Temporally Resolved IR Thermography of a Running Engine

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1991
Authors
Shepard, Steven
Sass, David
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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The use of IR videothermography for nondestructive evaluation has typically been limited to situations where the thermal event of interest can be captured within a single video field time (16 ms). For many applications a shorter time scale would be required to make whole field IR video imaging a viable NDE technique. We have developed a method to acquire temporally well-resolved images of repetitive thermal events at frequencies as high as 4 kHz. Our system uses an off-the-shelf commercial imager (Inframetrics IR 600), a video processor board, and a microcomputer.

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Tue Jan 01 00:00:00 UTC 1991