CN110689971A - High-speed projectile centrifugal acceleration system and method - Google Patents

High-speed projectile centrifugal acceleration system and method Download PDF

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Publication number
CN110689971A
CN110689971A CN201911035854.2A CN201911035854A CN110689971A CN 110689971 A CN110689971 A CN 110689971A CN 201911035854 A CN201911035854 A CN 201911035854A CN 110689971 A CN110689971 A CN 110689971A
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China
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rotating
shot
speed
chamber
rotary
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CN110689971B (en
Inventor
左桂忠
胡建生
黄明
孟献才
李成龙
钱玉忠
徐伟
孙震
陈跃
李琳
汤中亮
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Hefei Institutes of Physical Science of CAS
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Hefei Institutes of Physical Science of CAS
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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21B—FUSION REACTORS
    • G21B1/00—Thermonuclear fusion reactors
    • G21B1/11—Details
    • G21B1/15—Particle injectors for producing thermonuclear fusion reactions, e.g. pellet injectors
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21B—FUSION REACTORS
    • G21B1/00—Thermonuclear fusion reactors
    • G21B1/03—Thermonuclear fusion reactors with inertial plasma confinement
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21B—FUSION REACTORS
    • G21B1/00—Thermonuclear fusion reactors
    • G21B1/11—Details
    • 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

Abstract

The invention discloses a high-speed projectile centrifugal acceleration system and a high-speed projectile centrifugal acceleration method. The rotating shaft is arranged on the rotating pump body, the rotating blades are arranged above the rotating shaft, and the rotating shaft and the rotating blades are placed in the rotating cavity; the feeding chamber is positioned at the top of the rotating chamber and is connected to the upper part of the rotating blade through a feeding pipeline; the discharge port is arranged on the side wall of the rotating chamber, the discharge pipeline is welded on the discharge port, and the discharge pipeline is arranged in the tangential direction of the rotating chamber; the molecular pump unit is connected to the rotary pump body; the controller provides power for the rotary pump body, controls the rotating speed of the rotary shaft through frequency conversion, and displays the rotating speed in real time. The invention utilizes the rotary pump body and the rotary shaft of the turbo molecular pump to provide the rotating blades with the rotating speed of 40000-.

