Ari Goldman '16 Works to Improve Wave Dynamics in Rotating Detonation Rocket Engines
A huge shoutout to Ari Goldman '16, photographed on the left! The aerospace engineering Ph.D. student at Auburn University is making waves—literally—in the world of rocket science! He's working in the Combustion Physics Lab under Dr. David Scarbrough, photographed on the right, researching wave dynamics in Rotating Detonation Rocket Engines (RDREs)—a next-gen propulsion system that could slash the size, weight and cost of future space launch vehicles.
Why RDREs?
- Uses detonation instead of constant-pressure combustion for better efficiency.
- 50%-70% smaller than traditional rocket engines while delivering similar thrust.
- Detonation waves race through the engine at 4,000-6,000 ft/sec, boosting power.
- NASA is exploring its potential for higher specific impulse—a game-changer for spaceflight!
Goldman’s focus?
He's studying how fast these detonation waves move, how many can exist at once, and how to control them for maximum efficiency. His work with the MARLEN engine—a record-setting RDRE—has helped double the highest chamber pressure ever achieved in an RDRE!
With over 100 successful test fires, Goldman and his team are shaping the future of compact, high-powered rocket engines. The sky isn't the limit—it’s just the beginning!
"This has been an incredible program to be a part of," Goldman said in an article for Auburn University. "It’s been amazing to contribute to the design, study the problem, collaborate with experts at Marshall, and bring that knowledge back to Auburn."
Way to go, Ari! We're so excited to see what happens next! Click here to read more about Ari's work.
