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Questions tagged [acoustic-sound-suppression]

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votes
4answers
303 views

Why don't we use sound suppression system when rocket lands propulsively?

We know that the sound suppression system (water deluge system) is used to protect the launch vehicle from the acoustic energy produced by the engines. For most of the expendable launch vehicles, it ...
3
votes
1answer
165 views

Launch pads flame deflectors

I was interested in knowing if all launch pads possess a flame deflector. I'm inclined to say yes, as the structure seems vital for a safe launch. Wanted to make sure, though, if there could be a case ...
1
vote
1answer
247 views

What's the geometry of Ignition Overpressure Protection system protecting rocket launches?

During a rocket launch, both the rocket as well as the launch pad have to be protected. This is usually done by shooting enormous amounts of water somewhere 'at' the rocket engines. The then ...
11
votes
2answers
3k views

What happens to the acoustic energy removed by a sound suppression system?

I was just watching this video of a launchpad sound suppression system, and realized if it removes acoustic energy from the air, the energy has to go somewhere. Does the water heat up? Will any of it ...
11
votes
2answers
382 views

How does a water based acoustic suppression system work?

Now a days every rocket launch (except Russian or cliff hanging launch) happens using water acoustic suppression system. How does the water based acoustic suppression works? What is the water ...