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Mechanism of electrical breakdown of gases for pressures from 10(-9) to 1 bar and inter-electrode gaps from 0.1 to 0.5mm
(IOP Publishing Ltd, Bristol, 2007)
This paper discusses the mechanisms of gas breakdown at low values of pressure and inter-electrode gap, i.e. in the vicinity of the Paschen minimum. In this area of pressure and inter-electrode gap values, breakdown occurs ...
The validity of the similarity law for the electrical breakdown of SF6 gas
(Ieee-Inst Electrical Electronics Engineers Inc, Piscataway, 2007)
The aim of this paper is to investigate the justification and the limitation of the geometrical similarity law application on the electrical breakdown of SF6 gas. For this purpose, the measurements of the dielectric breakdown ...
Three-dimensional modeling of utility boiler pulverized coal tangentially fired furnace
(Pergamon-Elsevier Science Ltd, Oxford, 2006)
This paper presents selected results of numerical simulations of processes in utility boiler pulverized coal tangentially fired dry-bottom furnace. The simulations have been performed by specially developed comprehensive ...
Nonlinear transformation of electromagnetic wave in time-varying plasma medium: Longitudinal propagation
(Amer Inst Physics, Melville, 2006)
The nonlinear transformation of a linearly polarized source plane electromagnetic wave, propagating along an external static magnetic field in free space for t lt 0, due to the sudden creation of homogeneous plasma at ...
Efficient helium cooling methods for nuclear fusion devices: Status and prospects
(Elsevier Science Sa, Lausanne, 2009)
Helium-cooled reactors offer several important advantages as the helium is an inert and neutron transparent gas. compatible with high outlet temperatures and all structural and functional materials considered for plasma ...
Experimental Investigation of Microcutting Mechanisms in Marble Grinding
(ASME, New York, 2009)
This paper offers an experimental study of the microcutting mechanisms in marble grinding to aid the optimization of the marble grinding process. The necessity for investigating these mechanisms is dictated by the increased ...
Exponential tracking control of an electro-pneumatic servo motor
(Strojniski Vestnik/Journal of Mechanical Engineering, 2008)
According to the fundamental importance of the tracking theory on technical systems, the main goal of this paper is a further development of the theory and the application of the tracking, especially to the practical ...
Measurement and interpretation of swarm parameters and their application in plasma modelling
(IOP Publishing Ltd, Bristol, 2009)
In this review paper, we discuss the current status of the physics of charged particle swarms, mainly electrons, having plasma modelling in mind. The measurements of the swarm coefficients and the availability of the data ...
Safe Operation of Welded Structure with Cracks at Elevated Temperature
(Strojniski Vestnik/Journal of Mechanical Engineering, 2008)
The fatigue crack growth rate parameters and conditions for abrupt fracture of thick joint in steel at room and operating temperature were analysed. Fatigue cracks generated from sharp weld defects are initial cracks that ...
Conversion of a left-hand circularly polarized whistler wave into the magnetic energy of a controllable helical wiggler wave
(Plasma Devices and Operations, 2009)
A linearly polarized electromagnetic source wave splits into six traveling wave modes (three of them are right-hand circularly-polarized (RCP) modes and three are left-hand circularly-polarized (LCP) modes) due to the ...