FIRE EXTINGUISHING SYSTEM FOR A VEHICLE

A fire extinguishing system for a vehicle includes: a first water tank in which fuel cell exhaust water from a fuel cell stack of a fuel cell system is stored; a first pump for pumping the fuel cell exhaust water; a coolant pump for pumping coolants of a water cooling system provided in the vehicle; a turbulence generator provided to pass through the fuel cell exhaust water pumped by the first pump and the coolants pumped by the coolant pump, and configured to generate a turbulent flow of the fuel cell exhaust water and coolants passing therethrough; and a battery fire suppression nozzle provided in a battery pack mounted on the vehicle. The nozzle is supplied with a fire extinguishing water, which is a mixture of fluids passing through the turbulence generator and is configured to supply the fire extinguishing water to the inside of the battery pack.