US20110188623A1 - Rotating High Density Fusion Reactor for aneutronic and neutronic fusion - Google Patents

Rotating High Density Fusion Reactor for aneutronic and neutronic fusion Download PDF

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Publication number
US20110188623A1
US20110188623A1 US12/850,633 US85063310A US2011188623A1 US 20110188623 A1 US20110188623 A1 US 20110188623A1 US 85063310 A US85063310 A US 85063310A US 2011188623 A1 US2011188623 A1 US 2011188623A1
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fusion
neutrals
energy
ions
cylindrical chamber
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US12/850,633
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Alfred Y. Wong
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Wong Alfred Y
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Priority to US17962509P priority Critical
Priority to US12/783,550 priority patent/US8298318B2/en
Application filed by Wong Alfred Y filed Critical Wong Alfred Y
Priority to US12/850,633 priority patent/US20110188623A1/en
Publication of US20110188623A1 publication Critical patent/US20110188623A1/en
Priority claimed from US14/205,339 external-priority patent/US9245654B2/en
Priority claimed from US14/592,676 external-priority patent/US9937479B2/en
Priority claimed from US15/589,902 external-priority patent/US10319480B2/en
Priority claimed from US15/589,913 external-priority patent/US10269458B2/en
Priority claimed from US15/974,592 external-priority patent/US20180330829A1/en
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21BFUSION REACTORS
    • G21B1/00Thermonuclear fusion reactors
    • G21B1/05Thermonuclear fusion reactors with magnetic or electric plasma confinement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/10Nuclear fusion reactors

Abstract

An energy-producing fusion device produces fusion of neutral atoms and ions in an “aneutronic fusion” manner without neutrons as productsutilizes strong ion-neutral coupling at high neutral densities. Ions and neutrals rotate together in a cylindrical chamber due to frequent collisions. High magnetic forces make the attainment of high rotation energy possible; the magnetic field in a medium can be set at very high values because of the absence of magnetic charges. The repeated acceleration by strong magnetic forces in the azimuthal direction makes possible very high ion velocity. Fusion takes place mainly between neutral particles. This approach can be applied to fusion with neutrons as well. Conventional fusion schemes and neutron sources can be realized using the principles described above in the generation of neutrals of high energies and densities.

