Message Board Thread - "determining flame temperatures"

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determining flame temperatures zr2yz125 2/19/2010
I have situation where I have to take a natural gas burner (20k BTU/hr) and run it on a different gas (99.99% UHP Methane). The test results from the overall system are different than calculated so I would like to measure the actual temperature of the flame cone produced at the burner port.

Bottom line - I am trying to determine a good way to measure the temperature of a flame. I thought about putting a small piece of metal in front of the flame for a controlled amount of time and measure that...

I have a P65 with the High Temperature option.
 
Re:determining flame temperatures Ramiro Álvarez 2/24/2010
zr2yz125 wrote:
situation where I have to take a natural gas burner (20k BTU/hr) and run it on a different gas (99.99% UHP Methane). The test results from the overall system are different than calculated so I would like to measure the actual temperature of the flame cone produced at the burner port.

Bottom line - I am trying to determine a good way to measure the temperature of a flame. I thought about putting a small piece of metal in front of the flame for a controlled amount of time and measure that...

I have a P65 with the High Temperature option.
You have to find the flame emissivity first.

There are some research about similar flames:

flame emissivity = 1 / 1+(C/D)
D= pool diameter, C=constant

For more information please read the article: "Determination of Flame Emissivity in Hydrocarbon Pool Fires Using Infrared Thermography".
http://www.springerlink.com/content/q478424q78m68005/

Kind regards,
--
Ramiro Álvarez Clavero
Remote Sensing Service
http://webs.uvigo.es/ramiro
Center for Support of Scientific and Technological Research
Vigo University


 


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