What is the most loud sound you have ever heard? Unless you have been to a rocket launch, you won't say an aircraft engine. If there was one rocket that was louder than the others, it was the Saturn V. What was the noise like?
It's about 203 decibels. The engine on a commercial jet is loud. A 36% increase in noise over a jet engine might not seem like much, but remember that decibels are mapped on a logarithmic scale. The noise is actually an order of magnitude greater. A 160dB sound is ten times louder than a 150dB sound.
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A standard commercial jet engine is 10,000 decibels louder. Some myth-making has taken place on certain parts of the internet due to the fact that there is some serious acoustic power. Scientists addressed an education paper to it.
According to an internet legend, the loud sound of the Saturn V would cause concrete to burn and nearby fields to catch fire. The most likely cause of those phenomena is the hot fire coming out of the rocket engines.
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It shows how little is known about acoustic waves. A team of scientists decided to write a paper debunking these claims and estimating how loud theSaturn V was as part of a special educational edition of the Journal of the Acoustical Society of America.
The team from Bringham Young University used models of the physics of the Saturn V to figure out how loud it would be. The number they came up with was very similar to the acoustic data collected in the 60s and 70s when the rocket was used frequently.
The paper contains some homework problems that could be useful in college classrooms if they interest you, or if you just miss the days of being able to do physics homework in school. It could help you figure out the decibel levels of a rocket engine.
There is no guarantee that the SLS will be in the same range as the Saturn V.
Both launches are likely targets for acoustic collection technology. It will be impossible to stop the internet from coming up with tall tales about the power of this new class of massive rockets. Don't believe everything you read on the internet because the stories that come from it might be funny.
You can learn more.
The American Institute of Physics was loud but didn't melt concrete.
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