Description

    CROSS-REFERENCE TO RELATED APPLICATIONS AND CLAIM FOR PRIORITY
  • This application is a continuation-in-part of copending application Ser. No. 12/783,550 filed on May 19, 2010, which claims priority under 35 U.S.C. §119(e) from provisional application Ser. No. 61/179,625 filed on May 19, 2009, the entire contents of which are incorporated herein by reference in their entirety.
  • BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • This invention describes an energy technology which utilizes neutrals to undergo fusion with the release of a net amount of energy. It relates to the field of energy production from nuclear fusion in which two atoms fuse together into a third atom with the resultant release of energy, a consequence of mass being converted into energy.
  • This invention provides a new approach to the production of fusion energy using neutrals instead of charged particles. It describes how neutrals can be accelerated in a compact rotating configuration, thereby achieving repeated interactions among themselves.
  • 2. Background
  • Fusion research has been going on since 1950's and the prospect for a commercial reactor is still many years away. The confinement of charged particles, the presence of instabilities and the large amount of energy required to sustain the reacting system at high temperatures all make this into one of the most challenging world-wide efforts. Many configurations have been proposed and tried to confine charged particles which are accelerated by electromagnetic means. No simple low-cost reactors have been realized today.
  • The present invention chooses to pursue fusion among neutrals in order to achieve very high density of particles for interactions, e.g. four orders of magnitude higher than is possible with charged particles. It uses the strong magnetic force (several thousands of newtons) on a current element to drive neutrals through the principle of ion-neutral coupling. The simple geometry and the compactness of the device makes it a breakthough in the concept on fusion. Unlike charged particles, neutrals do not experience Coulomb repulsion as they approach each other. The cross sections of interactions are therefore higher.
  • The high density of neutrals makes it possible to produce energy at a significant rate for commercial application. The rate of fusion is proportional to the square of the density. This technology is different from the present day usage of charged particles for fusion, where it is difficult to achieve high density due to the energy requirement on ionization and instabilities of a charged medium.
  • The high density of interacting particles makes it possible to attempt clean fusion where neutrons are not in the products. The advantages of such a fusion reactor are numerous, one of which is the sitting of reactors in urban areas. Others are environmental considerations including low amount of nuclear wastes, low cost of fuels and the replacement of hydrocarbons as fuels, thereby eliminating the emission of greenhouse gases.
  • SUMMARY OF THE INVENTION
  • This device operates at high neutral densities in order to increase the rate of fusion reactions even for low cross sections of interacting elements. This rate is proportional to the square of neutral densities. In one embodiment these neutrals are driven to high velocities by a non-mechanical plasma rotor in an annular region bounded by two concentric electrodes in an axial magnetic field. A DC voltage is imposed between these electrodes to impart a radial DC current I which produces a force F=1 L×B in the azimuthal direction where L is the radial vector of length L along which the current flows.
  • The repeated interactions between hydrogen and boron atoms in the annular region produce sufficient fusion reactions to yield energetic helium nuclei which can be used in a direct conversion to electricity or a source of heat for energy production. The low % ionization, the high driving force F in thousands of newtons and the repeated interactions at high neutral densities combine to make this a net energy producing system without pollution and minimal radioactive wastes. Hydrogen and boron are both plentiful and non-radioactive stable elements. The fusion product, energetic doubly-charged helium nuclei, lend themselves to direct conversion to electricity with high efficiency.
  • This device requires only a simple capital outlay consisting of a superconducting magnet and a DC power supply. It can operate in various sizes from 50 cm size to 10's meters, depending on the application.
  • Another aneutronic reactor uses the proton lithium (p-Li6) reactions with products of He3 and He4. The ease of coating of Li on electrodes inside chamber might be an advantage of sources and sinks in certain applications.
  • The above technology of using a predominant amount of neutrals can also be applied to D-T, D-D fusion where the products include neutrons. The capital investment and operation cost will be higher because of requirements for shielding and handling of radioactive materials. However the larger cross sections at lower energies of these fusion reactions compensate somewhat for this higher capitalization and operational cost.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 shows one configuration of a p-B11 fusion device with concentric electrodes.
  • FIG. 2 shows a high current multi-triggering discharge circuit to extend pulse duration
  • FIG. 3 shows a 6 kilovolt direct current power supply for continuous wave discharge.
  • FIG. 4 shows a 6 kilovolt 200 amp direct current power supply circuit.
  • FIG. 5 shows a pulsed and continuous wave combination discharge circuit.
  • FIG. 6 shows a typical plasma discharge monitored on the central rod using the combination supply from FIG. 5.
  • DETAILED DESCRIPTION OF THE INVENTION
  • Typical designs of pulse supplies and CW supplies used to produce pre-ionization and sustained rotation of the plasma are illustrated in FIG. 2-4.
  • Multiple pulse supplies are triggered sequentially to produce a sequence of pulses for sustaining a high rotation rate. The timing of the pulses is such that before the conductivity of the plasma decays to a low value the next pulse is turned on to impart another radial current for rotation.
  • After the initial breakdown to create the plasma current the voltage required to maintain the flow is lowered such as shown in FIG. 6, thereby lowering the power requirement. In this scheme only a low % ionization (10−5) is required. The recombination rate between ions and electrons is minimum because of ions and electrons are surrounded by neutrals. The power to maintain such low % ionization is many times less than what is needed to maintain a fully ionized medium.
  • The rotations of neutrals and ions are diagnosed using a camera with fast shutter speeds up to 100,000/s. By following a given inhomogeneity the rotation rate can be estimated. Another method is to use “laser tagging”. A laser is tuned to a given wavelength which matches either an ion line or a neutral line. The resonant scattering at a different wavelength is monitored in space and time using the fast camera with a filter. Alternately a spectrometer and a fiber tuned to a given wavelength can also be used.
  • Each element has both rotating and stationary distributions such that the rotating boron species collides with the stationary hydrogen species and vice versa. The stationary component of B11 is provided at the inner and outer electrodes, while the rotating component B11 is provided by J×B force. A continuous stream of hydrogen is fed from a pressure tank to produce background pressures of 1-10 Torr. The repeated interactions between these rotating boron and stationary hydrogen and rotating hydrogen and stationary boron give rise to a high rate of fusion as represented in the following equation:

  • dW/dt=n p n b σvY rate of fusion/cm3 sec
  • where np, nb are the densities of protons and borons respectively;
    σ is the fusion cross section at a particular energy E
    v is the relative velocity between proton and boron,
    Y is the energy yield per fusion reaction=8.7 MeV
  • It should be noted that np represents both hydrogen ions and neutrals because for fusion reactions either neutrals or ions can participate in fusion.
  • The fusion break-even condition is given by the fusion output being greater than the energy input per unit volume:

