pls can i get detail of how car radiator works?

Question

and if i can get electical /electronic engineering website

Answer 1

It all has to do with the surface area supplied by the radiator's tubes and the heat sinks (these are the fins).

Hot water runs through the elongated tubes; depending upon the brand of radiator the tubes will run either vertical or horizontal. The heat sinks through convection radiate the heat away from the hot water while the air flow dissipates the heat from the heat sinks. The fan is used when the car is moving at a speed of less than about 35mph. This is why electric fans are more efficient that mechanical fans; the electric ones will shut off and freely spin at around this speed.

The water pump, which is driven by the fan (serpentine, V) belt pushes the water through the radiators tubes; the faster the engine turns the faster the pump spins the more volume per minute is moved. The water surrounds the piston cylinders and removes heat from these cylinders through the same process of convection.

I don't know of any engineering sites.

Answer 2

Coolant picks up heat from the engine and is circulated with a pump through the radiator where it cools before returning to the engine.

Rhe radiator contains numerous smaller tubes with many metal fins attached for greater surface area to dissipate heat faster. A fan blows air across the radiator to make this more efficient, but when the vehicle is at speed the ram effect of air through the grill usually is enough, and some modern automobiles are equipped with electric fans that only operate when needed. Because low engine tempreatures cause the engine to run less efficiently, the cooling sytem is usually equipped with a thermostat that closes the flow from the engine until a certain temperature is reached. There is also usually a coolant resivoir to allow for overflow coolant from thermal expansion.

Answer 3

Its all mechanical.. The only electrical may be if the fan is electric. most run with a belt.
The vehicle has a water pump which pumps the water through the water jacket on the engine. here it takes heat from the engine.
Its pumped to the radiator. It goes through small tubes in the radiator. each tube is connected to many thin metal fins. Heat is transferred from the water to the fins. there is transfers to the air and the fan removes the warm air replacing it with cooler air. the cooled water travels back to the engine.

Answer 4

It is a simple heat exchanger. Hot fluid runs through the radiator which is exposed to cool air. The heat transfers from the hot fluid to the cooler air.