CN103187105A - Turbulent momentum transport probe array - Google Patents
Turbulent momentum transport probe array Download PDFInfo
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- CN103187105A CN103187105A CN2011104466863A CN201110446686A CN103187105A CN 103187105 A CN103187105 A CN 103187105A CN 2011104466863 A CN2011104466863 A CN 2011104466863A CN 201110446686 A CN201110446686 A CN 201110446686A CN 103187105 A CN103187105 A CN 103187105A
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- pyrolytic graphite
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- probe array
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- turbulent flow
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- 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
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Abstract
The invention belongs to the technical field of nuclear fusion, and particularly relates to a turbulent momentum transport probe array. A rectangular groove at the lower part of a pyrolytic graphite protecting sleeve A is connected with a connecting plate to form a rectangular cavity; a step-shaped cavity fixed connecting piece is arranged at the center of the lower side of the connecting plate; a two-way four-step symmetrical structure is arranged at the upper part of the pyrolytic graphite protecting sleeve A; the middle of the symmetrical structure is high and the two sides of the symmetrical structure are reduced gradually; twenty-one pyrolytic graphite probes are divided into seven rows equally and distributed on steps in parallel; the lower end of each pyrolytic graphite probe is connected with a lead copper tube; the lower ends of the lead copper tubes are collected together by cable leads; the collected cable leads penetrate through a center hole of the connecting plate, and enter the interior of the fixed connecting piece; the lower ends of the cable leads are connected with movable plugs; and insulation sleeves are arranged in the rectangular cavity formed by the pyrolytic graphite protecting sleeve A and the connecting plate, and arranged among the lead copper tubes. With the adoption of the probe array, a macroparameter of plasma of an HL-2A tokamak device can be measured in a discharging process.
Description
Technical field
The invention belongs to the nuclear fusion technical field, be specifically related to a kind of turbulent flow momentum and transport probe array.
Background technology
The particle that the plasma microturbulence causes and the anomalous transport of energy are that the mankind seek one of main difficulty that runs on the magnetic confinement fusion energy road, and therefore, the anomalous transport problem is the focus in the fusion research always.According to the restraint performance of Tokamak Plasma as can be known, the character of edge plasma plays crucial effects to the restraint performance of whole plasma, and the particle of fringe region and energy transport process are mainly caused by the static fluctuation.Therefore, character and the physical mechanism of understanding edge plasma static fluctuation has great significance to improving the whole restraint performance of plasma.Yet, still do not have at present effective means that character and physical mechanism that the non-linear energy transport of edge plasma and turbulent flow momentum transport are studied.
Summary of the invention
The object of the present invention is to provide a kind of turbulent flow momentum to transport probe array, can be in discharge the bulk parameter of the plasma of HL-2A tokamak device be measured by this probe array, and then the non-linear energy transport of plasma at research HL-2A tokamak device edge and the turbulent flow momentum transports and the characteristic of anomalous transport.
For achieving the above object, the technical solution used in the present invention is:
A kind of turbulent flow momentum transports probe array, and this device comprises 21 pyrolytic graphite probes, insulation sleeve, pyrolytic graphite protective sleeve A, 21 lead-in wire copper pipes, fixed connecting piece, cable tail, movable plug and web joints; The bottom of described pyrolytic graphite protective sleeve A is rectangular parallelepiped, and the rectangular parallelepiped bottom has rectangular channel, and lower end and the web joint of rectangular channel are connected to form rectangular enclosure; The top of pyrolytic graphite protective sleeve A is the two-way 4 step symmetrical structures that middle high both sides reduce gradually, two step integrators in the middle of being positioned at, 21 pyrolytic graphite probes are divided into 7 rows, 3 of every rows, 7 row's probe parallel arrangements are on the steps at different levels on centre and both sides, and the lower end of 21 pyrolytic graphite probes all is arranged on the same surface level of rectangular enclosure; The lower end of every pyrolytic graphite probe all is connected with the upper end of a lead-in wire copper pipe, and the lower end of every lead-in wire copper pipe pools together by cable tail; The center of web joint has center pit, is provided with up-narrow and down-wide centrosymmetric stepped cavity fixed connecting piece in the downside center of web joint, and the fixed connecting piece upper end communicates with the center pit of web joint; The cable tail that pools together passes the center pit of web joint, enters fixed connecting piece inside, and the lower end of the cable tail that pools together is connected with movable plug; In the rectangular enclosure of pyrolytic graphite protective sleeve A and web joint formation, and be provided with insulation sleeve between each lead-in wire copper pipe, the lower end of every pyrolytic graphite probe all is arranged in insulation sleeve, and the lower end of every lead-in wire copper pipe all is positioned at the outside of insulation sleeve.
