GB935355A - High-gradient magnetic cusp geometry - Google Patents
High-gradient magnetic cusp geometryInfo
- Publication number
- GB935355A GB935355A GB12201/62A GB1220162A GB935355A GB 935355 A GB935355 A GB 935355A GB 12201/62 A GB12201/62 A GB 12201/62A GB 1220162 A GB1220162 A GB 1220162A GB 935355 A GB935355 A GB 935355A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coils
- field
- region
- cusps
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/02—Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma
- H05H1/10—Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma using externally-applied magnetic fields only, e.g. Q-machines, Yin-Yang, base-ball
- H05H1/11—Arrangements for confining plasma by electric or magnetic fields; Arrangements for heating plasma using externally-applied magnetic fields only, e.g. Q-machines, Yin-Yang, base-ball using cusp configuration
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/10—Nuclear fusion reactors
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Particle Accelerators (AREA)
- Plasma Technology (AREA)
Abstract
935,355. Thermonuclear apparatus; discharge apparatus. UNITED STATES ATOMIC ENERGY COMMISSION. March 29, 1962 [June 23, 1961], No. 12201/62. Classes 39 (1) and 39 (4). Magnetic confinement apparatus comprises a first pair of concentric inner and outer magnetic mirror coils, a second pair of concentric inner and outer magnetic mirror coils spaced apart and in alignment with the first pair of coils, the coils being enclosed within an evacuated enclosure, means for energizing each of the outer coils to provide a field reinforcing the other, and means for energizing the inner coils to provide a field directed opposite to that of the outer coils, the combined effects of the fields producing a resultant magnetic field with at least one low field region in the centre of the space between the pairs of coils, the low field region being bounded by line cusps and point cusps. In Fig. 1 the two pairs of coils 1, 2 and 3, 4 energized as described above produce the magnetic field shown, with a central region 5 of low field bounded by convex lines of force which meet in two joint cusps on the axis of the coils and four line cusps following approximately 45 degrees lines from the axis. Plasma may be injected into this central region along the 45 degrees lines by two similar plasma guns 35 and 36, Fig. 2, which may be as described in Specification 916,854. In a modification, Fig. 5 (not shown), the central region is surrounded by a resonant cavity having perforated walls to which radio-frequency energy is supplied through a waveguide; the frequency is that of the electron cyclotron frequency in the region so that electrons are heated. In the arrangement shown in Fig. 1, the inner coils are energized with about three times as much current as the outer coils. If the current in the inner coils is increased the low field region becomes toroidal, Fig. 3 (not shown); if the current in the outer coils is increased two regions of the field, spaced apart along the axis, are formed, Fig. 4 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US119247A US3230418A (en) | 1961-06-23 | 1961-06-23 | Device having high-gradient magnetic cusp geometry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB935355A true GB935355A (en) | 1963-08-28 |
Family
ID=22383355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12201/62A Expired GB935355A (en) | 1961-06-23 | 1962-03-29 | High-gradient magnetic cusp geometry |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3230418A (en) |
| DE (1) | DE1237703B (en) |
| FR (1) | FR1328555A (en) |
| GB (1) | GB935355A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3369140A (en) * | 1963-10-01 | 1968-02-13 | Atomic Energy Commission Usa | Annular confinement of high temperature plasmas |
| US3452249A (en) * | 1965-05-21 | 1969-06-24 | Electro Optical Systems Inc | Method and apparatus for containing a plasma produced by opposed electrodes |
| US4068147A (en) * | 1975-11-06 | 1978-01-10 | Wells Daniel R | Method and apparatus for heating and compressing plasma |
| US4727293A (en) * | 1984-08-16 | 1988-02-23 | Board Of Trustees Operating Michigan State University | Plasma generating apparatus using magnets and method |
| JPH0740468B2 (en) * | 1984-12-11 | 1995-05-01 | 株式会社日立製作所 | High frequency plasma generator |
| JPS6276137A (en) * | 1985-09-30 | 1987-04-08 | Hitachi Ltd | Ion source |
| US4826646A (en) * | 1985-10-29 | 1989-05-02 | Energy/Matter Conversion Corporation, Inc. | Method and apparatus for controlling charged particles |
| US9959942B2 (en) * | 2013-04-03 | 2018-05-01 | Lockheed Martin Corporation | Encapsulating magnetic fields for plasma confinement |
| US9934876B2 (en) | 2013-04-03 | 2018-04-03 | Lockheed Martin Corporation | Magnetic field plasma confinement for compact fusion power |
| US9928926B2 (en) | 2013-04-03 | 2018-03-27 | Lockheed Martin Corporation | Active cooling of structures immersed in plasma |
| US10049773B2 (en) * | 2013-04-03 | 2018-08-14 | Lockheed Martin Corporation | Heating plasma for fusion power using neutral beam injection |
| US9941024B2 (en) * | 2013-04-03 | 2018-04-10 | Lockheed Martin Corporation | Heating plasma for fusion power using electromagnetic waves |
| US9959941B2 (en) | 2013-04-03 | 2018-05-01 | Lockheed Martin Corporation | System for supporting structures immersed in plasma |
| US9462669B2 (en) * | 2013-10-03 | 2016-10-04 | Daniel Prater | Plasma confinement device |
| US9155178B1 (en) * | 2014-06-27 | 2015-10-06 | Plex Llc | Extreme ultraviolet source with magnetic cusp plasma control |
| US9544986B2 (en) | 2014-06-27 | 2017-01-10 | Plex Llc | Extreme ultraviolet source with magnetic cusp plasma control |
| US10582604B2 (en) | 2016-08-26 | 2020-03-03 | Daniel Prater | Device and method for the heating and confinement of plasma |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3170841A (en) * | 1954-07-14 | 1965-02-23 | Richard F Post | Pyrotron thermonuclear reactor and process |
| GB865082A (en) * | 1958-04-22 | 1961-04-12 | Atomic Energy Commission | Thermonuclear injection process and injector |
| FR1224262A (en) * | 1959-02-06 | 1960-06-23 | Csf | Improvements to magnetic mirror devices for high temperature plasma production |
| US3038099A (en) * | 1960-08-26 | 1962-06-05 | William R Baker | Cusp-pinch device |
| US3069344A (en) * | 1961-08-09 | 1962-12-18 | Richard F Post | Apparatus for the densification and energization of charged particles |
-
1961
- 1961-06-23 US US119247A patent/US3230418A/en not_active Expired - Lifetime
-
1962
- 1962-03-29 GB GB12201/62A patent/GB935355A/en not_active Expired
- 1962-05-07 FR FR896686A patent/FR1328555A/en not_active Expired
- 1962-06-14 DE DEU9045A patent/DE1237703B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1237703B (en) | 1967-03-30 |
| US3230418A (en) | 1966-01-18 |
| FR1328555A (en) | 1963-05-31 |
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