8 results about "Plasma fusion" patented technology

To provide a plasma nuclear fusion reactor which can heat plasma up to higher than approximately a hundred million degrees and keep that temperature of the plasma.SOLUTION: A pair of electrodes 3 covered by an insulation body are provided in the inside of a plasma nuclear fusion reactor 1. Applying a direct-current electric field 4 to a fuel plasma 2 allows generation of a nuclear fusion reaction at plasma temperatures as low as not higher than several hundreds degrees.SELECTED DRAWING: Figure 2

The application discloses a sustained combustion type plasma nuclear fusion chamber. The chamber comprises a shell, a plasma channel is arranged in the shell, the plasma channel is a tapered pipeline from an inlet end to an outlet end, the inlet of the plasma channel is communicated with the outlet of an electromagnetic acceleration channel of a plasma electromagnetic acceleration device, the inner end of the plasma channel is communicated with a plasma nuclear fusion cavity, the inner wall of the plasma nuclear fusion cavity is an arc surface, a nuclear fusion sustained combustion cavity is arranged on the inner wall of the plasma nuclear fusion cavity, and the nuclear fusion sustained combustion cavity is filled with nuclear fusion fuel. The sustained combustion type plasma nuclear fusion chamber can make plasma enter the plasma nuclear fusion chamber and generate primary nuclear fusion, and the primary nuclear fusion can transmit heat to the nuclear fusion fuel in the nuclear fusion sustained combustion cavity, thereby triggering secondary nuclear fusion.

Disclosed are techniques for initiating and sustaining a transport barrier within a magnetically confined plasma in a plasma fusion device. For a toroidal magnetic configuration, a characteristic region of the magnetic field can be established by generating a current within the plasma or by other means. The location of the characteristic region can be controlled to be suitably close to the interior walls of the plasma fusion device to allow a quantity of particles to be injected into the plasma at or inside the characteristic region. The quantity of particles can augment the density of the plasma and create a density gradient within the characteristic region, resulting in the formation of a transport barrier at or inside the characteristic region.

The utility model discloses a plasma fused quartz cylindrical blank forming system, which relates to the field of plasma fusion, solves the problem of limited forming effect due to the adoption of a traditional heat source for heating in an existing device, and adopts the following scheme that the plasma fused quartz cylindrical blank forming system comprises a smelting furnace, and a tray system is arranged on the bottom side of the smelting furnace; a plasma device is assembled on the top side of the smelting furnace; a main body of the plasma device is a direct-current non-transfer plasma torch, and the plasma device is provided with four sets of plasma torches; a feeding system is arranged on the left side of the smelting furnace, and a compressed air system and a power supply control system are further arranged on the outer side of the smelting furnace; according to the plasma fused quartz cylindrical blank forming system, through the arrangement of the plasma device, plasma is adopted as a heat source, the melting temperature higher than 2500 DEG C is provided, reliable melting of quartz sand is guaranteed, good fluidity is kept, and the forming effect of quartz is guaranteed.

Techniques for initiating and maintaining a transport barrier within a magnetically confined plasma in a plasma fusion apparatus are disclosed. For an annular magnetic configuration, a characteristic region of a magnetic field may be created by generating an electric current within the plasma or otherwise establishing a characteristic region of the magnetic field. The location of the feature region may be controlled appropriately close to the inner wall of the plasma fusion device to allow a number of particles to be injected into the plasma at or within the feature region. The number of particles may increase the density of the plasma and create a density gradient within the feature region such that a transport barrier is formed at or within the feature region.

The invention discloses a deuterium-deuterium fusion device. The whole deuterium-deuterium fusion device consists of a cylindrical barrel, an upper end cover and a lower end cover, the wall of the cylinder body is made of a zirconium boride material, the thickness is 50mm, the height is 10m, and the inner diameter is 12m; the side wall of the container is grounded to serve as a cathode. The upper end cover and the lower end cover are in a round cake shape and are made of hexagonal boron nitride, six through holes with the diameter phi being 600 mm are reserved in each of the upper end cover and the lower end cover, and the centers of the holes are evenly formed in the positions 5 m away from the axis and used for inputting and outputting working gas. Phi40mm through holes are reserved in the central axes of the upper end cover and the lower end cover respectively and used for installing deuterium gas inlet and outlet pipes for generating ion sources. The deuterium gas inlet pipe and the deuterium gas outlet pipe for generating the ion source penetrate through the whole deuterium-deuterium fusion device, the exteriors of the upper end cover and the lower end cover are coated with high-temperature-resistant and high-insulation heat insulation materials, magnet rings are additionally arranged, the inner diameter of each magnet ring is 4m, and the outer diameter of each magnet ring is 8m; a resistor is arranged at the upper end cover; and the resistor, the anode tungsten filament and the wall of the cylindrical barrel form a voltage division circuit. The device solves the problems of plasma fusion high-temperature environment, heat exchange, neutron irradiation, sustainability and the like.

This application discloses a plasma model analysis method and apparatus for space charging and discharging effects. The method includes: determining the orbit type and the space region traversed during on-orbit operation; determining the plasma model of the outer space plasma fusion model in the traversed space region; obtaining plasma parameters of the traversed space region based on data from the current solar activity period and / or the current geomagnetic activity period; analyzing the charging and discharging effects occurring on the spacecraft surface based on the plasma parameters; using an intrinsic plasma model in the intrinsic region and a transitional fusion model in the transition region, determining the range of the transition region based on the boundary between two adjacent intrinsic regions; dividing the transition region into multiple sub-regions based on the range and division strategy of the transition region; determining the fusion mode of each sub-region for each sub-region, obtaining a transitional fusion model corresponding to the transition region. The plasma parameters obtained through plasma model analysis are more accurate.

The present invention discloses a low-temperature plasma fusion ultraviolet special pathogen coronavirus disinfection technology device, which belongs to the field of disinfection technology. The device includes a low-temperature plasma airflow generator, an ultraviolet generator and an airflow circulation system; the ultraviolet generator is located in front of the low-temperature plasma airflow, and the disinfection airflow formed by the fusion of the low-temperature plasma airflow and ultraviolet light is sprayed onto the surface of the sample to be disinfected, thereby disinfecting the pathogens and coronaviruses on the sample surface; the disinfection airflow circulation is used to improve the disinfection efficiency and reduce O3 emissions. Using a working voltage of 33±5kV, a frequency of 13±5kHz, and a fusion of ultraviolet light with a wavelength of 222±10 nanometers, 6Log10CFU / cm2 of Staphylococcus aureus is disinfected and killed in 160s, and 4.28log10TCID50 / cm2 of coronavirus (SARS-CoV-2) is disinfected and killed in 30s. The efficient disinfection efficiency of this technical device for microbial coronaviruses will provide core technical device support for the development of special equipment for disinfection of pathogens and coronaviruses in modern cold chain logistics.