용융도금강판의 제조 공정에 있어서 2-유체 분사 액적의 운동에 미치는 정전대전력의 영향

Effects of Electrostatic Force on Movement of Sprayed Aerosol Particles in Continuous Galvanizing Process

A novel electrostatic splaying method for solidifying a galvanized coating layer was studied. Our experimental results and computer simulations showed that electric field could assist the fine droplets to attach on the steel surface and change the sprayed droplets trajectory especially in the space near the steel surface. It was necessary to apply the electric voltage higher than - 20 kV to obtain the enough electrostatic attraction force between droplets and the steel sheet.