Composition and working principle of engine cooling system?

The one upstairs is a complete mixture of water, air and cold! Cooling systems are usually divided into water cooling and air cooling, and water cooling is more common. If it is a water cooling system: water jacket, thermostat, water pump radiator cover, fan belt and rubber hose. Principle: The water cooling system takes water as the cooling medium, absorbs heat through the water circulation in the engine, and then sends it to the radiator for heat dissipation. The engine is mainly cooled by heat transfer and heat volatilization. The heat generated by the combustion of combustible mixture in the engine must be transferred from the iron or aluminum cylinder to the cooling water in the cooling water jacket. Part of the heat outside the cooling water jacket is dissipated into the air, but part of the heat is transferred to the radiator through cooling water. Air cooling system: centrifugal fan, constant temperature fan with fins, damper, etc. Principle: Air is used as cooling medium to take away the heat of working parts through air circulation in the engine. When the engine is working, strong air blows through the radiator and takes away heat.