hollow-cathode gas discharge
Characteristics of cylindrical hollow cathode plasma jet
... The hollow cathode is made of metal copper of the cylindrical shape of diameter 25mm to absorb the produced heat by ions sputtering in the ...cylindrical hollow cathode is to get denser plasma ...
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Effect of Nitrogen Gas Pressure and Hollow Cathode Geometry on the Luminous Intensity Emitted from Glow Discharge Plasma
... of hollow cathode glow discharge,for the luminous intensity emitted from the positive column at low pressures investigated ...the gas pressure close to nearly decreasing exponential as a ...
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Hollow cathode thrusters for all electric spacecraft
... of hollow cathodes such may also present a microthruster suitable for smaller satellites ...cold gas thrusters and resistojets are deficient in ...T6 hollow cathode in particular permits ...
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Plasma Surface Interactions in LaB₆ Hollow Cathodes with Internal Xe Gas Discharge
... different hollow cathodes [32]. In the small cathode (bottom), called NSTAR DHC, the agreement between electron number densities was well within the uncertainty of the measurement whereas in the larger ...
173
Plasma Surface Interactions in Hollow Cathode Discharges for Electric Propulsion
... the discharge is governed by the conservation equations and inter- actions with the xenon ...the hollow cathode geometry. The hollow cathode transport model was first developed and ...
146
Plasma Particle Trajectory Study for a Device Combining Hollow Cathode Discharge and Non-Adiabatic Trap
... cylindrical hollow cathode discharge to which the magnetic field of the solenoid and Helmholtz coil is ...The hollow cathode can increase the ion- ization efficiency of the neutral ...
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Dependence of some plasma parameters on ap in a dc helium hollow cathode discharge
... the hollow cathode effect are primarily due to its efficient confinement of particles (neutrals, ions, electrons) due its geometry ...p, discharge current I and voltage V, hollow ...
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Theoretical and Experimental Investigation of Hollow Cathode Nitrogen Glow Discharge Plasma
... specific discharge of hollow ...the cathode spend almost energy for excitation and ionization of working gas at distant of several centimeter from the cathode, that is why the plasma ...
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Q-switched laser as a source for Thomson scattering from a hollow cathode arc.
... gas discharge. An investigation was made of the effects on the system under normal oscillation, when the parameters temperature, cavity length, and input pumping were varied. Phthalocyanine and ...
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Spectral emission analysis of a dc helium hollow cathode discharge
... present hollow cathode discharge setup are listed in Table ...the discharge conditions and hollow cathode ...(99.999%) gas used. Although some sputtering occurs in the ...
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A study of the hollow cathode metal vapour laser discharge
... the cathode current density increases by several orders of ...the hollow cathode effect. Moreover, ..the gas temperature■ is low, so Doppler broadening is small, hence the emitted lines are ...
196
Creation of a new class of nanocomposite coatings of the increased crack resistance and hardness on the basis of innovative beam technologies
... the hollow cathode 2 with a diameter of 260 mm and length 100 ...the cathode with a diameter of 200 ...which gas is fed into the chamber, the cathode through the grid 3 is supplied from ...
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Advanced post-acceleration methodology for pseudospark-sourced electron beam
... pseudospark discharge is able to generate a low energy electron beam with a higher combined current density and brightness compared with electron beams formed from any other known type of electron ...pseudospark ...
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Unit1.pdf
... During charging the reverse reactions takes place the anode and cathode. The cell voltage depends on the choice of the electrode materials. The transition metal centers are redox active and, they can undergo the ...
41
Synthesis and Characterization of Porous Sulfur/MWCNTs Composites with Improved Performance and Safety as Cathodes for Li-S Batteries
... Two discharge plateaus are observed in the discharge profiles of both samples (plateau ...composite cathode (Fig. 6b). The gap potential between the charge and discharge plateaus for sample ...
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STUDY ON ROLE OF TEMPESTUOUS ADVANCES IN COMPUTER TECHNOLOGY
... silent discharge. The second excimer continua of rare gas had also been obtained by Tanka in a much simpler configuration used as spectroscopic light source for absorption measurement in vacuum ultraviolet ...
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Comparison of the Plasma Temperature and Electron Number Density of Pulsed Electrolyte Cathode Atmospheric Pressure Discharge and Direct Current Solution Cathode Glow Discharge
... near cathode region of dc-SCGD was weaker than other ...near cathode region ...whose discharge system (LEP-AES) was driven by a high-voltage DC pulse power, the excitation temperatures of the ...
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BARRIERS TO COMMERCIALIZATION OF PASSIVE DIRECT METHANOL FUEL CELLS: A REVEIW
... In the chen et al. work, a passive DMFC with its cathode current collector made of porous metal foam was investigated experimentally. They found that the porous current collector showed a higher cell operating ...
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The motion of a glow discharge under the influence of a transverse magnetic field
... AnDS AsDS CDS CL NG FDS ANODE CATHODE LIGHT INTENSITY DISTANCE FPOM CATHODE FIG 1-3 GLOW DISCHARGE PARAMETERS... FIG 5-4 THE MOTION OF IONS & ELECTRONS IN THE CATHODE FALL REGION..[r] ...
300
Journal of Applied Pharmaceutical Science
... According to Khan et al., (2011), the samples in the powdered form were accurately weighed and digested in a 5: 1:0.5 mixtures of nitric acid, sulphuric acid and perchloric acids. The solution was heated gently and then ...
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