Between the ladder of described fixed connecting piece and web joint, be symmetrically arranged with pyrolytic graphite protective sleeve B.
The spacing of adjacent pyrolytic graphite probe is 5mm on described each step of pyrolytic graphite protective sleeve A.
The spacing of the row of one on the adjacent step of described pyrolytic graphite protective sleeve A probe is 5mm.
The radial spacing of the adjacent step of described pyrolytic graphite protective sleeve A is 2.5mm.
The material of described insulation sleeve is boron nitride.
The material of described fixed connecting piece is stainless steel.
The material of described web joint is stainless steel.
The obtained beneficial effect of the present invention is:
Transport probe array by turbulent flow momentum of the present invention and can in discharge, carry out long-range radially to the HL-2A tokamak device, the utmost point is to the measurement of relevant plasma bulk parameter with hoop, these parameters comprise the non-linear energy transport in edge, the turbulent flow momentum transports, flux, Reynolds association is strong to distribute, turbulent flow modulation energy, momentum and PARTICLE TRANSPORT FROM, and the formation of shear flow, these parameter utilization spectrum correlation analysis methods are analyzed, can obtain the plasma static fluctuation at HL-2A tokamak device edge and the characteristic of anomalous transport thereof, so as research from scrape absciss layer to the magnetic interphase and the magnetic interphase with various information and the transport mechanism of interior plasma.
(1) turbulent flow momentum of the present invention transports probe array and adopts pyrolytic graphite (PG) material to make, adopted the pyrolytic graphite protective sleeve structure of full-shield formula simultaneously, because of pyrolyzing graphite material purity height, sputter is little, transmissibility factor is high, long service life, the pollution of article on plasma body is little, has therefore guaranteed the edge plasma parameter distribution data of measurement accurately and reliably;
(2) to transport probe array be two-way 4 steps, 21 pin probe arrays to turbulent flow momentum of the present invention, can record the bulk parameter of edge plasma comprehensively, the probe that can make two-way 4 steps at the utmost point to being on the same magnetic surface with two groups of probes of the same step of hoop, for the measurement of correlation of large scale provides guarantee;
(3) turbulent flow momentum of the present invention transports probe array and adopts inserter structure, can change at any time in the interim of discharge, namely when probe damages, probe assembly can be moved to pipeline outside the main plasma in the interim of discharging, close the isolation push-pull valve, change probe assembly.
In sum, turbulent flow momentum of the present invention transports probe array and have considerable effect in research edge plasma physical property, for the anomalous transport mechanism research of fusionplasma provides experimental basis, for international thermonuclear reactor (ITER) experiment provides data information and operating experience.
