Car why use radiator cooling fan

Automobile engine work in high temperature environment must be moderate cooling, to keep its work under the suitable temperature, can meet the engine a good work performance, durability and emissions requirements. The engine cooling system plays a vital role in this. Mainly includes the cooling cooling fan, radiator, thermostat and other components. （ 1) Radiator belong to the automobile cooling system, engine cooling system in the radiator water room, water room, master and three parts such as radiator core. Coolant in the radiator core, the air in the radiator core through the process. Due to the hot coolant air heat and cold, cold air is due to receive the heat generated by the coolant temperature, so the radiator is a heat exchanger. （ 2) The radiator and water storage and heat dissipation effect, on the car radiator cover is equipped with air steam valve, and there is a public porosity and atmosphere are interlinked. When water temperature rises, the car radiator cooling water inside the expansion and water vapor pressure increases, gas steam valve is fade; When landing on water temperature, the pressure to land, air valve open, outside air holes into the radiator will from the public, so as to ensure the pressure is constant in the radiator. （ 3) The radiator is the main part of the cooling system, the purpose is to protect the engine to avoid damage due to overheating. Within the principle is to use cold air drop at the end of the radiator radiator from the engine coolant temperature. Radiator has two main components, made up of small flat tube radiator fin, and overflow tank ( In the upper portion of the radiator fin, bottom or sides) 。 Car radiator cooling fan function is introduced: the principle in order to avoid overheating guarantee cooling effect in, the parts (around the combustion chamber Cylinder liner, cylinder head, valve, etc. ) Must be proper cooling. Auto cooling system with individual channel by the radiator, thermostat, water pump, cylinder, cylinder head waterways, cooling fan, etc. Radiator is responsible for circulating water cooling, its water and heat sink is multi-purpose aluminum, aluminum pipe into a flat shape, corrugated fin belt, face up to the cooling performance, install the underlying policy perpendicular to the underlying principle of air deeds, as far as possible do wind resistance is small, high cooling efficiency. Coolant in the radiator core, the air in the radiator core through the process. Due to the hot coolant air heat and cold, cold air is due to receive the heat generated by the coolant temperature, so the radiator is a heat exchanger. （ 1) Radiator belong to the automobile cooling system, engine cooling system in the radiator water room, water room, master and three parts such as radiator core. Coolant in the radiator core, the air in the radiator core through the process. Due to the hot coolant air heat and cold, cold air is due to receive the heat generated by the coolant temperature, so the radiator is a heat exchanger.