Magnetic Liquid Screw Propeller

In summary, the conversation discusses the possibility of using magnetic liquids as a traditional screw propeller, with the question of whether it has been patented or envisioned before. The expert notes that while variable geometry props are being explored, it is unlikely that magnetic fluids could be used due to limitations in technology and the ability to generate and manipulate strong enough magnetic fields. The expert also mentions a different, more practical idea involving extreme strong nanotube cables and shape-memory metal.
  • #1
Mustafa Umut
34
1
Is it possible or will it be possible to keep some magnetic liquids in some desired geometry and use as a traditional screw propeller ?
Is it patented or visioned before ?

Best regards ,

Mustafa Umut Sarac

Istanbul
 
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  • #2
I've got to admit that you're probably the first to think of it. Why you would want to do it is beyond me, unless it's just the coolness factor.
In any event, I doubt that it would be possible. The first and foremost problem that comes to mind is how to maintain a properly orientated field during rotation.
 
  • #3
While variable geometry props are definitely on people's minds (optimizing the prop's shape for different speeds), there's no way you could use a magnetic fluid to achieve it. We don't have the required technology to manipulate magnetic fields in the ways that would be required, nor can we generate sustained fields strong enough to hold the material together under the kind of stress a prop might see.

It's kind of a cool idea though.
 
  • #4
Here is my idea.

It will be possible to make extreme strong nano tube tubes at the future.
May be it will be possible to make a screw propeller form with extreme strong nanotube cables.
Than apply nuclear power from submarine and hold a piece of magnetic liquid on the cables.
Than engine starts to turn and magnetic liquid self form for the ideal screw propeller shape with the pressure of water.?

Thats what i think of ,

Best ,

Mustafa Umut Sarac

Istanbul
 
  • #5
That's a bit different, and more practical, but you still run into the problem that we can't as yet establish or maintain, let alone manipulate, sufficiently strong magnetic fields. You might be better off trying to do something with a shape-memory metal such as NiTiNOL.
 

1. What is a magnetic liquid screw propeller?

A magnetic liquid screw propeller is a type of propulsion system that uses a combination of magnetic fields and liquid metal to create thrust and propel a vehicle or object forward.

2. How does a magnetic liquid screw propeller work?

The propeller consists of a shaft surrounded by a cylindrical tube filled with liquid metal, such as mercury or gallium. When a magnetic field is applied to the liquid, it creates a rotating motion due to the interaction between the magnetic field and the electrically conductive liquid. This rotation then propels the object forward.

3. What are the advantages of using a magnetic liquid screw propeller?

One of the main advantages is its efficiency. Unlike traditional propellers that rely on mechanical rotation, the magnetic liquid screw propeller uses the movement of liquid metal, which requires less energy. It also has a lower risk of damage or wear and tear, as there are no moving parts in contact with each other.

4. What are the potential applications of magnetic liquid screw propellers?

This technology has the potential to be used in various fields such as marine propulsion, aerospace, and even medical devices. It could also be used in micro-robots or for underwater exploration and transportation.

5. Are there any limitations to using a magnetic liquid screw propeller?

One limitation is the need for a constant supply of electricity to maintain the magnetic field. Additionally, the liquid metal used can be toxic and corrosive, requiring careful handling. The technology is also still in its early stages of development, and further research is needed to optimize its performance and applications.

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