Fusion research idea involving more pressure

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Discussion Overview

The discussion revolves around the concept of increasing pressure in fusion reactors as a potential method to enhance fusion reactions. Participants explore the implications of this idea across different types of fusion reactors, including both magnetic confinement and inertial confinement approaches.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant proposes that increasing pressure, alongside heat, could improve fusion reactor performance, drawing inspiration from stellar processes.
  • Another participant seeks clarification on the specific type of fusion reactor being discussed and questions how increased pressure would be applied to the plasma.
  • A participant suggests that pumping inert gas into the reactor might achieve the necessary pressure, although they express uncertainty about the effectiveness of this approach.
  • A later reply indicates that magnetic confinement reactors, such as Tokamaks, are likely the focus, noting that introducing pressurized inert gas could cool the plasma and hinder fusion reactions.
  • This reply also emphasizes the importance of understanding plasma physics and fusion reactor operation for further exploration of the idea.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the feasibility of increasing pressure in fusion reactors, and multiple competing views regarding the implications and methods remain present.

Contextual Notes

There are limitations regarding the assumptions about the types of fusion reactors and the effects of introducing inert gases, as well as the need for a deeper understanding of plasma physics to evaluate the proposed ideas effectively.

Xebiqe
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Could it be that fusion reactors require more pressure?
Greetings!

I have been thinking about fusion reactors and got an idea; what if fusion reactors just require more pressure along with the heat? I'm not active herel so I'm not sure if that is already underway, just thinking about the stars.

- Xebiqe
 
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Welcome to PF.

What type of fusion reactor are you asking about? How do you propose to exert more pressure on the plasma in that configuration?
 
Thank you.

I mean all types of fusion reactors. I am not sure whether this would work, but I hope that pumping—and pressurize with it—inert gas to the reactor can achieve enough pressure. I hope that this gives you more ideas.
 
Xebiqe said:
I mean all types of fusion reactors. I am not sure whether this would work, but I hope that pumping—and pressurize with it—inert gas to the reactor can achieve enough pressure.

Presumably you mean Magnetic Confinement reactors (Tokamaks and similar), and not Inertial Confinement Fusion (ICF) reactors. Magnetic confinement is used because any contact with the reactor walls (or a pressurized inert gas) cools the plasma, which is counterproductive to achieving the combination of high pressure and high temperature that is required to encourage fusion reactions to occur in the plasma.

It will help you a lot to do some reading about how fusion reactors work, and read at least about the basic plasma physics involved. I'll try to add some links here for further reading for you. I don't know your background in physics (and specifically plasma physics), so I'll try to keep the links to more basic reading. I can recommend more advanced references if you like.

https://en.wikipedia.org/wiki/Nuclear_fusion

https://en.wikipedia.org/wiki/Plasma_(physics)#Plasma_science_and_technology
 
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