Developing Supersonic Impactor and Aerodynamic Lens for Separation and Handling of Nano-Sized Particles
A computational model for supersonic flows of compressible gases in an aerodynamic lens with several lenses and in a supersonic/hypersonic impactor was developed. Airflow conditions in the aerodynamic lens were analyzed and contour plots for variation of Mach number, velocity magnitude and pressure field in the lens were evaluated. The nano and micro-particle trajectories in the lens and their focusing and transmission efficiencies were evaluated. The computational model was then applied to design of a aerodynamic lens that could generate focus particle beams while operating under atmospheric conditions. The computational model was also applied to airflow condition in the supersonic/hypersonic impactor. Variations of airflow condition and particle trajectories in the impactor were evaluated. The simulation results could provide understanding of the performance of the supersonic and hypersonic impactors that would be helpful for the design of such systems.
- Research Organization:
- Clarkson Univ., Potsdam, NY (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG26-06NT42684
- OSTI ID:
- 941125
- Country of Publication:
- United States
- Language:
- English
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