Advanced Particle Control for Electric Discharge Light Systems | Zendy

Neal R. Fornaciari | Zendy

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Advanced Particle Control for Electric Discharge Light Systems

Author(s) -

Neal R. Fornaciari

Publication year - 2002

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/794246

Subject(s) - piston (optics) , combustion , cylinder , automotive engineering , diesel engine , mechanical engineering , engineering , process engineering , environmental science , materials science , chemistry , physics , optics , organic chemistry , wavefront

We report on the results of an experimental and modeling study of a gas curtain mitigation system designed to prevent debris generated by a discharge light source from depositing on plasma-facing optics. The intent of the gas curtain is to entrain debris and deflect it away from sensitive optics. To facilitate the experimental portion of this study, a new laboratory was constructed that include two new roots-based vacuum pumps. This new experimental setup facilitated operation of the gas curtain at flow rates greater than ten times previously achievable while maintaining ten times lower pressure in the chamber. The experimental results showed a 100x reduction in particulate deposition rate and a 17x reduction in erosion with the gas curtain operational. The modeling results agreed quite well with the experimental measurements and will be used as a predictive tool for future design improvements.

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