FLIR Application Stories - Science and Theory

FLIR regularly publishes application stories where you can read how our customers are using FLIR infrared cameras and thermal imaging solutions.

To access more application stories, please visit FLIR Customer Support Center.

App Note - Science and Theory - Möllmann

Two-Color or Ratio Thermal Imaging – Potentials and Limits

K.-P. Möllmann, F. Pinno, and M. Vollmer

As an approach for an “emissivity-free” radiation thermometry, the radiance within two narrow spectral bands is measured and the object temperature is determined from the signal ratio while at the same time eliminating the influence of the emissivity under certain conditions.

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App Note - Science and Theory - Allen

Synchronized Thermography and PIV (Particle Imaging Velocimetry) Fluid Flow Measurements

John S. Allen, In Mei Sou, and Christopher N. Layman

We present novel experimental results of the synchronized measurements of streaming velocities using a PIV (Particle Imaging Velocimetry) system with thermal measurements of the surface temperatures using a FLIR Titanium Thermal Camera.

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App Note - Science and Theory - Mischker

How to Calculate Vapor Velocities Using a GasFindIR Camera

Erik Mischker

The formula for velocity is distance divided by time (V=D/T). Using digital video editing software, frames from recorded GasFindIR videos provide for a stop motion capture of the vapors at millisecond (ms) intervals.

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App Note - Science and Theory - Danjoux

Visualization of Air Flows with an Infrared Camera: Presentation of a Simple Technique and Examples of Data Analysis

Dr.Raphaël Danjoux, Prof. Rafael Royo Pastor, and Prof. Sébastien Thunevin

This paper first describes a simple and easy-to-implement indirect technique allowing for visualizing air flows. Examples of scientific data extracted from the thermograms are then given.

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