Re: Question about pressure gauge

Posted by Ark68SS on February 05, 2017 at 19:56:40 from (172.13.140.181):

In Reply to: Question about pressure gauge posted by Ark68SS on February 03, 2017 at 10:23:55:

I read this on a physics forum. It helps to explain how the source of ignition is from the heat released by the oxidizing of the oils. I also found warnings from welding companies that say you should always clean your hands when changing oxygen tanks so that oil on your hands won't get on the threads and cause a reaction.



I finally got a hold of my uncle who is a chem engineer. He said what you said about the rate is increased due to pressure and its purity. He says its also because O2 is one of the best oxidizers used to break apart other chemicals. So when O2 is induced into a flammable substance, it starts to oxidize and break apart the polymer chains thus causing a reaction which causes energy which will be in the form of heat..That small amount of heat is enough to cause the boom.

Reference https://www.physicsforums.com/threads/welding-safety.425205/

BillL

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