Making a mobile van faraday cage

In summary: It is best to use multiple layers of different materials for maximum effectiveness. In summary, in order to transport electromagnetic sensitive beings in a faraday/rf shielded cage, it is essential for the cage to be completely sealed and properly grounded. Other precautions, such as using multiple layers of different materials, should also be taken to ensure the effectiveness of the cage.
  • #1
ambesilica
1
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A real life situation exists where I'm attempting to turn the back of a van into a faraday/rf sheilded cage to transport 2 electromagnetic sensitive beings too properties where there is no microwave tower coverage in the hope they can live fuller longer lives (than are currently expected) in a supportive communal setting. They are presently confined to small parcels of land with a mobile faraday van their only salvation of traveling. Both have extreme reactions. I have personally witnessed my friend shrivelling skull-like whilst driving past towers. The other, a Buddhist nun, has intense anaphylactic seizures with loss of breathing within range of towers/phones.
Absolute certainty of the van's faraday sheild working is essential.

If it is possible to make a completely sealed faraday cage from the back of a van:

1: Does the vehicle need to be grounded whilst in transit?
2: If so is a chain dragging from the chassis adequate?
3: If a chain isn't adequate are there alternatives?
4: Can a simple multimeter be used to check for any electric charges inside the cage indicating a breach?
5: What would happen if a current was purposefully run through the body of the car (would it help reflect microwaves or be detrimental)?
6: What material would 'soak up' any stray microwaves which might enter inside?

I'm on a learning curve, simple explanations/links/diagrams to any of the above Q's would be greatly appreciated and shared with whomever may need it in the future..

have posted this on:
http://www.advancedphysics.org
https://www.physicsforums.com
http://forum.allaboutcircuits.com
 
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  • #2
1: Yes, the vehicle should be grounded while in transit.2: A chain dragging from the chassis can be adequate, but it is recommended to use a grounding rod instead. This will ensure a more reliable and consistent connection to ground.3: Alternatives to a grounding rod include using a ground mat or grounding plate. 4: A multimeter can be used to check for any electric charges indicating a breach. However, it is important to note that any small electrical charge within the cage may not be detectable by a multimeter. Therefore, it is important to take other precautions to ensure the cage is properly shielded. 5: Running a current through the body of the car would not be beneficial as it would not create an effective Faraday cage.6: It is possible to use materials such as aluminum foil or metal mesh to absorb microwaves. However, it is important to note that these materials will not provide complete protection from microwaves.
 

1. How does a Faraday cage work?

A Faraday cage works by creating a conductive enclosure that blocks external electromagnetic fields from entering the space inside. This is achieved by using a conductive material such as metal, which causes the electromagnetic fields to be redirected around the cage rather than passing through it.

2. Why is it important to make a mobile van into a Faraday cage?

Making a mobile van into a Faraday cage is important for protecting sensitive equipment and electronics from external electromagnetic interference. This is particularly important for vehicles that may be used for scientific research or data collection, as well as for military or government purposes.

3. What materials are needed to make a mobile van into a Faraday cage?

The materials needed to make a mobile van into a Faraday cage include a conductive metal mesh or foil, a grounding wire, and a conductive adhesive or tape. It is important to ensure that all seams and openings in the van are sealed properly to maintain the integrity of the Faraday cage.

4. How do you test the effectiveness of a Faraday cage?

The effectiveness of a Faraday cage can be tested by using an electromagnetic field meter to measure the level of electromagnetic radiation inside the cage. If the reading is significantly lower inside the cage compared to outside, then it is a good indicator that the Faraday cage is working effectively.

5. Are there any limitations to using a mobile van as a Faraday cage?

While a mobile van can be converted into a Faraday cage, there are some limitations to keep in mind. The van must be completely sealed and grounded properly in order for the Faraday cage to be effective. Additionally, the size and shape of the van may affect the level of protection it provides. It is important to consult with a professional to ensure that the van meets the necessary requirements for a Faraday cage.

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