Description of drawings
Fig. 1 transports the probe array cut-open view for turbulent flow momentum of the present invention;
Fig. 2 transports the probe array outside drawing for turbulent flow momentum of the present invention;
Among the figure: 1, pyrolytic graphite probe; 2, insulation sleeve; 3, pyrolytic graphite protective sleeve A; 4, lead-in wire copper pipe; 5, pyrolytic graphite protective sleeve B; 6, fixed connecting piece; 7, cable tail; 8, movable plug; 9, web joint.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, turbulent flow momentum of the present invention transports probe array and comprises 21 pyrolytic graphite probes 1, insulation sleeve 2, pyrolytic graphite protective sleeve A3,21 lead-in wire copper pipes 4, pyrolytic graphite protective sleeve B5, fixed connecting piece 6, cable tail 7, movable plug 8 and web joints 9; The bottom of described pyrolytic graphite protective sleeve A3 is rectangular parallelepiped, and the rectangular parallelepiped bottom has rectangular channel, and the lower end of rectangular channel and web joint 9 are connected to form rectangular enclosure; The top of pyrolytic graphite protective sleeve A3 is the two-way 4 step symmetrical structures that middle high both sides reduce gradually, two step integrators in the middle of being positioned at, 21 pyrolytic graphite probes 1 are divided into 7 rows, 3 of every rows, 7 row's probe parallel arrangements are on the steps at different levels on centre and both sides, and the lower end of 21 pyrolytic graphite probes 1 all is arranged on the same surface level of rectangular enclosure; The lower end of every pyrolytic graphite probe 1 all is connected with the upper end of a lead-in wire copper pipe 4, and the lower end of every lead-in wire copper pipe 4 pools together by cable tail 7; The center of web joint 9 has center pit, be provided with up-narrow and down-wide centrosymmetric stepped cavity fixed connecting piece 6 in the downside center of web joint 9, and fixed connecting piece 6 upper ends communicates with the center pit of web joint 9; Between the ladder of fixed connecting piece 6 and web joint 9, be symmetrically arranged with pyrolytic graphite protective sleeve B5; The cable tail 7 that pools together passes the center pit of web joint 9, enters fixed connecting piece 6 inside, and the lower end of the cable tail 7 that pools together is connected with movable plug 8; In the rectangular enclosure of pyrolytic graphite protective sleeve A3 and web joint 9 formation, and be provided with insulation sleeve 2 between each lead-in wire copper pipe 4, the lower end of every pyrolytic graphite probe 1 all is arranged in insulation sleeve 2, and the lower end of every lead-in wire copper pipe 4 all is positioned at the outside of insulation sleeve 2.
The radial spacing of the adjacent step of described pyrolytic graphite protective sleeve A3 is 2.5mm, and the spacing of adjacent pyrolytic graphite probe 1 is 5mm on each step; The spacing of the row of one on adjacent step probe is 5mm; The material of described insulation sleeve 2 is boron nitride; The material of described fixed connecting piece 6 is stainless steel; The material of described web joint 9 is stainless steel.
During use, the movable plug 8 of this probe array is inserted on the transmission pole of HL-2A tokamak device; At HL-2A tokamak device interdischarge interval, this probe array scans fast in HL-2A tokamak device edge plasma, give acquisition system with the plasma bulk parameter that scanning obtains by cable transmission, acquisition system shows the bulk parameter of gathering, these parameter utilizations spectrum correlation analysis methods are analyzed, can be obtained the non-linear energy transport of plasma at HL-2A tokamak device edge and the turbulent flow momentum transports and the characteristic of anomalous transport.
Claims (8)
1. a turbulent flow momentum transports probe array, it is characterized in that: this device comprises 21 pyrolytic graphite probes (1), insulation sleeve (2), pyrolytic graphite protective sleeve A (3), 21 lead-in wire copper pipes (4), fixed connecting piece (6), cable tail (7), movable plug (8) and web joint (9); The bottom of described pyrolytic graphite protective sleeve A (3) is rectangular parallelepiped, and the rectangular parallelepiped bottom has rectangular channel, and the lower end of rectangular channel and web joint (9) are connected to form rectangular enclosure; The top of pyrolytic graphite protective sleeve A (3) is the two-way 4 step symmetrical structures that middle high both sides reduce gradually, two step integrators in the middle of being positioned at, 21 pyrolytic graphite probes (1) are divided into 7 rows, 3 of every rows, 7 row's probe parallel arrangements are on the steps at different levels on centre and both sides, and the lower end of 21 pyrolytic graphite probes (1) all is arranged on the same surface level of rectangular enclosure; The lower end of every pyrolytic graphite probe (1) all is connected with the upper end of a lead-in wire copper pipe (4), and the lower end of every lead-in wire copper pipe (4) pools together by cable tail (7); The center of web joint (9) has center pit, is provided with up-narrow and down-wide centrosymmetric stepped cavity fixed connecting piece (6) in the downside center of web joint (9), and fixed connecting piece (6) upper end communicates with the center pit of web joint (9); The cable tail that pools together (7) passes the center pit of web joint (9), enter fixed connecting piece (6) inside, and the lower end of the cable tail that pools together (7) is connected with movable plug (8); In the rectangular enclosure of pyrolytic graphite protective sleeve A (3) and web joint (9) formation; and between each lead-in wire copper pipe (4), be provided with insulation sleeve (2); the lower end of every pyrolytic graphite probe (1) all is arranged in insulation sleeve (2), and the lower end of every lead-in wire copper pipe (4) all is positioned at the outside of insulation sleeve (2).
2. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: be symmetrically arranged with pyrolytic graphite protective sleeve B (5) between the ladder of described fixed connecting piece (6) and web joint (9).
3. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the spacing of adjacent pyrolytic graphite probe (1) is 5mm on each step of described pyrolytic graphite protective sleeve A (3).
4. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the spacing of the row of one on the adjacent step of described pyrolytic graphite protective sleeve A (3) probe is 5mm.
5. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the radial spacing of the adjacent step of described pyrolytic graphite protective sleeve A (3) is 2.5mm.
6. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the material of described insulation sleeve (2) is boron nitride.
7. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the material of described fixed connecting piece (6) is stainless steel.
8. turbulent flow momentum according to claim 1 transports probe array, it is characterized in that: the material of described web joint (9) is stainless steel.
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| CN201110446686.3A CN103187105B (en) | 2011-12-28 | 2011-12-28 | Turbulent momentum transport probe array |
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| CN201110446686.3A CN103187105B (en) | 2011-12-28 | 2011-12-28 | Turbulent momentum transport probe array |
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| CN103187105B CN103187105B (en) | 2016-06-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040415A (en) * | 2017-12-21 | 2018-05-15 | 中国科学院合肥物质科学研究院 | Suitable for the integrated modular probe system of tungsten copper target plate |
| CN111403056A (en) * | 2020-03-31 | 2020-07-10 | 中国科学院合肥物质科学研究院 | Fast electronic measurement probe system suitable for magnetic confinement plasma |
| CN111540480A (en) * | 2020-05-12 | 2020-08-14 | 中国科学院合肥物质科学研究院 | Extremely fast electronic measurement probe system suitable for magnetic confinement plasma |
| CN111987484A (en) * | 2020-08-19 | 2020-11-24 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Array type electrode needle voltage-sharing electrode and preparation method thereof |
| CN113066591A (en) * | 2021-03-26 | 2021-07-02 | 核工业西南物理研究院 | Electrostatic probe array for measuring plasma polar velocity and turbulent flow transportation |
| CN113066590A (en) * | 2021-03-17 | 2021-07-02 | 核工业西南物理研究院 | Three-step composite Mach probe for plasma diagnosis |
| CN113438788A (en) * | 2021-07-07 | 2021-09-24 | 核工业西南物理研究院 | Multi-step electrostatic probe |
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| CN101188146A (en) * | 2006-11-15 | 2008-05-28 | 核工业西南物理研究院 | 3D belt flow probe system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040415A (en) * | 2017-12-21 | 2018-05-15 | 中国科学院合肥物质科学研究院 | Suitable for the integrated modular probe system of tungsten copper target plate |
| CN111403056A (en) * | 2020-03-31 | 2020-07-10 | 中国科学院合肥物质科学研究院 | Fast electronic measurement probe system suitable for magnetic confinement plasma |
| CN111540480A (en) * | 2020-05-12 | 2020-08-14 | 中国科学院合肥物质科学研究院 | Extremely fast electronic measurement probe system suitable for magnetic confinement plasma |
| CN111987484A (en) * | 2020-08-19 | 2020-11-24 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Array type electrode needle voltage-sharing electrode and preparation method thereof |
| CN113066590A (en) * | 2021-03-17 | 2021-07-02 | 核工业西南物理研究院 | Three-step composite Mach probe for plasma diagnosis |
| CN113066590B (en) * | 2021-03-17 | 2022-06-10 | 核工业西南物理研究院 | Three-step composite Mach probe for plasma diagnosis |
| CN113066591A (en) * | 2021-03-26 | 2021-07-02 | 核工业西南物理研究院 | Electrostatic probe array for measuring plasma polar velocity and turbulent flow transportation |
| CN113438788A (en) * | 2021-07-07 | 2021-09-24 | 核工业西南物理研究院 | Multi-step electrostatic probe |
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