How to Reduce Air Drag for Vehicles?

In summary, the conversation discusses the issue of air drag for vehicles and how it can affect mileage. One suggestion to reduce air drag is to use an on-board high-voltage generator which charges strategically placed metal plates on the vehicle. The positively charged plates push away the positively charged air molecules, resulting in reduced air drag. However, there is a concern about the amount of power needed for the generator. Another suggestion is to simply drive slower, which would also reduce air drag.
  • #1
4beowulf7
1
0
Hello everyone!

I was thinking about how to reduce air drag for a vehicle so that one gets better mileage.

Here is the definition of the problem:
A moving car faces air drag especially at high speed. The resistance of the air layers would try to slow down the car. In order to maintain the same speed, the driver has to press the gas pedal continuously. So, if the air drag can be reduced, the mileage would improve.

So how can we reduce air drag?

What if an on-board high-voltage (HV) generator is used?

The HV generator charges the strategically located metal plates over the vehicle of interest. When the plates are positively charged, the air molecules in the vicinity of the plates are also positively charged (electrons pass to the plates leaving positively charged air molecules behind). Now the plates push the air molecules away so they can never hit the metal plates. Therefore, it is possible to reduce the air drag for a vehicle by using this technique.

What do you think?

Greetings
 
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  • #2
4beowulf7 said:
Now the plates push the air molecules away so they can never hit the metal plates.
Both generates a force on the plates.
 
  • #3
I don't see how that would reduce drag. Even if it did, you are now using probably all of your power savings from the drag to supply power for your electrodes.
 
  • #4
4beowulf7 said:
Hello everyone!

I was thinking about how to reduce air drag for a vehicle so that one gets better mileage.

Here is the definition of the problem:
A moving car faces air drag especially at high speed. The resistance of the air layers would try to slow down the car. In order to maintain the same speed, the driver has to press the gas pedal continuously. So, if the air drag can be reduced, the mileage would improve.

So how can we reduce air drag?

Drive slower.

Zz.
 
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Related to How to Reduce Air Drag for Vehicles?

1. How does air drag affect a vehicle's performance?

Air drag, also known as aerodynamic drag, is the force that resists the motion of a vehicle through the air. It is caused by the air particles colliding with the surface of the vehicle, creating a drag force that slows down the vehicle and reduces its fuel efficiency. The higher the air drag, the more energy is required to overcome it, resulting in decreased performance and increased fuel consumption.

2. What are some common methods for reducing air drag on vehicles?

There are several methods for reducing air drag on vehicles, including streamlining the shape of the vehicle, using aerodynamic materials, and adding devices such as spoilers and air deflectors. Another effective method is to reduce the frontal area of the vehicle, as this decreases the surface area that the air particles collide with.

3. How can I improve the aerodynamics of my vehicle?

To improve the aerodynamics of a vehicle, you can start by ensuring that all the components of the vehicle are properly aligned and free of any unnecessary protrusions or gaps. You can also add aerodynamic accessories, such as air dams and side skirts, to redirect airflow and reduce air drag. Additionally, keeping the vehicle clean and free of dirt and debris can also help improve aerodynamics.

4. Does driving at higher speeds increase air drag?

Yes, driving at higher speeds does increase air drag. As the vehicle moves faster, the air particles collide with the vehicle at a higher rate, creating more drag force. This is why fuel efficiency decreases at higher speeds, and it is important to maintain a steady speed and avoid unnecessary acceleration to reduce air drag and improve fuel efficiency.

5. Are there any downsides to reducing air drag on vehicles?

While reducing air drag can improve fuel efficiency and performance, there are a few potential downsides. Making modifications to a vehicle to improve aerodynamics can be costly and may also affect the aesthetics of the vehicle. Additionally, some aerodynamic devices, such as spoilers, may only be beneficial at high speeds and can actually increase air drag at lower speeds. It is important to consider the trade-offs and consult a professional before making any modifications to a vehicle.

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