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Do you really understand car cooling fans? To see if you made this mistake

Time: 2020-07-30

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Do you really understand car cooling fans? To see if you made this mistake

For drivers, car cooling fans are not unfamiliar car parts, and even many people already know the operation and types of car cooling fans. But do you really understand car cooling fans? Read this article and follow Suzhou Santian Precision Mould Co., Ltd. to see if you have made this mistake.

 

Cooling Fan

Cooling Fan


The basic principle of the operation of the cooling fan must be stated first. Many people think that the cooling fan is used for the blower to reduce the temperature of the external heat rejection water storage tank. Otherwise, the cooling fan design plan will not be located behind or in the middle of the water storage tank; As everyone knows, this kind of understanding is definitely incorrect, because a common sense problem is involved here. The car must get rid of the air resistance during driving, and the gas surrounds the car without dead corners under the effect of the force; then the car must "pull" the gas before it can drive, this kind of torque will consume the output of the car's wheels Power-can be defined as frictional resistance of driving.

 

In order to get rid of the frictional resistance of the vehicle, the design scheme of the car will be shorter and shorter, and the method of reducing the collision surface to reduce the frictional resistance of the vehicle. Similarly, the design of the airport is the same, only the lower the frictional resistance of the forward movement, the lower the driving force loss.

 

Key: What is the driving force perspective of the car? Obviously, let the cyclone blow backward. If the angle of view of the diesel engine is adjusted to blow forward, will the fan blades of the cooling fan “turn”? The answer is obvious. Therefore, the "wind frequency" of the car cooling fan will have the correct answer.

 

Vehicle cooling fan

Vehicle cooling fan


Air resistance is static data friction resistance. If the cooling fan blows forward, it is equivalent to adding a low-output "jet-style diesel engine reducer" to the car. The dynamic frictional resistance is equivalent to the increase of air resistance at the rate level, which will greatly reduce the driving force of the car and greatly increase the fuel consumption of the car. Therefore, it is impossible for a car to design that way. The key function of the cooling fan is not that the blower is just "exhaust air"; when the car is driving, it will generate a flow field in the diesel engine compartment, and the flow field can be adjusted according to the adsorption force of the cooling fan. The correct guidance is a stationary inflow cyclone, and thus has a reasonable heat rejection.

 

For more information about automotive cooling fans, or to find a high-quality automotive cooling fan manufacturer, please contact Suzhou Santian Precision Mold Co., Ltd.

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