정렬 격자에서의 고전압 가스 차단기 내의 유동 해석

High order conservative overset method and AUSMPW+ flux difference scheme are applied to calculate the internal flow of high-voltage gas circuit breaker. analysis of small current breaking using high order overset method with structured grid showed accurate result around the electrode and pressure rise in puffer cylinder showed good agreement with experimental data. The result of heated flow analysis considering energy source and ablation will be applied to electric field analysis and will be used to predict breaking performance of current breaking.