#collision
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In this chapter we study the properties of a plasma in an electric field Our treatment of magnetized plasmas will await consideration of individual charged particle orbits in spatially and time varying electric and magnetic fields presented in Chapter Thus in this chapter the Lorentz force is simple F qE We look at basic phenomena such as plasma breakdown equilibrium di usion and plasma wall interactions including sheath physics and Langmuir probes To commence let us look at plasma equilibrium in the presence of an E field
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Rapports de stage
In this chapter we study the properties of a plasma in an electric field Our treatment of magnetized plasmas will await consideration of individual charged particle orbits in spatially and time varying electric and magnetic fields presented in Chapter Thus in this chapter the Lorentz force is simple F qE We look at basic phenomena such as plasma breakdown equilibrium di usion and plasma wall interactions including sheath physics and Langmuir probes To commence let us look at plasma equilibrium in the presence of an E field
22 pages
English
Documents
Analyse locale de l'hydrodynamique d'un broyeur à billes agité pour le traitement de dispersions solide-liquide, Local analysis of the hydrodynamics in a stirred media mill for the treatment of solid-liquid dispersions
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Introduction We are now in a position to study the behaviour of plasma in a magnetic field In the first instance we will re examine particle di usion and mobility with magnetic field included It will be shown that the importance of magnetic e ects depends on the ratio of the collision and cyclotron frequencies When the collision fre quency is high the magnetic field is not felt by the plasma When the collision frequency is low and since a fluid element is composed of many individual par ticles we expect the fluid to exhibit drifts if the guiding centres drift However there is also a drift associated with the pressure gradent that is not found in the single particle picture
Documents
Rapports de stage
Introduction We are now in a position to study the behaviour of plasma in a magnetic field In the first instance we will re examine particle di usion and mobility with magnetic field included It will be shown that the importance of magnetic e ects depends on the ratio of the collision and cyclotron frequencies When the collision fre quency is high the magnetic field is not felt by the plasma When the collision frequency is low and since a fluid element is composed of many individual par ticles we expect the fluid to exhibit drifts if the guiding centres drift However there is also a drift associated with the pressure gradent that is not found in the single particle picture
16 pages
English
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