Daehyun Choi

Seoul National University, Georgia Institute of Technology

Papers

Total Citations

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About

Daehyun Choi is a rising experimental fluid dynamicist whose work bridges bio-inspired design and multiphase flows. His primary research areas include flexible nozzle dynamics, vortex ring interactions, and the physics of human-generated splashes—a niche where he has made distinctive contributions. In his highly cited 2024 study on pulsed jets, Choi demonstrated that a nozzle with optimal flexibility can significantly enhance both impulse and entrainment. By showing that vortex rings from a flexible nozzle move faster due to the timely release of stored elastic energy, he provided a mechanistic understanding that has immediate implications for propulsion and mixing applications. This work has already garnered 4 citations, signaling its impact in the field. More recently, Choi turned his attention to the cultural and physical phenomenon of Manu jumping, a traditional Māori diving style. In two companion papers (2024 and 2025), he systematically analyzed how divers create large splashes through specific aerial maneuvers—such as the utkatasana pose—and underwater actions. By quantifying the fluid dynamics behind this spectacular human performance, Choi has opened a new dialogue between cultural practices and engineering science. His work is notable for its originality, combining rigorous experimentation with a keen eye for real-world phenomena.