Ultimate Guide To Radiator Cooling System | සිසිලන පද්ධතිය | Engine Cooling System

A radiator cooling system is a common type of cooling system used in engines and other machinery. It works by transferring heat away from the engine to the surrounding air through a series of components, including a radiator, coolant, water pump, thermostat valve, and cooling fans.
This is how a typical radiator cooling system operates -
1. Coolant Circulation - The system begins with a liquid coolant, usually a mixture of water and antifreeze, circulating through passages in the engine block and cylinder head to absorb heat.
2. Heat Transfer - As the coolant flows through the engine, it absorbs heat from the engine components. This hot coolant then goes to the radiator.
3. Radiator - The radiator is a heat controller consisting of a network of tubes and fins. As the hot coolant passes through the radiator, heat is transferred from the coolant to the surrounding air.
4. Cooling Fan - To enhance heat dissipation, cooling fan is often mounted behind the radiator. The fan draws air through the radiator fins, increasing airflow and promoting more efficient cooling.
5. Thermostat valve - A thermostat valve regulates the flow of coolant to the radiator based on the engine's operating temperature. It remains closed when the engine is cold, allowing it to warm up quickly. Once the engine reaches its optimal temperature, the thermostat opens, allowing coolant to flow through the radiator for cooling.
6. Water Pump - The water pump circulates coolant throughout the system,
7. Overflow Reservoir - An overflow reservoir collects excess coolant expelled from the radiator due to thermal expansion. Coolant can be drawn back into the system as needed to maintain proper coolant level.
Radiator cooling systems are effective at dissipating the heat from engine, helping to prevent overheating and ensuring optimal operating temperature.

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