Hold plasma into one spot with magnetic field?

Thread starter kevin_tee
Start date Jun 21, 2015
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Field Magnetic Magnetic field Plasma

In summary, plasma can be held in place using a magnetic field through magnetic confinement. This is achieved by using a strong magnetic field to trap and contain the plasma particles for research and practical applications. Scientists generate a strong magnetic field using powerful electromagnets or superconducting coils. The main challenge in holding plasma with a magnetic field is maintaining its stability. However, plasma cannot be held indefinitely as it will lose energy and cool down over time, requiring continuous energy input to keep it contained.

Jun 21, 2015

kevin_tee

Hi, I curoius if there is any way to hold plasma into one spherical ball intead of donut as seen in tokamak using magnetic field? I have came up with a few design but it doesn't seem to do it.

Thank you.

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Jun 21, 2015

Drakkith

Mentor

The Polywell design does this to some extent. It's not exactly a sphere, but it's much closer than a doughnut.

Related to Hold plasma into one spot with magnetic field?

1. How is plasma held in place using a magnetic field?

Plasma can be held in place using a magnetic field through a process known as magnetic confinement. This involves using a strong magnetic field to trap and contain the plasma particles, preventing them from escaping and dissipating.

2. What is the purpose of holding plasma in one spot with a magnetic field?

The purpose of holding plasma in one spot with a magnetic field is to create a stable and controlled environment for studying and harnessing the properties of plasma. This is important for research in fields such as nuclear fusion and plasma physics.

3. How do scientists generate a strong enough magnetic field to hold plasma?

Scientists typically use powerful electromagnets or superconducting coils to generate a strong magnetic field for holding plasma. The strength of the magnetic field required depends on the type and density of the plasma being studied.

4. What challenges are faced when attempting to hold plasma in one spot with a magnetic field?

One of the main challenges faced when holding plasma in one spot with a magnetic field is maintaining the stability of the plasma. Any disruptions or instabilities in the magnetic field can cause the plasma to escape or become unstable, making it difficult to control and study.

5. Can plasma be held in place using a magnetic field indefinitely?

No, plasma cannot be held in place using a magnetic field indefinitely. Over time, the plasma will lose energy and cool down, making it more difficult to maintain a stable state. This is why continuous energy input is required to keep the plasma hot and contained.