Collisionless plasma hydromagnetic waves

In summary, collisionless plasma hydromagnetic waves refer to a type of wave in a plasma medium that is not affected by collisions between particles. This phenomenon can be observed in the solar wind and planetary magnetospheres. It is closely related to magnetohydrodynamics, which is the study of plasma fluid properties in the presence of strong magnetic fields. Essentially, it involves understanding how electrically charged particles interact with each other and create magnetic fields in a plasma environment.
  • #1
math04
27
0
The following physical expression :
Collisionless plasma hydromagnetic waves.
What does it mean?
 
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  • #4
jedishrfu said:
Google is your friend:

https://www.google.com/search?newwi...0j2...0...2j1..gws-wiz...6..35i39.6DI4Jqy8ACU
On Wikipedia you can find info on magnetohydrodynamics

https://en.wikipedia.org/wiki/Magnetohydrodynamics
I'm think this refers to understanding the plasma fluid properties of the Sun where you have really strong magnetic fields, plasmas, acoustical waves and collisions.
jedishrfu said:
Google is your friend:

https://www.google.com/search?newwi...0j2...0...2j1..gws-wiz...6..35i39.6DI4Jqy8ACU
On Wikipedia you can find info on magnetohydrodynamics

https://en.wikipedia.org/wiki/Magnetohydrodynamics
I'm think this refers to understanding the plasma fluid properties of the Sun where you have really strong magnetic fields, plasmas, acoustical waves and collisions.
Even Wiki gave physical explanation; I need to a siiimple meaning to get the what does it mean Magnetohydrodynamics!
 
  • #5
Why don't you propose one here?

You know it involves plasma, you know a plasma is ionized which means it has an electric charge, you that like charges repel and that moving charges create a magnetic field which in turn will affect other nearby charges.
 
  • #6
jedishrfu said:
Why don't you propose one here?

You know it involves plasma, you know a plasma is ionized which means it has an electric charge, you that like charges repel and that moving charges create a magnetic field which in turn will affect other nearby charges.

What do you mean by here?
 
  • #7
Here means you say 'I think the defintion of magnetohydrodynamics is _________________________. '
(fill in the blank with words.)
 
  • #8
Hope this! why not!
 

1. What is a collisionless plasma hydromagnetic wave?

A collisionless plasma hydromagnetic wave is a type of wave that propagates through a plasma (a gas composed of charged particles) without experiencing collisions between the particles. This type of wave is also influenced by the magnetic field present in the plasma.

2. How are collisionless plasma hydromagnetic waves generated?

Collisionless plasma hydromagnetic waves can be generated through various mechanisms, such as instabilities in the plasma, interactions with energetic particles, or external sources such as antennas. These waves can also be excited by natural phenomena, such as solar wind interactions with the Earth's magnetosphere.

3. What are the properties of collisionless plasma hydromagnetic waves?

Collisionless plasma hydromagnetic waves have several properties that distinguish them from other types of waves. These include their dependence on the plasma density and magnetic field strength, their ability to propagate through the plasma without losing energy, and their ability to transfer energy and momentum between different regions of the plasma.

4. How are collisionless plasma hydromagnetic waves studied?

Collisionless plasma hydromagnetic waves are studied using a variety of techniques, including laboratory experiments, computer simulations, and observations from satellites and spacecraft. These methods allow scientists to understand the behavior and characteristics of these waves in different plasma environments.

5. What are the practical applications of collisionless plasma hydromagnetic waves?

Collisionless plasma hydromagnetic waves have several practical applications, such as in plasma heating and confinement for fusion energy research, in the generation of radio and electromagnetic waves for communication and navigation systems, and in the study of space weather and its effects on Earth's environment and technology.

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