  • dW/dt>V in I in /V where
  • Vin=Voltage applied between two concentric electrodes
    Iin=Radial current due to the applied voltage Vin
    V=Volume of rotating region where neutrals and ions are being driven by J×B force; energy input comes from the DC voltage and current applied between the two electrodes.
  • The operating magnetic field is usually between 0.5-3 T. Initial ionization by electrons along the axial magnetic field might be used to provide electrons and ions for pre-ionization. The plasma impedance between the two concentric cylinders is lowered such that a radial current flows between the concentric cylinders. This radial discharge current across the magnetic field takes place primarily via ion transport across the strong magnetic field because ions have much larger orbit than electrons. The force J×B causes ions to rotate in the azimuthal direction. At high densities frequent collisions between ions and neutrals make them rotate together. In our laboratory plasma a 0.1 ohm resistance and a radial current of 10 KA were observed for a voltage of 1 KV. This current gives rise to a force of 10,000 newtons in a field of 2 T and a radius of 50 cm. Under this strong driving force Boron ions and neutrals can attain an energy of 100 KeV in 10 ms. This range of energy allows fusion to take place.
  • Boron atoms rotating at 3×105 revolutions/s at a radius of 50 cm will reach the energy of 100 KeV. Hydrogen-Boron fusion reaction can occur when high-pressure hydrogen gas is puffed in towards the rotating annular region of Boron. The high densities (1018/cm3) of neutral boron and hydrogen atoms help sustain a significant fusion yield even though the cross section is only 3×10−28 cm2.
  • In the rotating region where all the particles rotate at the same rate, assuming a solid body rotation there will be relative low velocity among elements for fusion. However the relative velocities between rotating Boron and ambient hydrogen atoms in the region surrounding the rotating region there will be high enough relative velocities for fusion to take place.
  • If we take np, nb=1018/cm3 and σ=3×10−28 cm2 (assumed 100 KeV of energy for Boron) and relative speed between hydrogen and boron v=108 cm/s
  • we have dW/dt=3×1016/s cm3×8.7 MeV=5×103 J/s cm3
  • Our proof-of-principle experiment lasts for 1 ms in a volume of 3×103 cm3 the power released is estimated to be 15 KJ.
  • The energy input is 2.5 KV and 4000 A or 10 MW for 0.1 ms which is equal to 1 KJ.
  • Therefore the net gain of energy is 15 times the input energy.
  • If we can accelerate borons to 200 KeV the cross section is increased to 1.5×10−26 cm2 or 30 fold increase in cross section. If the energy input is doubled then the energy multiplication is estimated to be approximately 200.
  • Number of He Nuclei to be Detected.
  • The number of total reactions in 1 ms in a volume of 3×103 cm3 is equal to 9×1016. The product of reactions in He nuclei is 2.7×1017.
  • The density of He particles is 0.9×1014/cm3 or 10−3 Ton/ms pulse. This density of He is detectable by a quadrupole mass spectrometer of RGA (residual gas analyzer). The population of He particles is increased with the number of pulses, when the volume is not pumped.
  • A method of estimating the maximum velocity of rotation of neutrals gained during the acceleration by J×B force or 1 L B where I is the radial current, L is the length of the current and B is the field perpendicular to I is as follows:
  • For our current pulsed experiments where helium is to be observed optically the following parameters are used: I=104 A, L=0.5 m, B=3 T F=1.5×104 N
  • Acceleration is F/m=0.5×109 m/s2, where m is the mass of borons and hydrogen at density of 1018/cm3 and is equal to 3.3×10−5 kg.
  • For 2 ms of acceleration v=½a t=106 m/s. This justifies the assumption of v=108 cm/s assumed above in our calculation of fusion events. This velocity corresponds to Boron energy of 100 KeV.
  • For hydrogen-boron fusion the cross sections “sigma” are:
  • At 200 KeV sigma is 1.6×10−2 Barn
  • At 100 KeV sigma is 3×10−4 Barn
  • At 50 KeV sigma is 10−6 Barn
  • 1 barn is 10−24 cm2.
  • For DD reactions the fusion cross section is:
  • At 50 KeV sigma is 104 barns
  • For DT reactions the fusion cross section is
  • At 10 KeV sigma is 105 barns

Claims (13)

