could be applied as different kinds of fire extinguishing systems like total-flooding system, local application and portable extinguisher. For portable extinguisher, it was found that the extinguishing time for liquid fires like cooking oil and flammable liquid fires was much shorter than that for solid fires. When the fire was located away from the mist nozzle, the extinguishing time would increase. The mist was blown away by the fire plume and could not reach the fire surface