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Wanna hear about the acoustics of the largest rocket ever built? I'm about to be interviewed live on NSF - NASASpaceflight.com...

two year anniversary of a loud and bright night on the space coast of Florida.

BYU - we're out here, getting ready for the Starship launch.

Proud to have made noise measurements at all of them in our efforts to develop better models for rocket acoustics.

We are proud to have supported this mission by making acoustical measurements. For example, we showed that SLS is a relatively quiet rocket for its thrust. Saturn V produced more sound power. Free to download! doi.org/10.1121/10.002…

This features our brave, bold, and bald leader, Kent Gee.

Apparently 60k viewers trying to download our Starship acoustics paper from the link on the NSF - NASASpaceflight.com livestream yesterday was too much for the platform. Whoops! 😂 Not to worry. You can read it here: doi.org/10.1121/10.003…

Well... that was a crazy trip. Our Flight 5 paper dropped, met so many people, got interviewed by NSF - NASASpaceflight.com and multiple other media outlets...all while trying to conduct measurements with our BYU PASCAL team. Success...

You may have read our Starship acoustics article by now. If not, please read & share: doi.org/10.1121/10.003… (Tag me & I'll repost.) BYU PASCAL does a lot more. Gotta focus on teaching & admin today, but reply if you'd like a 🧵on our other rocket acoustics studies.

BYU PASCAL has been developing hardware and analysis techniques in support of NASA's #Quesst. Here is Mark Anderson's paper on reducing impact of contaminating noise on sonic boom metrics: doi.org/10.1121/10.002…

Got questions about Starship's noise? Check out this JASA Express Letters article and ask... Some have probably been answered in the NSF - NASASpaceflight.com Flame Trench interview: youtube.com/live/Vuxjvb-8V… or the Flight 6 livestream, but ask anyway!

Aaron is a PASCAL alumnus. Nicely done, Aaron Vaughn!

Why does the Falcon-9 booster make a triple sonic boom? New research by myself and Kent Gee explains why this happens! Go check it out! doi.org/10.1121/10.003… Here are the three shocks: 1. Comes from the bottom of the booster near the engines. All supersonic objects make a

And it's published. doi.org/10.1121/10.003… Thankful to the anonymous peer reviewers who made excellent comments. Happy to answer questions.

SpaceX This analysis might provide launch viewers useful information about what to expect from the liftoff noise: doi.org/10.1121/10.003… Have a great test flight!

Proud of our team for this cool analysis of the most powerful rocket flown. In terms of acoustic energy, 1 Starship = 2.2 ARCHIVED: NASA_SLS 1 Starship = 11 Falcon 9s

Will be taking BYU PASCAL students to measure the noise. Most powerful single rocket ever built.

You guys! Jack Beyer from NSF - NASASpaceflight.com is in the BYU anechoic chamber recording his weekly Starbase update. Be sure to watch the video when it drops on Monday!

Great to spend some time with Jack today. Looking forward to continuing to do work together in the future!

Anechoic chamber details. Anaerobic: no oxygen. Anechoic: no echoes. The wedges are 3 ft deep fiberglass batting covered with perforated sheet metal that absorb sound up between 80 and 20,000 Hz. And that is a 65 yr old wire mesh floor with wedges below. Other Qs?