Magnetic fluid spacecraft

In summary: I can't remember the name.In summary, magnetic fluid spaceships have several advantages over conventional solid metallic craft. They may be able to better absorb high-velocity space debris, change shape to the demands of atmospheric viscosity, withstand internal stresses, and more readily utilize magnetic levitation to assist in flight. They would also have the advantage of being less costly to construct than conventional spaceships. However, there are possible disadvantages, such as the need for a power supply, the need for construction to take place in microgravity, and the possibility of rust.
  • #1
3,125
4
A spacecraft whose bulk consists of magnetic fluid shaped by an internal magnetic field has several advantages over conventional solid metallic craft.

1. It would better be able to absorb high-velocity space debris.

2. It could change shape to the demands of atmospheric viscosity or for the constrution of shuttlecraft.

3. It could more readily withstand internal stresses.

4. Magnetic levitation could be utilized to assist in its flight.

5. A naturally generated radio signal locates it.

6. Its electrical power is generated through external charge flux.

7. Its intial construction would incur less cost than that of conventional spaceships.

A magnetic fluid craft might have to bypass strong magneto fields of planets and stars, but these could also be exploited for its efficient propulsion. It may have to be constructed in outer space to avoid large gravitational and inertial forces.

Can you foresee any other advantages/disadvantages of magnetic fluid spaceships?
 
Physics news on Phys.org
  • #2
My mind doesn't opperate on the level. All I can say is that it sounds like a very useful idea (one day, that is.)
 
  • #3
In all my days of dreaming up wacky sci-fi ideas I’ve never seen or even considered the concept of a magnetic fluid spacecraft . When you say “Magnetic Fluid” what type of material are you talking about?
 
  • #4
For the low-temperature application involved, I'd say tentatively mercury, or iron suspended in a hydrocarbon or fluorocarbon by appropriate surfactant.
 
  • #5
Originally posted by Loren Booda
A spacecraft whose bulk consists of magnetic fluid shaped by an internal magnetic field...

?
I've NEVER heard of that technology.
What is it ?

"Does dice play God ?"

Live long and prosper.
 
  • #6
Remember, drag, you heard it here first.

Ferrofluids are a colloidal suspension of nanoscale ferrites that retain their liquid identity yet obey a magnetic field. Your stereo speakers may well utilize them near the voice coil to lessen field losses and dampen resonances.
 
  • #7
Can magnetic fluids intercept any radio waves or something?
 
  • #8
Originally posted by Loren Booda
Can you foresee any... disadvantages of magnetic fluid spaceships?

Yes, they kidnap little boys and make them travel through time.
Honestly, have we learned nothing from the movie Flight of the Navigator?

eNtRopY
 
Last edited by a moderator:
  • #9
Surprisingly, this is the first thing I've ever seen you post that seemed, well...sort of nuts. I'm pretty sure (well actaully I'm just guessing) that any specialist in fluid dynamics would feel that trying to control a fluid like that would be impossible with our current knowledge and control of physics.

That said, the idea of a ferro fluid to absorb impact seems not unreasonable. There is also work be done on self organising nanite technology which could potentially create a 'fluid' ship in the future.

By the way, you can make a ferrofluid yourself check down the bottom of this page.

http://science.nasa.gov/headlines/y2002/23aug_MRfluids.htm [Broken]

Raavin
 
Last edited by a moderator:
  • #10
Originally posted by Raavin
There is also work be done on self organising nanite technology which could potentially create a 'fluid' ship in the future.

Are you referring to memory metals?

eNtRopY
 
  • #11
Greetings !

Well, I'm still not entirely certain about this.
But I will adress your "uses" points :
Originally posted by Loren Booda
A spacecraft whose bulk consists of magnetic fluid shaped by an internal magnetic field has several advantages over conventional solid metallic craft.

1. It would better be able to absorb high-velocity space debris.

2. It could change shape to the demands of atmospheric viscosity or for the constrution of shuttlecraft.

3. It could more readily withstand internal stresses.

4. Magnetic levitation could be utilized to assist in its flight.

5. A naturally generated radio signal locates it.

6. Its electrical power is generated through external charge flux.

7. Its intial construction would incur less cost than that of conventional spaceships.

A magnetic fluid craft might have to bypass strong magneto fields of planets and stars, but these could also be exploited for its efficient propulsion. It may have to be constructed in outer space to avoid large gravitational and inertial forces.

Can you foresee any other advantages/disadvantages of magnetic fluid spaceships?
1. Possible.
2. Fascinating !
3. And what if there's a power glitch ? :smile:
4. Magnetic levitation ? You need something
to cause the levitation. Or, in simpler Newtonian
terms - something to push against.
5. I don't follow this ?
6. And that is some advantage ?
7. Indeed.

Possible disadvantages :
1. First of all, can something like this remain in "liquid"
state in space in different tempratures and radiation
conditions ?
2. It requires a permanent power supply !
Including the construction stage (of additional "internal"
stuff, not made from this material).
3. Basicly, metal - a material that if strongly effected
by EM fields and radiation is simply a bad choice
for a spacecraft 's hull.
4. The construction must take place in micro-gravity.
5. Can't it rust ?

"Does dice play God ?"

Live long and prosper.
 
Last edited:
  • #12
Are you referring to memory metals?

No, I can't find it again at the moment but I'm talking about little robots that join together in different shapes. I think I might have seen it on a documentary. I think each one is quite large at the moment. Not really nanites.

Just had a look, check this out

http://www2.parc.com/spl/projects/modrobots/chain/polybot/

Have a proper look through the site like this bit on digital clay

http://www2.parc.com/spl/projects/modrobots/lattice/digitalclay/index.html

Heaps o'stuff

Raavin
 
  • #13
Also search for electrorheological fluids which are electrically forced to change in viscocity rather than magnetorheological fluids which do the same magnetically.

