croninsiglos t1_j7jh13n wrote
Reply to comment by teryret in How does water factor into rocket launches? by teryret
If you can minimize the damage to the concrete then you don’t have to repair it as often.
teryret OP t1_j7jh8rg wrote
...... right.....? And in what way does moving water do that better than always there water?
croninsiglos t1_j7jhibg wrote
You’re spraying it around the rocket it’s not just sitting in a large puddle underneath. The goal is to be between the source of the sound/vibrations and the concrete.
teryret OP t1_j7jibud wrote
Oh, I see what you're saying, you're saying the damage would be to the concrete around the periphery rather than immediately beneath the rocket. That makes sense, thanks!
Thorazine88 t1_j7ltmx5 wrote
I believe the issue is “Which is better: 1. A water deluge system which pours a huge amount of water between the rocket exhaust and the concrete pad. 2. A pool of water underneath the rocket exhaust.” I’m guessing a pool of water wouldn’t be as good because the rocket exhaust would blow hot water and steam everywhere in an uncontrolled manner.
Xeglor-The-Destroyer t1_j7mqqa9 wrote
A flat water surface might as well be concrete. It will reflect sound waves. The goal is to dampen the sound so you spray it through the air to disrupt the sound waves instead of reflect them.
Chork3983 t1_j7o2n91 wrote
I'd think it would just push the water out of the way right? Like if you have a puddle and you turn a leaf blower on it you'll blow the water away to expose the ground underneath. I'm thinking the same thing would happen in this case.
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