CN103187105B - Turbulent momentum transport probe array - Google Patents
Turbulent momentum transport probe array Download PDFInfo
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- CN103187105B CN103187105B CN201110446686.3A CN201110446686A CN103187105B CN 103187105 B CN103187105 B CN 103187105B CN 201110446686 A CN201110446686 A CN 201110446686A CN 103187105 B CN103187105 B CN 103187105B
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- pyrolytic graphite
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- lead
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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 technical field of nuclear fusion, be specifically related to a kind of turbulent momentum transport probe array. Wherein the rectangular channel of pyrolytic graphite protection set A bottom is connected formation rectangular enclosure with connecting plate; The center, downside of connecting plate is provided with the fixing connector of stepped cavity; The top of pyrolytic graphite protection set A is the two-way 4 step symmetrical structures that middle high both sides are gradually lowered, and 21 pyrolytic graphite probes are divided into 7 row's parallel arrangements on steps at different levels; Every pyrolytic graphite probe lower end is all connected with a lead-in wire copper pipe, and every lead-in wire copper pipe lower end is pooled together by cable tail; The cable tail pooled together, through the centre bore of connecting plate, enters inside fixing connector, and the lower end of cable tail is connected to movable plug; In the rectangular enclosure that pyrolytic graphite protection set A and connecting plate are formed, and it is provided with insulation sleeve between each lead-in wire copper pipe. In electric discharge, the macroparameter of the plasma of HL-2A tokamak device can be measured by this probe array.
Description
Technical field
The invention belongs to technical field of nuclear fusion, be specifically related to a kind of turbulent momentum transport probe array.
Background technology
Particle that plasma microturbulence causes and the anomalous transport of energy are one of mankind's main difficulties of seeking to run on magnetic confinement fusion energy road, and therefore, anomalous transport problem is always up the focus in fusion research. Restraint performance according to Tokamak Plasma is it can be seen that the restraint performance of overall plasma is played vital effect by the character of edge plasma, and the particle of marginal area and what energy transport process was mainly caused by Electrostatic fluctuation. Therefore, character and the physical mechanism of understanding edge plasma Electrostatic fluctuation have great significance to improving the whole restraint performance of plasma. But, still do not have effective means that character and the physical mechanism of edge plasma non-linearity energy transport and turbulent flow momentum-transport are studied at present.
Summary of the invention
It is an object of the invention to provide a kind of turbulent momentum transport probe array, in electric discharge, the macroparameter of the plasma of HL-2A tokamak device can be measured by this probe array, and then the characteristic of the plasma non-linearity energy transport at research HL-2A tokamak device edge and turbulent flow momentum-transport and anomalous transport thereof.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of turbulent momentum transport probe array, this device includes 21 pyrolytic graphite probes, insulation sleeve, pyrolytic graphite protection set A, 21 lead-in wire copper pipes, fixing connector, cable tail, movable plug and connecting plate; The bottom of described pyrolytic graphite protection set A is cuboid, and cuboid bottom has rectangular channel, and the lower end of rectangular channel is connected formation rectangular enclosure with connecting plate; The top of pyrolytic graphite protection set A is the two-way 4 step symmetrical structures that middle high both sides are gradually lowered, two centrally located step integrators, 21 pyrolytic graphite probes are divided into 7 rows, often row 3,7 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 is respectively positioned in rectangular enclosure in same level; The lower end of every pyrolytic graphite probe is all connected with the upper end of a lead-in wire copper pipe, and the lower end of every lead-in wire copper pipe is pooled together by cable tail; The center of connecting plate has centre bore, is provided with the fixing connector of up-narrow and down-wide centrosymmetric stepped cavity in the center, downside of connecting plate, and fixing connector upper end communicates with the centre bore of connecting plate; The cable tail pooled together, through the centre bore of connecting plate, enters inside fixing connector, and the lower end of the cable tail pooled together is connected to movable plug; In the rectangular enclosure that pyrolytic graphite protection set A and connecting plate are formed, and being provided with insulation sleeve between each lead-in wire copper pipe, the lower end of every pyrolytic graphite probe is respectively positioned in insulation sleeve, and the lower end of every lead-in wire copper pipe is respectively positioned on the outside of insulation sleeve.
Pyrolytic graphite protection set B it is symmetrically arranged with between ladder and the connecting plate of described fixing connector.
The spacing of pyrolytic graphite probe adjacent on the described pyrolytic graphite protection set each step of A is 5mm.
The spacing of the row's probe on the described pyrolytic graphite protection set adjacent step of A is 5mm.
The radial spacing of the described pyrolytic graphite protection set adjacent step of A is 2.5mm.
The material of described insulation sleeve is boron nitride.
The material of described fixing connector is rustless steel.
The material of described connecting plate is rustless steel.
