OPTICS & PHOTONICS International Congress 2024

Presentation information

HEDS2024 » Oral Presentation

Turbulence & Instability

Tue. Apr 23, 2024 3:25 PM - 5:00 PM 311+312 (Pacifico Yokohama Conference Center)

Session Chair: Masahiro Hoshino (the University of Tokyo)

4:30 PM - 4:45 PM

[HEDS4-04] Experimental study of the bubble merger process induced by the strong blast-wave-driven RM instability

*Zhiyuan Li1, Meng Li1, Shaoyong Tu2, Zhensheng Dai1, Lifeng Wang1, Yingkui Zhao1 (1. Institute of Applied Physics and Computational Mathematics, 2. Laser Fusion Research Center, China Academy of Engineering Physics)

Bubble merger caused by the hydrodynamic instability is a main pathway for the turbulent transition in the fluids with narrowband initial interface perturbations. We have conducted an experiment about the bubble merger process induced by the strong blast-wave driven Richtmyer-Meshkov(RM) instability at the SG 100kJ laser facility. Our studies show that the mass diffusion effect should be included in the simulations to fit the experiment results.

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