Simulation of Aerosol Deposition Supersonic Nozzle Flow for Applications in Nano-particle Coating at Room Temperature
- Simulation of Aerosol Deposition Supersonic Nozzle Flow for Applications in Nano-particle Coating at Room Temperature
- 이민욱; Jung-Jae Park; Sam S. Yoon; Ho-Young Kim; Scott C. James; Sanjeev Chandra; Jungho Ryu; Woon-Ha Yoon; Dong-Soo Park; Ji-Hoon Woo
- Aerosol deposition; Solar cell; Nano-particles; Supersonic nozzle flow; Shockwave
- Issue Date
- Renewable Energy 2010
- Aerosol deposition is when nano-sized particles, such as TiO2, are introduced and accelerated through a supersonic gas flow using a de Laval convergent-divergent nozzle. This deposition technique may provide a way to produce a low-cost solar-cell via a rapid, low-temperature, and, sometimes, non-vacuum processes. To realize the production of the low-cost solar-cell, it is imperative to understand its supersonic nozzle flow inside and outside the nozzle. In our steady computation, particles of various sizes are stagnated inside a supersonic nitrogen flow to examine the effect of particle size on the shock interaction around the particle. A stagnated particle is hypothetically situated inside the supersonic flow and shock characteristics are simulated and analyzed.
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