Magnetic diffusivity : significance?

In summary, Magnetic diffusivity is a term that appears in the induction equation for plasma fluids. It refers to the diffusion of magnetic fields as they interact with plasma. Diffusion in this context means the gradual spread or dispersion of the magnetic field. Understanding this concept is important in plasma cosmology.
  • #1
!kx!
58
0
Magnetic diffusivity is a term that appears in the induction equation, when we deal with plasma fluids. It has units of meter squared per second.
I am unable to figure out what does the diffusion of plasma as a fluid implies.. It has something to do with magnetic field interacting with the plasma..

Someone please provide a detailed explanation..
 
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  • #2
what does diffusion means..? how can i physically understand it.. with a plasma..?

someone please reply...
 
  • #3
nyone... please give some answer... ! :cry:
 
  • #4
Plasma cosmology gibberish.
 
  • #5
thanx for replying.. but that didn't help much.. :confused:
 
  • #6
people should seriously consider studying plasmas for a change... :-/
 

Related to Magnetic diffusivity : significance?

1. What is magnetic diffusivity?

Magnetic diffusivity is a measure of how effectively a magnetic field can penetrate through a material. It is a property that describes the rate at which a magnetic field is able to diffuse or spread out within a material.

2. What is the significance of magnetic diffusivity?

Magnetic diffusivity is significant because it plays a crucial role in determining the behavior of magnetic fields in various materials. It helps us understand how magnetic fields interact with conductive materials, such as metals, and how they can be manipulated for practical applications.

3. How is magnetic diffusivity measured?

Magnetic diffusivity is typically measured in units of square meters per second (m^2/s) or square centimeters per second (cm^2/s). It can be calculated using the material's electrical conductivity, magnetic permeability, and the frequency of the applied magnetic field.

4. What factors affect magnetic diffusivity?

The main factors that affect magnetic diffusivity are the electrical conductivity and magnetic permeability of the material. Higher conductivity and permeability generally result in higher diffusivity. The frequency and strength of the applied magnetic field can also influence diffusivity.

5. How is magnetic diffusivity used in practical applications?

Magnetic diffusivity is used in a variety of practical applications, such as in the design of electromagnetic devices, including transformers and inductors. It is also important in understanding and controlling magnetic fields in materials used in power generation, transmission, and distribution systems.

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