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temperature measurement in a gas turbine combustor

temperature measurement in a gas turbine combustor

temperature measurement in a gas turbine combustor

I would like to take temperature measurements in the primary zone of a reverse flow gas turbine combustor. The fuel being used is Paraffin. I am assuming that I need to use a method that can measure in excess of 2000K - Preferably 3000K. Any advice or suggestions of appropriate measuring equipment or techniques would be appreciated.

RE: temperature measurement in a gas turbine combustor


Maybe a high temp thermocouple would do the job, you could do a web search for these.

There is a 900HT series miniature head thermocouple from
www.marshbellofram.com/tcp/catalog/high_temp.htm that may be suitable.
If there is nothing available from there catalouge i'm sure they could tell you who to contact.

Hope this helps

RE: temperature measurement in a gas turbine combustor

OMEGA in Manchester UK makes very good and versatile range of high temperature thermocouples, U might want to pick a hand held Infrared Thermometer (iR2 SUPERMETER) or a Thermocouple with the probe elonagted by insulated thermocouple wire. Check them out on www.omega.co.uk.

RE: temperature measurement in a gas turbine combustor

Are you wanting to measure the combustor for a reference of flashback?  We normal see type K thermocouple there.  Type k measure up to 2300 DEG. F and only for a very short period of time. I believe there is one that will measure approx. 300 Deg. f more than type K and it has a melting point of 3190 DEG. F useful range is 0 to 2600 DEG. F. In the Combustion Turbines today they are equipped with DLN system and they are equipped to measure a an area of the basket and this is the flashback thermocouple area whick stick in the basket about 1/16 of inch.I don't know if there is any newer techknowledge that measure the actual flame temps in a combustion chamber with in a basket or can. We do measure Blade path temps and they two are Type K. They see normal temps of 1200 deg F continues..  This is only speaking of 70 to 300 MW combustion turbines which I have had the privileg to work with.. Note that Flashback is only a reference because when dealing with flashback you also take into affect the combustion shell pressure.  


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