4 ms·
Curious question. How does one get proper air flow in a tunnel that long?
by mjs7231 13y ago
Curious question. How does one get proper air flow in a tunnel that long?
- markdown 13y agoA tower every 10 kilometers?
- Someone 13y agoA tube for each direction helps a bit, as cars or trains will push air around. That certainly won't be enough, though. The Chunnel uses the service tunnel for ventilation (http://www.brighthubengineering.com/structural-engineering/80592-effect-of-speeding-trains-and-pressure-changes-in-the-chunnel/ http://www.brighthubengineering.com/structural-engineering/8...) Wikipedia also claims ventilation issues were an argument to build it as a train tunnel, rather than a car one.