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- Plasma_scaling abstract "The parameters of plasmas, including their spatial and temporal extent, vary by many orders of magnitude. Nevertheless, there are significant similarities in the behaviors of apparently disparate plasmas. Understanding the scaling of plasma behavior is of more than theoretical value. It allows the results of laboratory experiments to be applied to larger natural or artificial plasmas of interest. The situation is similar to testing aircraft or studying natural turbulent flow in wind tunnels with smaller-scale models.Similarity transformations (also called similarity laws) help us work out how plasma properties change in order to retain the same characteristics. A necessary first step is to express the laws governing the system in a nondimensional form. The choice of nondimensional parameters is never unique, and it is usually only possible to achieve by choosing to ignore certain aspects of the system.One dimensionless parameter characterizing a plasma is the ratio of ion to electron mass. Since this number is large, at least 1836, it is commonly taken to be infinite in theoretical analyses, that is, either the electrons are assumed to be massless or the ions are assumed to be infinitely massive. In numerical studies the opposite problem often appears. The computation time would be intractably large if a realistic mass ratio were used, so an artificially small but still rather large value, for example 100, is substituted. To analyze some phenomena, such as lower hybrid oscillations, it is essential to use the proper value.".
- Plasma_scaling thumbnail Plasma_scaling.svg?width=300.
- Plasma_scaling wikiPageID "2214999".
- Plasma_scaling wikiPageLength "14721".
- Plasma_scaling wikiPageOutDegree "40".
- Plasma_scaling wikiPageRevisionID "646878380".
- Plasma_scaling wikiPageWikiLink Aircraft.
- Plasma_scaling wikiPageWikiLink Alfvén_wave.
- Plasma_scaling wikiPageWikiLink Ampxc3xa8res_circuital_law.
- Plasma_scaling wikiPageWikiLink Aurora.
- Plasma_scaling wikiPageWikiLink Beta_(plasma_physics).
- Plasma_scaling wikiPageWikiLink Boundary_layer.
- Plasma_scaling wikiPageWikiLink Carl-Gunne_Fälthammar.
- Plasma_scaling wikiPageWikiLink Category:Plasma_physics.
- Plasma_scaling wikiPageWikiLink Category:Space_plasmas.
- Plasma_scaling wikiPageWikiLink Chromosphere.
- Plasma_scaling wikiPageWikiLink Corona.
- Plasma_scaling wikiPageWikiLink Debye_length.
- Plasma_scaling wikiPageWikiLink Exosphere.
- Plasma_scaling wikiPageWikiLink Faradays_law_of_induction.
- Plasma_scaling wikiPageWikiLink Fusion_power.
- Plasma_scaling wikiPageWikiLink Gausss_law.
- Plasma_scaling wikiPageWikiLink Guiding_center.
- Plasma_scaling wikiPageWikiLink Gyroradius.
- Plasma_scaling wikiPageWikiLink Hannes_Alfvén.
- Plasma_scaling wikiPageWikiLink Interstellar_medium.
- Plasma_scaling wikiPageWikiLink Ionosphere.
- Plasma_scaling wikiPageWikiLink List_of_plasma_(physics)_articles.
- Plasma_scaling wikiPageWikiLink Lower_hybrid_oscillation.
- Plasma_scaling wikiPageWikiLink Nondimensionalization.
- Plasma_scaling wikiPageWikiLink Order_of_magnitude.
- Plasma_scaling wikiPageWikiLink Outer_space.
- Plasma_scaling wikiPageWikiLink Plasma_(physics).
- Plasma_scaling wikiPageWikiLink Scale_invariance.
- Plasma_scaling wikiPageWikiLink Similitude_(model).
- Plasma_scaling wikiPageWikiLink Tesla_(unit).
- Plasma_scaling wikiPageWikiLink Tokamak.
- Plasma_scaling wikiPageWikiLink Turbulence.
- Plasma_scaling wikiPageWikiLink Wind_tunnel.
- Plasma_scaling wikiPageWikiLink File:Plasma_scaling.svg.
- Plasma_scaling wikiPageWikiLinkText "Dimensionless parameters in tokamaks".
- Plasma_scaling wikiPageWikiLinkText "Plasma scaling".
- Plasma_scaling wikiPageWikiLinkText "plasma scaling".
- Plasma_scaling wikiPageWikiLinkText "scalability of plasma".
- Plasma_scaling wikiPageWikiLinkText "scaling parameter".
- Plasma_scaling wikiPageWikiLinkText "scaling".
- Plasma_scaling wikiPageWikiLinkText "similarity transformations".
- Plasma_scaling wikiPageUsesTemplate Template:Citation_needed.
- Plasma_scaling wikiPageUsesTemplate Template:Reflist.
- Plasma_scaling wikiPageUsesTemplate Template:What.
- Plasma_scaling subject Category:Plasma_physics.
- Plasma_scaling subject Category:Space_plasmas.
- Plasma_scaling type Astrophysic.
- Plasma_scaling type Physic.
- Plasma_scaling type Plasma.
- Plasma_scaling comment "The parameters of plasmas, including their spatial and temporal extent, vary by many orders of magnitude. Nevertheless, there are significant similarities in the behaviors of apparently disparate plasmas. Understanding the scaling of plasma behavior is of more than theoretical value. It allows the results of laboratory experiments to be applied to larger natural or artificial plasmas of interest.".
- Plasma_scaling label "Plasma scaling".
- Plasma_scaling sameAs Q3258683.
- Plasma_scaling sameAs Lois_dxc3xa9chelle_en_physique_des_plasmas.
- Plasma_scaling sameAs m.06wjs8.
- Plasma_scaling sameAs Q3258683.
- Plasma_scaling wasDerivedFrom Plasma_scaling?oldid=646878380.
- Plasma_scaling depiction Plasma_scaling.svg.
- Plasma_scaling isPrimaryTopicOf Plasma_scaling.
