On Sat, 29 Feb 2020 22:45:35 -0600
Post by Tony
And there are those that will believe this preacher for money.
In fact the claims about getting it on airliners is sadly a lie.
The air in the cabin isn’t sealed in. Fresh air is continuously
introduced during the flight. A plane’s jets are already sucking in and
compressing huge volumes of air to burn with the aviation fuel. Some of
this is diverted for the passengers to breathe. Because the compression
heats up the air, it must first be ducted around the wings to be cooled
down. and then mixed 50:50 with the fresh air from outside. The
excess cabin air is vented through valves to the rear of the plane to
keep the cabin pressure constant.
This system means that the air in the plane’s cabin is completely
replaced around 15 times an hour, but this is mainly about controlling
the temperature and removing contaminants. The oxygen that all the
passengers breathe is less than one per cent of the fresh oxygen
entering the cabin.
The air is filtered AFTER for nasties. I
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