Having the beneficial effect that acquired by the present invention
HL-2A tokamak device can be carried out long-range radially in electric discharge by turbulent momentum transport probe array of the present invention, pole is to the measurement with hoop associated plasma macroparameter, these parameters include edge nonlinear energy and transport, turbulent flow momentum-transport, flux, the strong distribution of Reynolds association, turbulent flow modulation energy, momentum and PARTICLE TRANSPORT FROM, and the formation of shear flow, spectral coherence analysis method is utilized to be analyzed these parameters, the Electrostatic Plasmas fluctuation at HL-2A tokamak device edge and the characteristic of anomalous transport thereof can be obtained, to study from scraping absciss layer to the various information of plasma magnetic separating surface and within magnetic separating surface and transport mechanism.
(1) turbulent momentum transport probe array of the present invention adopts pyrolytic graphite (PG) material to make, have employed the pyrolytic graphite of full-shield formula protection nested structure simultaneously, because pyrolyzing graphite material purity is high, it is little to sputter, the coefficient of conductivity is high, long service life, the pollution of plasma is little, it is ensured that the edge plasma parameter distribution data measured are accurately and reliably;
(2) turbulent momentum transport probe array of the present invention is two-way 4 step 21 pin probe arrays, the macroparameter of edge plasma can be recorded comprehensively, the probe of two-way 4 steps can be made to being on same magnetic surface with two groups of probes of the same step of hoop in pole, and the measurement of correlation for large scale provides guarantee;
(3) turbulent momentum transport probe array of the present invention adopts inserter structure, can change at any time in the interim of electric discharge, namely when tissue damage, probe assembly can be moved in the pipeline outside main plasma in the interim of electric discharge, close isolation push-pull valve, change probe assembly.
In sum, turbulent momentum transport probe array of the present invention has considerable effect in research edge plasma physical property, anomalous transport study mechanism for fusionplasma provides experimental basis, provides data information and operating experience for International Thermonuclear reactor (ITER) experiment.
Accompanying drawing explanation
Fig. 1 is turbulent momentum transport probe array sectional view of the present invention;
Fig. 2 is turbulent momentum transport probe array outside drawing of the present invention;
In figure: 1, pyrolytic graphite probe; 2, insulation sleeve; 3, pyrolytic graphite protection set A; 4, lead-in wire copper pipe; 5, pyrolytic graphite protection set B; 6, fixing connector; 7, cable tail; 8, movable plug; 9, connecting plate.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As it is shown in figure 1, turbulent momentum transport probe array of the present invention includes 21 pyrolytic graphite probes 1, insulation sleeve 2, A3 is overlapped in pyrolytic graphite protection, B5, fixing connector 6, cable tail 7, movable plug 8 and connecting plate 9 are overlapped in 21 lead-in wire copper pipes 4, pyrolytic graphites protections; The bottom of described pyrolytic graphite protection set A3 is cuboid, and cuboid bottom has rectangular channel, and the lower end of rectangular channel is connected formation rectangular enclosure with connecting plate 9; The top of pyrolytic graphite protection set A3 is the two-way 4 step symmetrical structures that middle high both sides are gradually lowered, two centrally located step integrators, 21 pyrolytic graphite probes 1 are divided into 7 rows, often row 3,7 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 is respectively positioned in rectangular enclosure in same level; The lower end of every pyrolytic graphite probe 1 is all 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 is pooled together by cable tail 7; The center of connecting plate 9 has centre bore, is provided with the fixing connector 6 of up-narrow and down-wide centrosymmetric stepped cavity in the center, downside of connecting plate 9, and fixing connector 6 upper end communicates with the centre bore of connecting plate 9; Pyrolytic graphite protection set B5 it is symmetrically arranged with between the ladder and connecting plate 9 of fixing connector 6; The cable tail 7 pooled together, through the centre bore of connecting plate 9, enters fixing connector 6 internal, and the lower end of the cable tail 7 pooled together is connected to movable plug 8; In the rectangular enclosure that pyrolytic graphite protection set A3 and connecting plate 9 are formed, and being provided with insulation sleeve 2 between each lead-in wire copper pipe 4, the lower end of every pyrolytic graphite probe 1 is respectively positioned in insulation sleeve 2, and the lower end of every lead-in wire copper pipe 4 is respectively positioned on the outside of insulation sleeve 2.
The radial spacing of the described pyrolytic graphite protection set adjacent step of A3 is 2.5mm, and the spacing of pyrolytic graphite probe 1 adjacent on each step is 5mm; The spacing of the row's probe on adjacent step is 5mm; The material of described insulation sleeve 2 is boron nitride; The material of described fixing connector 6 is rustless steel; The material of described connecting plate 9 is rustless steel.
