Radiator encyclopedia

January 31, 2023

Automotive radiators are an indispensable and important component in the cooling system of automotive water-cooled engines, and are developing in the direction of lightweight, efficient and economical. The structure of automotive radiators is also constantly adapting to new developments.


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The core of the segment radiator is composed of many thin cooling pipes and heat sinks, and most of the cooling pipes adopt a flat circular section to reduce air resistance and increase the heat transfer area.
The radiator core should have sufficient flow area to allow coolant to pass through, and there should be enough air flow area to allow enough air to pass through to remove the heat transferred from the coolant to the radiator. There must also be enough heat dissipation area to complete the heat exchange between coolant, air and heat sinks.
The tube belt radiator is made of corrugated heat dissipation strip and cooling pipe arranged in a rowed and welded.
Compared with the segment radiator, the tube and band radiator can increase the heat dissipation area by about 12% under the same conditions, and the heat dissipation belt has a shutter-like hole that disturbs the airflow to destroy the adhesion layer of the flowing air on the surface of the heat dissipation belt and improve the heat dissipation capacity.


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The function of the car cooling system is to keep the car within the appropriate temperature range under all operating conditions. The cooling system of a car is divided into air cooling and water cooling. The air as the cooling medium is called the air cooling system, and the coolant as the cooling medium is called the water cooling system. Usually the water cooling system consists of a water pump, radiator, cooling fan, thermostat, compensation bucket, water jacket in the engine body and cylinder head, and other accessories. Among them, the radiator is responsible for the cooling of circulating water, its water pipe and heat sink are mostly made of aluminum, aluminum water pipe made of flat shape, heat sink with corrugation, pay attention to heat dissipation performance, installation direction perpendicular to the direction of air flow, try to achieve small wind resistance, high cooling efficiency. The coolant flows inside the radiator core and air passes outside the radiator core. The hot coolant cools down by dissipating heat to the air, and the cold air heats up because it absorbs the heat dissipated by the coolant, so the heat sink is a heat exchanger.  Our company also sells such products, if you are interested in these products, you can visit our website to consult us https://www.radiatormakingmachine.com/


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