We used the basic two experimental methods to understand the Film Boiling Heat Transfer; quenching and leidenfrost experiment. The major points able to achieve are below,

1) Efficient core-cooling strategy under the severe accident of nuclear power plant
2) Phenomenological investigation during phase-change on the modulated heat transfer surface under high temperature condition
3) Development of technical methodology to identify the phase-change motion at the film boiling heat transfer(droplet or liquid-vapor interface motion)