Water cooling system
It consists of a water pump, a radiator, a cooling fan, a thermostat, a compensation bucket, a water jacket in the engine block and the cylinder head, and other attachments.
(1) Water pump: Pressurize the coolant to ensure it circulates in the cooling system. Centrifugal pumps are widely used in automotive engines.
(2) Radiator: It consists of three parts: the inlet chamber, the outlet chamber and the radiator core. The coolant flows in the radiator core and the air passes outside the radiator core. The hot coolant is cooled by the heat dissipation to the air, and the cold air is heated by the heat dissipated by the coolant, so the radiator is a heat exchanger.
(3) Cooling fan: When the fan rotates, it sucks in air and passes it through the radiator to enhance the heat dissipation capacity of the radiator and accelerate the cooling of the coolant.
(4) Thermostat: A valve that controls the flow path of the coolant. It turns on or off the passage of coolant to the radiator depending on the temperature of the coolant.
(5) Compensation bucket: When the coolant expands by heat, part of the coolant flows into the compensation bucket; when the coolant cools down, part of the coolant is sucked back to the radiator, so the coolant will not overflow.