Detecting water in aviation honeycomb structures: The quantitative approach

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 language	English
Pages (from-to)	173-184
Number of pages	12
Journal	Quantitative InfraRed Thermography Journal
Volume	1
Issue number	2
DOIs	https://doi.org/10.3166/qirt.1.173-184
Publication status	Published - 2004

Keywords

Honeycomb structures
Liquid ingress detection
Non Destructive Evaluation
Stimulated infrared thermography

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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10.3166/qirt.1.173-184

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title = "Detecting water in aviation honeycomb structures: The quantitative approach",

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.",

keywords = "Honeycomb structures, Liquid ingress detection, Non Destructive Evaluation, Stimulated infrared thermography",

author = "Vavilov, {Vladimir P.} and Nesteruk, {Denis A.}",

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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 - Liquid ingress detection

KW - Non Destructive Evaluation

KW - Stimulated infrared thermography

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