IR imaging through hot gas

[Mikkopee]

Has anyone any experience on getting IR images through
hot gas (exhaust)? Is it possible?

Target is cooling system pipes and they should be monitored through exhaust system of big boiling kettle.

I think that it is not possible to get any pictures with any
information of condition of cooling system surfaces because of
very hot gas going through imaged area. Am I right?

TIA,

Mikko

 

[IRstuff]

Depends... In most cases, hot atmosphere is still relatively transparent, and will only present an offset to the correct radiometric result. If you can arrange to have a thermal reference at the same location as the pipes you're interested in, you can then compare the reference against the actual pipes.

TTFN

 

[EdDanzer]

Depending where you are located, some companies will demonstrate their equipment.

 

[Mikkopee]

I am in Finland, Vaasa. Company is also in Finland.

Happy Easter,
Mikko

 

[JKEngineer]

As IRStuff says, hot gases are often close to transparent. When you say a "big boiling kettle" I picture a condensing plume of water vapor. That may cause more trouble than hot gases (non-condensing). You also say "very hot". How hot do you mean? Thermographers often deal with furnace conditions at 2000C. It does not sound like you are dealing with that.

FLIR has a major presence in Sweden. I know of at least one thermographer in Finland. You might be able to get a favor.
Jack

Jack M. Kleinfeld, P.E. Kleinfeld Technical Services, Inc.
Infrared Thermography, Finite Element Analysis, Process Engineering

http://www.KleinfeldTechnical.com

 

[tkordyban]

You mention a boiling kettle directly under the area you want to image. Water droplets and water vapor are definitely NOT transparent to IR. They will interfere with your ability to image the objects behind the plume of vapor from the kettle.