Magnetic confinment of plasma/sustained fusion

Thread starter CSantos
Start date Dec 28, 2013
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Fusion Magnetic Plasma

In summary, magnetic confinement of plasma is a method that uses magnetic fields to control and contain high-temperature, ionized gas (plasma). It is used in fusion energy research to sustain nuclear fusion reactions. The technique works by trapping and shaping the plasma with powerful electromagnets. Some advantages of magnetic confinement over other fusion methods include the ability to confine large volumes of plasma, scalability, and potential for steady-state operation. However, achieving sustained fusion through magnetic confinement is challenging due to the high temperatures and pressures required and the need for materials that can withstand extreme conditions. While there has been progress in research, sustained and controlled fusion reactions have not yet been achieved.

Dec 28, 2013

CSantos

what is the feasibility of sustained fusion by employing magnetic confinement of plasma?

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Dec 28, 2013

Drakkith

Mentor

It is currently the most funded method and ITER is expected to hit breakeven when it becomes operational in another decade or so.

What is magnetic confinement of plasma?

Magnetic confinement of plasma is a method used to control and contain high-temperature, ionized gas (plasma) using magnetic fields. This technique is used in fusion energy research, where plasma is confined and heated to high enough temperatures to initiate and sustain nuclear fusion reactions.

How does magnetic confinement work?

Magnetic confinement works by using strong magnetic fields to trap and contain the plasma, preventing it from coming into contact with the walls of the confinement vessel. The magnetic fields are created by powerful electromagnets that surround the plasma and shape and control its movement.

What are the advantages of magnetic confinement over other fusion methods?

Magnetic confinement has several advantages over other fusion methods, including its ability to confine large volumes of plasma for long periods of time, its scalability for larger fusion reactors, and its potential for steady-state operation (continuous energy production). It also does not produce any greenhouse gases or long-lived radioactive waste.

What are the challenges of achieving sustained fusion through magnetic confinement?

One of the biggest challenges of magnetic confinement is achieving and maintaining the high temperatures and pressures required for fusion reactions to occur. This requires a significant amount of energy, and the plasma must be carefully controlled and stabilized to prevent it from escaping the magnetic fields. Another challenge is developing materials that can withstand the extreme conditions inside the confinement vessel.

What is the current status of magnetic confinement fusion research?

Magnetic confinement fusion research has made significant progress over the years, with experiments such as the Joint European Torus (JET) and the International Thermonuclear Experimental Reactor (ITER) achieving important milestones. However, sustained and controlled fusion reactions have not yet been achieved, and more research and development are needed before fusion can become a viable source of energy.