Talk:Environmental Control System

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I don't have time now, but this article is missing references to Wing Anti Ice commonly being part of the ECS and also the various other classes of ECS for smaller business jets, and other transportation platforms. Maybe when I have time I will come back. ;)

[edit] Air quality front to aft?

I was just wondering about this:

- Boeing and Airbus jetliners supply constant flow per unit length of the cabin.

- Airflow into the fuselage is approximately constant, and pressure is maintained by varying the opening of the "Out Flow Valve" (OFV). Most modern jetliners have a single OFV located near the bottom aft end of the fuselage

If both are true, air inserted in the front of the cabin would have to make its way to the back, resulting in a net front-to-aft airflow... and air would have passed by more passangers towards the aft of the cabin.

Is this true, or is air vented over the entire length of the cabin and then transported to the back of the fuselage using conduits?

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On a sidenote, i always believed this net flow used to be the reason that smoking seats where always on the back rows (and first class is up front). Any insights?