Paul E. Dimotakis

Paul E. Dimotakis holds the John K. Northrop Professorship in Aeronautics and is a Professor of Applied Physics at Caltech's Division of Engineering and Applied Science. A Caltech alumnus (B.S. 1968, M.S. 1969, Ph.D. 1973), he has served on the faculty since 1973, progressing from Research Fellow to his current named chair while also directing JPL's technology strategy as Chief Technologist (2006-2011).

His research centers on experimental and computational fluid physics, with emphasis on turbulent mixing dynamics, chemically reacting flows, and combustion across subsonic to hypersonic regimes. Key investigations include scalar dispersion in turbulence, interface geometry in shear flows, hypersonic propulsion systems, and space-related applications such as Europa melt-probe technology for subsurface ocean exploration, asteroid retrieval missions, and atmospheric remote sensing from orbit.

Recent publications reveal a strong computational focus, particularly large-eddy simulations for turbulent mixing and combustion, alongside innovative space technology concepts. His work consistently bridges fundamental fluid dynamics with aerospace engineering challenges, yielding insights for propulsion systems, planetary science, and renewable energy applications like concentrating solar thermal arrays.

His scientific accolades include:

• Election to the National Academy of Engineering
• AIAA Fluid Dynamics Award
• NASA Group Achievement Award
• Fellow of AIAA
• Fellow of AAAS

As JPL Chief Technologist, he guided technical strategy for space missions including entry-descent-landing systems and planetary exploration. His research group collaborates with NASA and DoD on grants supporting hypersonics and planetary science, though specific student advising details aren't documented. He teaches core courses including Classical Thermodynamics and Advanced Fluid Mechanics.

His laboratory integrates experimental diagnostics with high-fidelity computational methods to study complex fluid phenomena, maintaining Caltech's leadership in aerospace research through partnerships with JPL and national laboratories.