Raavin
 
  • #14
drag-

Re: Magnetic fluid spacecraft
Greetings !

Well, I'm still not entirely certain about this.
But I will adress your "uses" points :


quote:
--------------------------------------------------------------------------------
Originally posted by Loren Booda
A spacecraft whose bulk consists of magnetic fluid shaped by an internal magnetic field has several advantages over conventional solid metallic craft.

1. It would better be able to absorb high-velocity space debris.

2. It could change shape to the demands of atmospheric viscosity or for the constrution of shuttlecraft.

3. It could more readily withstand internal stresses.

4. Magnetic levitation could be utilized to assist in its flight.

5. A naturally generated radio signal locates it.

6. Its electrical power is generated through external charge flux.

7. Its intial construction would incur less cost than that of conventional spaceships.

A magnetic fluid craft might have to bypass strong magneto fields of planets and stars, but these could also be exploited for its efficient propulsion. It may have to be constructed in outer space to avoid large gravitational and inertial forces.

Can you foresee any other advantages/disadvantages of magnetic fluid spaceships?
--------------------------------------------------------------------------------


1. Possible.
2. Fascinating !
3. And what if there's a power glitch ?
4. Magnetic levitation ? You need something
to cause the levitation. Or, in simpler Newtonian
terms - something to push against.
5. I don't follow this ?
6. And that is some advantage ?
7. Indeed.

Possible disadvantages :
1. First of all, can something like this remain in "liquid"
state in space in different tempratures and radiation
conditions ?
2. It requires a permanent power supply !
Including the construction stage (of additional "internal"
stuff, not made from this material).
3. Basicly, metal - a material that if strongly effected
by EM fields and radiation is simply a bad choice
for a spacecraft 's hull.
4. The construction must take place in micro-gravity.
5. Can't it rust ?

"Does dice play God ?"

Live long and prosper.
Power would be generated by "skin effect," the potential which develops from collision with ions, or by internal nuclear reactor.

Levitation would be used in conjunction with bodies having a large magnetic field.

The skin effect would create a signature E-M signal, as would the interaction of the craft with external magnetic fields.

Energy for "free" would be generated by the above skin effect.

Temperature must be maintained for a liquid state in 2.73K space, or >1000K space near stars.

Rust, or oxidation, does not readily occur in the vacuum of space.
 
  • #15
That sounds pretty interesting, but I'm rather curious how you would go about making the fluid conform to an exact form. Perhaps you could use some sort of wire frame, or maybe there is a wireless way of creating a magnetic field that conforms to aerodynamics and such.

Like, if the ship is to be shaped like a classic airplane, how would one design the em fields to regulate the curves and such? Also, how would it be able to switch forms?

I could see if some type of flexible conductor was used to spread the magnetic field as needed. Could possibly even have the conductor setup to slide at certain points, but I dunno.

Sounds pretty cool, maybe we should try a skateboard first though.
 
  • #16
I found this on the web and thought people might be interested:

http://spaceresearch.nasa.gov/general_info/23aug_MRfluids.html [Broken]

From what I can tell a lot of work is happening in this aleady. I personally like the idea of a spacecraft which can reshape itself simply by generating the right configuration of magnetic fields. In principle it may not be that far off (e.g. 100 years). Mind you ... how do these fluids behave when field comes from the inside of the fluid?
 
Last edited by a moderator:
  • #17
Thanks for the ref, sir-pinski. Someone beat me to it. It might indeed be difficult to shape arbitrarily using internal magnetic fields. I will put on my magnetic thinking-cap.
 

What is a magnetic fluid spacecraft?

A magnetic fluid spacecraft is a type of spacecraft that uses a special type of liquid called a magnetic fluid to control its movement and orientation in space. The magnetic fluid is made up of tiny magnetic particles suspended in a liquid, which can be manipulated by external magnetic fields to create thrust and change the spacecraft's direction.

How does a magnetic fluid spacecraft work?

A magnetic fluid spacecraft works by using electric currents to generate magnetic fields, which in turn manipulate the magnetic fluid to create thrust and change the spacecraft's orientation. The spacecraft also has sensors and control systems to monitor and adjust its movements in response to the magnetic fields and other external factors in space.

What are the advantages of using a magnetic fluid spacecraft?

There are several advantages to using a magnetic fluid spacecraft. Firstly, it allows for precise control and maneuverability in space, as the magnetic fields can be finely tuned. Secondly, it does not require any propellant, making it a more sustainable and cost-effective option for long-term space missions. Additionally, it can operate in a wider range of atmospheric conditions compared to traditional spacecraft propulsion systems.

What are the potential applications of magnetic fluid spacecraft?

Magnetic fluid spacecraft have the potential to be used in a variety of space missions, including satellite launches, space exploration, and even asteroid mining. They can also be used for in-orbit maintenance and debris removal. Additionally, their ability to operate in a wider range of atmospheric conditions makes them ideal for planetary exploration missions.

What are the challenges facing magnetic fluid spacecraft technology?

One of the main challenges facing magnetic fluid spacecraft technology is the development of efficient and reliable control systems. As the technology is still relatively new, there is also a need for further research and testing to optimize its performance and address any potential safety concerns. Additionally, the cost of implementing this technology may be a barrier for some space agencies and companies.

Suggested for: Magnetic fluid spacecraft

Replies
6
Views
1K
Replies
7
Views
2K
Replies
5
Views
1K
Replies
7
Views
2K
Replies
4
Views
2K
Replies
11
Views
2K
Replies
19
Views
2K
Back
Top