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Nonthermal plasma information


A nonthermal plasma, cold plasma or non-equilibrium plasma is a plasma which is not in thermodynamic equilibrium, because the electron temperature is much hotter than the temperature of heavy species (ions and neutrals). As only electrons are thermalized, their Maxwell-Boltzmann velocity distribution is very different from the ion velocity distribution.[1] When one of the velocities of a species does not follow a Maxwell-Boltzmann distribution, the plasma is said to be non-Maxwellian.

A kind of common nonthermal plasma is the mercury-vapor gas within a fluorescent lamp, where the "electron gas" reaches a temperature of 20,000 K (19,700 °C; 35,500 °F) while the rest of the gas, ions and neutral atoms, stays barely above room temperature, so the bulb can even be touched with hands while operating.

  1. ^ von Engel, A. and Cozens, J.R. (1976) "Flame Plasma" in Advances in electronics and electron physics, L. L. Marton (ed.), Academic Press, ISBN 978-0-12-014520-1, p. 99 Archived 2 December 2016 at the Wayback Machine

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Nonthermal plasma

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A nonthermal plasma, cold plasma or non-equilibrium plasma is a plasma which is not in thermodynamic equilibrium, because the electron temperature is much...

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Food preservation

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Food preservation includes processes that make food more resistant to microorganism growth and slow the oxidation of fats. This slows down the decomposition...

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Anisothermal plasma

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and ions. The term nonthermal plasma includes anisothermal plasmas and means that the different degrees of freedom of the plasma are not in thermal equilibrium...

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Quantum dot

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synthesized by using nonthermal plasma. The size, shape, surface and composition of quantum dots can all be controlled in nonthermal plasma. Doping that seems...

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Dielectric barrier discharge

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Dielectric Barrier Discharges (DBDs)". Industrial Plasma Engineering: Volume 2: Applications to Nonthermal Plasma Processing (1st ed.). CRC Press. ISBN 978-0750305440...

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Virulent Newcastle disease

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successful, complete inactivation of the virus in a space using a nonthermal plasma generator. Though the oncolytic effect of NDV was already documented...

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Plasmalysis

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atmospheric-pressure plasmas, the temperatures in thermal plasmas are usually above 6000 K. This corresponds to average kinetic energies of less than 1 eV. Nonthermal plasmas...

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Polywell

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for the ion distribution is shown in Figure 5. Supporters modeled a nonthermal plasma. The justification is the high amount of scattering in the device...

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Magnetohydrodynamic generator

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due to the fast thermal material erosion, it was envisaged to use nonthermal plasmas as working fluids in steady MHD generators, where only free electrons...

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Plasma medicine

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2017). "Successful treatment of actinic keratoses using nonthermal atmospheric pressure plasma: A case series". Journal of the American Academy of Dermatology...

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Silicon quantum dot

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Girshick, Steven L.; Wu, Jeslin J.; Aydil, Eray S. (2016-09-28). "Nonthermal Plasma Synthesis of Nanocrystals: Fundamental Principles, Materials, and...

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List of plasma physics articles

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This is a list of plasma physics topics. Contents:  Top 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Physics portal G.S. Miller, E.E. Salpeter...

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Basanti Dulal Nagchaudhuri

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on nuclear isomers, induced radioactivity, Cherenkov radiation and nonthermal plasma. During his doctorate at Berkeley, he had worked with the pioneers...

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Inertial electrostatic confinement

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high-mass ions into the reaction chamber, pollute the plasma, and cool the fuel. In examining nonthermal plasma, workers at LANL realized that scattering was...

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Blazar

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regions can produce a variety of observed energy, mostly in the form of a nonthermal spectrum ranging from very low-frequency radio to extremely energetic...

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Moogega Cooper

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Mechanism of Blood Coagulation by Nonthermal Atmospheric Pressure Dielectric Barrier Discharge Plasma. IEEE Transactions on Plasma Science, 35(5), 1559–1566....

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Coronal mass ejection

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ejection (CME) is a significant ejection of magnetic field and accompanying plasma mass from the Sun's corona into the heliosphere. CMEs are often associated...

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Chemical WorkBench

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Development of Kinetic Mechanisms in Chemically Active Light-Emitting Nonthermal Plasmas and Gases". AIP Conf. Proc. 901: 204–2014. doi:10.1063/1.2727370....

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Solar radio emission

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solar corona by a plasma instability that occurs when a beam of nonthermal (fast-moving) electrons moves through the ambient plasma. The electron beam...

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Compressibility

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transported to the object surface by diffusion may release this extra (nonthermal) energy if the surface catalyzes the slower recombination process. For...

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Magnetohydrodynamic drive

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using nonthermal weakly ionized gases, making the development of demonstrators much more difficult to realize than for MHD in liquids. "Cold plasmas" with...

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