Development of novel control devices for plasma synthesis of nanoparticles using turbulence excitation

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The objective of this study is to develop the device that produces desired nanoparticles by controlling the turbulent fluctuation field in a plasma flow. The interaction between the plasma flow field and the generation/growth process of nanoparticles is clarified by the unique mathematical model. The SPH method is also developed to simulate complicated thermofluid fields. Furthermore, the turbulent instability and the relation between the vortex structure and the sound generation are investigated and controlled experimentally.