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Publications (20)
A thermodynamic analysis has been performed using a universal TERRA program. The analysis has made it possible to identify the optimum parameters of the process of plasma chemical conversion of spent lubricants for various gasifying agents (air and water vapor). Based on the calculations, a closed-cycle scheme has been proposed for their integrated...
It is known that the formation of a dispersed phase under extreme conditions (high temperatures andprocess speed) leads to the formation of a non-equilibrium structure of particles. Therefore, the first toattract attention are technologies based on pulsed processes with high rates of change in the thermodynamicparameters of the system. One of these...
Studies of the electron density, the distributions of the discharge current density, magnetic field strength, the energy of electrons and ions in the plasma of induction and capacitive discharges at reduced pressures
Rapid sintering techniques for densifying zirconium dioxide based ceramic materials employing electromagnetic induction heating or inductive coupled plasma, reducing processing time from hours to minutes. In one embodiment a water-cooled coil is connected to a radio frequency power supply. The coil surrounds a susceptor body which in turn surrounds...
Systems and methods for plasma sterilization are described. The sterilization method includes placing a substance to be sterilized in a rotating chamber (e.g., drum) and exposing the substance to a radio frequency (RF) plasma. The mixing of the substance and plasma is further promoted by generating a magnetic field that produces a force on the subs...
A self sustained system for sorbent production includes a thermal reactor for pyrolytic decomposing organic waste material in order to generate synthetic gases and sorbents; sorbent and gas separation unit; gas cleaning unit and gas turbine, supplying energy back to the system. Rice husk is fed continuously into a thermal reactor at a controlled fe...
This talk presents a coordinated experimental investigation and computer modeling of basic plasma processes in simultaneous trapping and acceleration of both positive and negative ions by propagating electrostatic structures such as RFQs. The concept of increasing the current through stacking modules will be discussed. Furthermore, the concept of e...
Experiments are described on the simultaneous trapping and acceleration of both positive and negative ions by propagating electrostatic structures in plasmas. As the velocity of an electrostatic structure is increased, the ions trapped in its electrostatic wells are accelerated. The symmetry between positive and negative ions requires that ions of...
The modification of the submolecular structure of different fiber types may be carried out by physical methods. The effect of plasma-chemical treatment (PCT) on the change of pulp reactivity, hydrophilic and absorption properties were studied. The subjects of study for PCT were the following: the hardwood viscose and softwood cord pulps as well as...
The analysis of research results for high frequency plasmotrons with capacitance discharge (HFC-plasmotrons) has been given. The paper has presented an electric circuit of a HFC-plasmotron and a corresponding vector diagram of currents and voltages, the volt-amper characteristics of a HFC-plasmotron and a HFC discharge, the relation between the pow...
Des résultats théoriques et expérimentaux relatifs au traitement de SiO2, MgO, W..... dans un plasma inductif à pression atmosphérique sont présentés. L'optimisation des paramètres permet d'obtenir une efficacité maximale de 0,6 à 0,7 avec un taux de 1 à 50 %µm. Les résultats de mesure sur les caractéristiques thermophysiques et dynamique de l'écou...
Measurements have been made on the radial distributions for the velocity, heat flux, and gas temperature in the plasmotron having a discharge power of 11-22 kW, frequency 13.56 MHz, and air flow rates from 2.3 to 4.7 g/sec. The plasma temperature has been measured with an introduced body (sphere), whose brightness temperature is measured; the heat-...
Pure plasma is usually produced by a high frequency capacitative discharge. Spectral studies on a high-frequency capacitative discharge are reported. The temperatures and concentrations of the electron and atomic-ion components have been estimated. The energy characteristics at 5. 28 MHz have also been examined.
A system of magnetic mirrors is used to improve the performance of a plasma isotope enrichment device. The mirror system provides an effective increase in the length of the device. This allows construction of a smaller device than previous devices. The magnetic mirrors also provide a new and improved method of discrimination between resonant partic...
A magnetic mirror discriminator has been constructed for a plasma isotope enrichment device. The mirror discriminator/collector system is shown to make dramatic improvements in the throughput of the device. Dawson and colleges first demonstrated that ICR heating could be used to enrich isotopes (Phys Rev Let, 37(23), 1976). The process relies on th...
Symmetric plasmas composed of positive and negative ions of equal mass lend themselves to applications in fusion energy research, plasma processing, and ion propulsion. Reported here are new aspects of the trapping, acceleration, and transport of such plasmas. For trapping and acceleration, electric quadrupoles driven at radio frequencies (RFQs) ar...
In this paper we describe the characteristics of a system in which Aluminum nano-powder was saturated by Hydrogen. Control of the product parameters has been carried out by using a special quenching system and plasma reactor configuration. Highly Hydrogen enriched nano-Aluminum powder were collected in metal form and tested for different applicatio...