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This is the 2nd blog in a series that will try and answer the elusive "does it work" question. Today we will be talking about BTUs, what they are and why they are important. BTU = British Thermal Unit. In engineering terms, it means the amount of "heat energy" required to raise one pound of water, one degree Fahrenheit. But, what does that REALLY mean? When you go to a home improvement store, and you see a portable air conditioner, and it says that it is a 10,000 BTU unit, what does that really mean? First off, there is one...

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I am a chemical engineer by trade.  I have worked in the defense industry for nearly 20 years.  Several of those years, I worked for the US Army, as the lead engineer, in the chemical weapons division designing and manufacturing environmental test chambers and well as vapor generation and control devices, called dissemination systems. While my team and I were researching various vapor generation technologies, we came across some old cold war era studies, calculations, and experiments performed by Army researchers in some recently declassified research studies. We performed our own studies and analysis, and using modern computer modeling, and...

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