1. A rotating fusion device comprising:
(i) a superconducting magnet capable of generating an axial magnetic field;
(ii) a cylindrical chamber located in said magnetic field;
(iii) a discharge rod located in said cylindrical chamber;
(iv) an electrical power supply providing DC and pulsed operation to said discharge rod to develop an electric field perpendicular to said magnetic field;
(v) a cooling system capable of conducting heat from said cylindrical chamber;
(vi) a supply of hydrogen gas into said cylindrical chamber; and
(vii) a Boron target in said cylindrical chamber, wherein a plasma of ions and neutrals created by said hydrogen gas and Boron target is caused to rotate within said cylindrical chamber by said electric and magnetic fields at acceleration levels sufficient to cause fusion between particles in said plasma.
2. The device of claim 1 wherein the ions and neutrals are driven by a magnetic force J×B to rotate together in the azimuthal direction in a cylindrical geometry in said cylindrical chamber.
3. The device of claim 1 wherein said Boron target comprises the element Boron having a dominant isotope of B11.
4. The device of claim 3, wherein plasma particles undergo the following fusion reaction as a result of repeated collisions between rotating B11 and hydrogen neutrals or protons:
p+B11→3 He4+8.7 MeV energy.
5. The device of claim 4, wherein a rate of reaction depends on the energy of B11 and hydrogen.
6. The device at claim 4, wherein the device is operated at high neutral densities of hydrogen and boron as a result of instabilities due to space charges not being present.
7. The device of claim 1, further comprising two concentric electrodes to which a high voltage is applied either in pulses or steady state or a combination of both pulses and steady voltages, with a resultant radial current flowing between these concentric electrodes.
8. The device of claim 7, wherein said radial current produces a strong torque to push ions in the azimuthal direction, causing collisions with neutrals and co-rotation of said neutrals with said ions.
9. The device of claim 7, wherein said power supply produces a continuous chain of pulses, such that the radial current is sustained so as to produce a continuous driving force to rotate ion and neutrals.
10. The device of claim 4, wherein the hydrogen gas is injected into the cylindrical chamber to interact with the rotating B11 atoms in order to increase the relative energy between the colliding particles.
11. The device of claim 4, wherein a combination of pulses and CW voltages are used to maximize the efficiency between rotating energy and the input electrical energy; pulses are used to sustain the number of ions in the system and CW voltages are used to maintain the rotation.
12. The device of claim 4, wherein products of fusion are energetic alpha particles (He4), which are used for direct conversion to electrical energy; and the slowing down of these alphas yields a charging current in a power supply.
13. The device of claim 1, wherein radiation loss due to electron bremstrahlung or electron cyclotron radiation is negligible due to electrons in said chamber being collisional as a result of high neutral densities such that said electrons are not accelerated by RF sources and/or high frequency radiation.
US12/850,633 2009-05-19 2010-08-05 Rotating High Density Fusion Reactor for aneutronic and neutronic fusion Abandoned US20110188623A1 (en)

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US17962509P true 2009-05-19 2009-05-19
US12/783,550 US8298318B2 (en) 2009-05-19 2010-05-19 Integrated spin systems for the separation and recovery of isotopes
US12/850,633 US20110188623A1 (en) 2009-05-19 2010-08-05 Rotating High Density Fusion Reactor for aneutronic and neutronic fusion

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Application Number Priority Date Filing Date Title
US12/850,633 US20110188623A1 (en) 2009-05-19 2010-08-05 Rotating High Density Fusion Reactor for aneutronic and neutronic fusion
US13/952,826 US9224505B2 (en) 2009-05-19 2013-07-29 Rotating high density fusion reactor for aneutronic and neutronic fusion
US14/205,339 US9245654B2 (en) 2009-05-19 2014-03-11 Rotating high-density fusion reactor for aneutronic and neutronic fusion
US14/592,676 US9937479B2 (en) 2009-05-19 2015-01-08 Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor
US15/006,669 US10255998B2 (en) 2009-05-19 2016-01-26 Rotating high-density fusion reactor for aneutronic and neutronic fusion
US15/589,902 US10319480B2 (en) 2010-08-05 2017-05-08 Fusion reactor using azimuthally accelerated plasma
US15/589,913 US10269458B2 (en) 2010-08-05 2017-05-08 Reactor using electrical and magnetic fields
US15/974,592 US20180330829A1 (en) 2010-08-05 2018-05-08 Electron emitter for reactor
US16/261,372 US20190206578A1 (en) 2009-05-19 2019-01-29 Reactor using electrical and magnetic fields
US16/379,005 US20200075178A1 (en) 2009-05-19 2019-04-09 Rotating High-Density Fusion Reactor For Aneutronic and Neutronic Fusion

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US15/589,913 Continuation-In-Part US10269458B2 (en) 2009-05-19 2017-05-08 Reactor using electrical and magnetic fields

