating by the ambient. The paper describes some quantitative aspects of the water detection problem. The presented simulation results have been obtained by analyzing a one-dimensional model of a multi-layer plate where the ice-to-water phase transformation takes place. Some experimental results of inspecting Russian airplanes are also presented.

Original languageEnglish
Pages (from-to)173-184
Number of pages12
JournalQuantitative InfraRed Thermography Journal
Volume1
Issue number2
DOIs
Publication statusPublished - 2004

Fingerprint

Honeycomb structures
honeycomb structures
aeronautics
Aviation
water
Water
infrared inspection
heaters
Specific heat
Ice
phase transformations
ice
Inspection
Phase transitions
Aircraft
Infrared radiation
Heating
heating
simulation
Temperature

Keywords

  • Honeycomb structures
  • Liquid ingress detection
  • Non Destructive Evaluation
  • Stimulated infrared thermography

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

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abstract = "Infrared thermographic inspection of water in aviation honeycomb panels is a wellknown technique. The hidden water can be detected due to its high thermal capacity that makes temperatures changes slow. A transient thermal regime can be realized by using external heaters or natural heating by the ambient. The paper describes some quantitative aspects of the water detection problem. The presented simulation results have been obtained by analyzing a one-dimensional model of a multi-layer plate where the ice-to-water phase transformation takes place. Some experimental results of inspecting Russian airplanes are also presented.",
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AB - Infrared thermographic inspection of water in aviation honeycomb panels is a wellknown technique. The hidden water can be detected due to its high thermal capacity that makes temperatures changes slow. A transient thermal regime can be realized by using external heaters or natural heating by the ambient. The paper describes some quantitative aspects of the water detection problem. The presented simulation results have been obtained by analyzing a one-dimensional model of a multi-layer plate where the ice-to-water phase transformation takes place. Some experimental results of inspecting Russian airplanes are also presented.

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KW - Stimulated infrared thermography

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