During use, the movable plug 8 of this probe array is inserted on the transmission pole of HL-2A tokamak device; During HL-2A tokamak device discharges, this probe array quickly scans in HL-2A tokamak device edge plasma, plasma macroparameter scanning obtained passes through cable transmission to acquisition system, acquisition system shows the macroparameter gathered, spectral coherence analysis method is utilized to be analyzed these parameters, it is possible to obtain the plasma non-linearity energy transport at HL-2A tokamak device edge and the characteristic of turbulent flow momentum-transport and anomalous transport thereof.
Claims (8)
1. a turbulent momentum transport probe array, it is characterised in that: this turbulent momentum transport probe array includes 21 pyrolytic graphite probes (1), insulation sleeve (2), pyrolytic graphite protection set A (3), 21 lead-in wire copper pipes (4), fixing connector (6), cable tail (7), movable plug (8) and connecting plate (9); The bottom of described pyrolytic graphite protection set A (3) is cuboid, and cuboid bottom has rectangular channel, and the lower end of rectangular channel is connected formation rectangular enclosure with connecting plate (9); The top of pyrolytic graphite protection set A (3) is the two-way 4 step symmetrical structures that middle high both sides are gradually lowered, two centrally located step integrators, 21 pyrolytic graphite probes (1) are divided into 7 rows, often row 3,7 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) is respectively positioned in rectangular enclosure in same level; The lower end of every pyrolytic graphite probe (1) is all 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) is pooled together by cable tail (7); The center of connecting plate (9) has centre bore, it is provided with the fixing connector (6) of up-narrow and down-wide centrosymmetric stepped cavity in the center, downside of connecting plate (9), and fixing connector (6) upper end communicates with the centre bore of connecting plate (9); The centre bore of the cable tail (7) traverse connecting plate (9) pooled together, enter fixing connector (6) internal, and the lower end of the cable tail pooled together (7) is connected to movable plug (8); In the rectangular enclosure that pyrolytic graphite protection set A (3) and connecting plate (9) are formed; and it is provided with insulation sleeve (2) between each lead-in wire copper pipe (4); the lower end of every pyrolytic graphite probe (1) is respectively positioned in insulation sleeve (2), and the lower end of every lead-in wire copper pipe (4) is respectively positioned on the outside of insulation sleeve (2).
2. turbulent momentum transport probe array according to claim 1, it is characterised in that: between the ladder and connecting plate (9) of described fixing connector (6), it is symmetrically arranged with pyrolytic graphite protection set B (5).
3. turbulent momentum transport probe array according to claim 1, it is characterised in that: the spacing of pyrolytic graphite probe (1) adjacent on described pyrolytic graphite protection set A (3) each step is 5mm.
4. turbulent momentum transport probe array according to claim 1, it is characterised in that: the circumferential distance of two row's probes on described pyrolytic graphite protection set A (3) adjacent step is 5mm.
5. turbulent momentum transport probe array according to claim 1, it is characterised in that: the radial spacing of described pyrolytic graphite protection set A (3) adjacent step is 2.5mm.
6. turbulent momentum transport probe array according to claim 1, it is characterised in that: the material of described insulation sleeve (2) is boron nitride.
7. turbulent momentum transport probe array according to claim 1, it is characterised in that: the material of described fixing connector (6) is rustless steel.
8. turbulent momentum transport probe array according to claim 1, it is characterised in that: the material of described connecting plate (9) is rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN103187105A CN103187105A (en) | 2013-07-03 |
| CN103187105B true CN103187105B (en) | 2016-06-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040415B (en) * | 2017-12-21 | 2020-01-17 | 中国科学院合肥物质科学研究院 | Integrated modular probe system suitable for tungsten-copper target plate |
| CN111403056B (en) * | 2020-03-31 | 2023-02-03 | 中国科学院合肥物质科学研究院 | Fast electronic measurement probe system suitable for magnetic confinement plasma |
| CN111540480B (en) * | 2020-05-12 | 2023-02-03 | 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 |
| CN111987484B (en) * | 2020-08-19 | 2021-09-07 | 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 |
| 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 |
| CN113066591B (en) * | 2021-03-26 | 2022-05-20 | 核工业西南物理研究院 | Electrostatic probe array for measuring plasma polar velocity and turbulent flow transportation |
| CN113438788B (en) * | 2021-07-07 | 2022-08-30 | 核工业西南物理研究院 | Multi-step electrostatic probe |
Citations (1)
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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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2011
- 2011-12-28 CN CN201110446686.3A patent/CN103187105B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188146A (en) * | 2006-11-15 | 2008-05-28 | 核工业西南物理研究院 | 3D belt flow probe system |
Non-Patent Citations (5)
| Title |
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| HL-2A装置中的带状流三维特性研究和探针设计;洪文玉等;《物理学报》;20080229;第57卷(第2期);第962～968页 * |
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