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US14/205,339 Continuation-In-Part US9245654B2 (en) 2009-05-19 2014-03-11 Rotating high-density fusion reactor for aneutronic and neutronic fusion
US14/592,676 Continuation-In-Part US9937479B2 (en) 2009-05-19 2015-01-08 Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130047783A1 (en) * 2009-05-19 2013-02-28 Alfred Y. Wong Integrated Spin Systems for the Separation and Recovery of Gold, Precious Metals, Rare Earths and Purification of Water
WO2014204531A3 (en) * 2013-03-11 2015-03-12 Wong Alfred Y Rotating high density fusion reactor for aneutronic and neutronic fusion
US20150117583A1 (en) * 2013-10-31 2015-04-30 Robert Alan Pitsch Nuclear Fusion Reactor with Power Extraction
EP3045514A1 (en) * 2015-01-08 2016-07-20 Alfred Y. Wong Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor
EP3014627A4 (en) * 2013-06-27 2017-02-22 Nonlinear Ion Dynamics, LLC Methods, devices and systems for fusion reactions
US9937479B2 (en) 2009-05-19 2018-04-10 Alfred Y. Wong Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor
US20180322963A1 (en) * 2013-06-27 2018-11-08 Alpha Ring International, Ltd. Helium generator
US20180330830A1 (en) * 2017-05-08 2018-11-15 Alpha Ring International, Ltd. Hybrid reactor using electrical and magnetic fields
US10269458B2 (en) 2010-08-05 2019-04-23 Alpha Ring International, Ltd. Reactor using electrical and magnetic fields
US10274225B2 (en) 2017-05-08 2019-04-30 Alpha Ring International, Ltd. Water heater
US10319480B2 (en) 2010-08-05 2019-06-11 Alpha Ring International, Ltd. Fusion reactor using azimuthally accelerated plasma
US10453575B1 (en) 2014-06-17 2019-10-22 Alfred Y. Wong Submicron fusion devices, methods and systems
US10515726B2 (en) 2013-03-11 2019-12-24 Alpha Ring International, Ltd. Reducing the coulombic barrier to interacting reactants

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CN104217771B (en) * 2014-07-10 2016-08-24 西南交通大学 A kind of burst rod drive mechanism

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9937479B2 (en) 2009-05-19 2018-04-10 Alfred Y. Wong Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor
US8784666B2 (en) * 2009-05-19 2014-07-22 Alfred Y. Wong Integrated spin systems for the separation and recovery of gold, precious metals, rare earths and purification of water
US20130047783A1 (en) * 2009-05-19 2013-02-28 Alfred Y. Wong Integrated Spin Systems for the Separation and Recovery of Gold, Precious Metals, Rare Earths and Purification of Water
US10319480B2 (en) 2010-08-05 2019-06-11 Alpha Ring International, Ltd. Fusion reactor using azimuthally accelerated plasma
US10269458B2 (en) 2010-08-05 2019-04-23 Alpha Ring International, Ltd. Reactor using electrical and magnetic fields
WO2014204531A3 (en) * 2013-03-11 2015-03-12 Wong Alfred Y Rotating high density fusion reactor for aneutronic and neutronic fusion
CN105027222A (en) * 2013-03-11 2015-11-04 黄耀辉 Rotating high density fusion reactor for aneutronic and neutronic fusion
US10515726B2 (en) 2013-03-11 2019-12-24 Alpha Ring International, Ltd. Reducing the coulombic barrier to interacting reactants
EP3014627A4 (en) * 2013-06-27 2017-02-22 Nonlinear Ion Dynamics, LLC Methods, devices and systems for fusion reactions
US20180322963A1 (en) * 2013-06-27 2018-11-08 Alpha Ring International, Ltd. Helium generator
EP3534375A1 (en) * 2013-06-27 2019-09-04 Nonlinear Ion Dynamics, LLC Methods, devices and systems for fusion reactions
US20150117583A1 (en) * 2013-10-31 2015-04-30 Robert Alan Pitsch Nuclear Fusion Reactor with Power Extraction
US10453575B1 (en) 2014-06-17 2019-10-22 Alfred Y. Wong Submicron fusion devices, methods and systems
EP3045514A1 (en) * 2015-01-08 2016-07-20 Alfred Y. Wong Conversion of natural gas to liquid form using a rotation/separation system in a chemical reactor
US10274225B2 (en) 2017-05-08 2019-04-30 Alpha Ring International, Ltd. Water heater
US20180330830A1 (en) * 2017-05-08 2018-11-15 Alpha Ring International, Ltd. Hybrid reactor using electrical and magnetic fields

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