Thanks for your response David. I will look into compressible flow and J-T cooling in an attempt to increase my understanding.
"transfer of fairly small-BTU mass of gas into a much larger mass of steel"
This is what initiated my question. It has been a long held belief in the mining industry...
I am somewhat out of my field here (Mining Electrical Eng) and am hopeful someone can take the time to assist a layman.
An explosion of methane in a flameproof enclosure relies on escaping gases to be cooled as they cross a flamepath in order not to ignite an external explosive atmosphere...
