Any current work on plasma railguns?

  • Context: Graduate 
  • Thread starter Thread starter gildomar
  • Start date Start date
  • Tags Tags
    Current Plasma Work
Click For Summary

Discussion Overview

The discussion centers around the current research and development of plasma railguns, exploring their mechanisms, historical context, and potential challenges. Participants express curiosity about the latest advancements in this area, particularly in comparison to traditional railguns.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about ongoing work on plasma railguns, noting that recent information appears outdated.
  • Another participant mentions traditional railguns that utilize metal projectiles, indicating a lack of familiarity with plasma railguns.
  • A participant explains that plasma railguns use a plasma armature, which may reduce wear on the rails by minimizing frictional heating compared to solid armatures.
  • Historical context is provided by a participant who recalls the "Star Wars" program from the 1980s, suggesting that plasma railguns were considered for space-based applications. They express skepticism about the practicality of such weapons due to challenges with plasma stability in air and the need for high-density plasma to inflict damage.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the current state of research into plasma railguns, and multiple viewpoints regarding their feasibility and historical context are presented.

Contextual Notes

Unresolved issues include the specific requirements for plasma density to achieve damaging effects and the practicality of using plasma in atmospheric conditions.

gildomar
Messages
98
Reaction score
2
I think that this goes in this category...

Do you know if anyone is doing current work on plasma railguns? The most recent stuff that I've seen about it is still some years old.
 
Physics news on Phys.org
Never heard of "plasma railguns". I just heard of the railguns that accelerate metal projectiles to such speeds that they melt during flight.
 
Yeah, it uses a plasma armature instead of a solid one. From what I understand, it helps reduce wear on the rails since you don't have a solid sliding along another solid at insane speeds and producing a lot of frictional heating.
 
Wasn't this part of the "Star Wars" program in the mid 80s? It does sound familiar
I suspect that the reason you never hear about is that even if you get it to work it would be impractical since a plasma would not work in air. I guess the idea in the "Star Wars" program was to use it for space based weapons (to e.g. shoot down ICBMs) but even then you would have lots of problems with the plasma dispersing.
Also, I don't know what kind of plasma you would need to actually damage anything, "normal" plasma is used for quite gentle cleaning; presumably you would need something with a much higher density to actually damage a target.
 

Similar threads

  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
5K
  • · Replies 12 ·
Replies
12
Views
9K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 15 ·
Replies
15
Views
5K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K