Description

High-speed projectile centrifugal acceleration system and method
Technical Field
The invention relates to the field of fusion reactors, in particular to a high-speed projectile centrifugal acceleration system and a method.
Background
On a fusion device, high-speed shot injection is widely applied to plasma charging and impurity shot injection, and the fields of plasma charging, fracture protection, boundary local mode control, impurity transportation research and the like are realized. Particularly, plasma core charging is realized by a frozen hydrogen isotope bullet injection technology, and the charging efficiency of the plasma is improved.
At present, many fusion devices at home and abroad are equipped with different projectile injection systems, such as EAST, HL-2A, JET, ASDEX-U, DIII-D and the like. The frozen hydrogen isotope projectile injection is characterized in that gas is condensed into solid projectiles through a low-temperature technology, and the solid projectiles are injected into a fusion device in a high-pressure gas propelling mode. The method for propelling the projectile has the advantages that the projectile is protected by gas, the collision between the projectile and the wall of the pipeline is relieved, and the projectile is prevented from being broken; however, there are also significant problems in that the required propulsion gas pressure is high and the maximum loading velocity of the projectile is relatively highLower, such as the DIII-D device using 3.4MPa gas propulsion, the speed is 200-350 m/s; meanwhile, a larger pump set is needed to pump out the propelling gas, the size is large, and the required cost is very high. The impurity pill injection adopts a centrifugal acceleration mode at present, the rotation of the impurity pill adopts the drive of a common motor, the vacuum cavity of a rotating shaft of the motor is sealed by grease, and the leakage rate is 10-8m3A maximum of 150m/s can be achieved for such motor driven centrifugal accelerators, with faster rotational speeds generating more heat at the sealing of the rotating shaft and the vacuum chamber, speeds above 150m/s risking vacuum leakage.
For future fusion reactor devices, because plasma has the characteristics of high temperature and high density, the common shot injection mode is difficult to realize high-speed shot injection, shots are quickly ablated in a plasma boundary region and difficult to inject into the core of the plasma, and the requirements of plasma core charging, cracking protection and the like are difficult to meet. In view of the good application prospect of high-speed projectile injection in the fusion field, a high-speed projectile centrifugal acceleration system used in a fusion device needs to be developed.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a high-speed projectile centrifugal acceleration system and a method. The problem that high-speed projectile injection is difficult to realize in the existing fusion device technology is solved.
The invention is realized by the following technical scheme: a high-speed projectile centrifugal acceleration system comprises a rotary pump body, a rotary shaft, rotary blades, a rotary cavity, an accelerator support, a feeding chamber, a feeding pipeline, a discharging port, a discharging pipeline, a target chamber, a molecular pump unit and a controller;
the rotary shaft is arranged on the rotary pump body, the rotary blade is arranged above the rotary shaft, the rotary shaft and the rotary blade are arranged in the rotary cavity, the feeding chamber is positioned at the top of the rotary cavity, the shot is stored in the feeding chamber, the feeding pipeline is communicated with the feeding chamber and the rotary blade, the discharge port is arranged on the side wall of the rotary cavity, the discharge pipeline is welded on the discharge port, the target chamber is welded at the terminal of the discharge pipeline, the molecular pump unit is connected to the rotary pump body, and the controller is connected to the rotary pump body through a control line;
dropping the shot from the feeding chamber into the central area of the blade rotating at high speed through the feeding pipeline, and throwing the shot out of the inner wall of the rotating chamber to do circular motion through the rotation acceleration of the rotating blade; when the shot rotating at high speed reaches the position of the discharge hole, the shot rotating at high speed passes through the discharge hole along the tangent line and is injected into the discharge pipeline, so that the high-speed injection of 500 plus 1000m/s of the shot is realized.
Furthermore, the high-speed projectile is a solid projectile with the size of 0.5-3mm and made of any one of lithium, beryllium, carbon and tungsten or a solid hydrogen isotope projectile, and the required speed is 500-1000m/s and is adjustable.
Further, the rotary pump body is a common turbo molecular pump body, the rotary shaft is a rotary shaft exposed out of the pump body, and the molecular pump is utilized to realize the rotation speed of 40000 and 90000 revolutions per minute in a vacuum environment.
Furthermore, the rotating blade is fixed at the top of the rotating shaft, is made of light titanium alloy materials and comprises a tank body module and a cover plate, wherein a diamond-shaped groove with the depth of 5mm is formed in the middle of the tank body module and is a falling area of the shot; square grooves are formed in the two sides of the trough body module, the depth of each square groove is 5mm, the width of each square groove is 6mm, and each square groove is an acceleration groove for the shot; a round hole with the diameter of 1.5cm is formed in the middle of the cover plate and is fastened on the tank body module through a screw, so that the pellets in the acceleration tank are prevented from overflowing; the length of the rotating blades is adjusted according to the designed speed of the shot, and the speed of the shot is positively correlated with the rotating speed of the rotating shaft and the length of the blades.
Furthermore, the rotating chamber is a stainless steel drum, and after the centrifugally accelerated pills on the rotating blades are separated from the blades, the pills rotate around the circular motion on the inner wall of the rotating chamber; the discharge port is arranged on the side wall of the rotating chamber and is circular, and the center of the circle and the rotating blade are kept at the same horizontal height.
Further, the feeding chamber is positioned at the top of the rotating chamber, and the solid shot is stored in the feeding chamber; the charging pipeline is communicated with the charging chamber and the central circular groove area of the rotating blade, the projectile falls into the central circular groove of the rotating blade through the charging pipeline, and the initial speed is zero because the circular groove is positioned at the center, so that the projectile can be prevented from overflowing.
Furthermore, the discharge pipeline is welded on the discharge port, the size of the discharge pipeline is consistent with that of the discharge port, the inner surface of the discharge pipeline is smooth, and the direction of the discharge pipeline is the tangential direction of the rotating chamber; the target chamber is welded to the terminal end of the discharge pipeline and is a chamber for injecting high-speed shots.
Furthermore, the molecular pump unit is connected to the rotary pump body and provides vacuum degree less than 10 for the rotary chamber3A vacuum environment of Pa; the controller is connected to the rotary pump body through a control line, the controller provides power for the rotary pump body, controls the rotating speed of the rotary shaft in a frequency conversion mode, displays the rotating speed in real time, and the molecular pump unit and the controller provide necessary conditions for the work of the rotary pump body and the rotary shaft.
According to another aspect of the present invention, there is also provided a method for projectile acceleration by the high speed projectile centrifugal acceleration system according to claim 1, comprising the steps of:
step 1, firstly, filling the shot in the feeding chamber, then packaging a system flange, and pumping air to the whole system through a molecular pump unit to realize that the vacuum degree is superior to 10-3Pa, which provides a good vacuum environment for the rotation of the rotating blade;
step 2, controlling the rotation of the rotating blades through a controller, and monitoring the rotating speed of the blades in real time;
step 3, after the rotation reaches a preset rotating speed, releasing the shot in the feeding chamber, and enabling the shot to fall into a central area of the rotating module through a feeding pipeline, wherein the rotating speed of the central area is zero, so that the shot is prevented from overflowing;
step 4, centrifugally accelerating the shot in the rotating module groove to the tail end of the rotating blade, separating the shot from the rotating blade to reach the inner wall of the rotating chamber, and performing circular motion on the inner wall of the rotating chamber;
and 5, when the shot rotating at high speed reaches the position of the discharge hole, the shot rotating at high speed passes through the discharge hole along the tangent line and is injected into a discharge pipeline, and finally the shot rotating at high speed is injected into a target chamber, so that the high-speed injection of the shot at the speed of 500-1000m/s is realized.
Has the advantages that:
the invention has the advantages that: the invention provides 40000 per minute and 90000 per minute rotation speeds for the rotating blades by utilizing the rotating pump body and the rotating shaft of the turbomolecular pump, the acceleration of the shot in the groove is realized by the titanium alloy rotating blades protected by the top cover plate with the grooves formed inside, the shot separated from the rotating blades continuously performs circular motion on the smooth inner wall of the rotating cavity, and finally the shot is thrown out through the discharge hole and the discharge pipeline in the tangential direction of the rotating cavity, so that the high-speed injection of 500 plus shots and 1000m/s is realized.
The invention provides a method for simply, economically and effectively solving the problem of high-speed shot injection in a fusion device, and provides a new means for core part feeding and high-speed impurity injection in a future fusion reactor through the realization of a high-speed shot centrifugal acceleration system.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a projectile acceleration member of the present invention;
FIG. 3 is a side view of FIG. 2;
fig. 4 is a view showing the structure of a rotary blade according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-4, a high-speed projectile centrifugal acceleration system comprises a rotary pump body 1, a rotary shaft 2, rotary blades 3, a rotary chamber 4, projectiles 5, a feeding chamber 6, a feeding pipeline 7, a discharging port 8, a discharging pipeline 9, a target chamber 10, a molecular pump unit 11 and a controller 12. The utility model discloses a rotary pump body, including rotary shaft 2, feed chamber 6, projectile 5, charge chamber 7, feed chamber 6 and rotary blade 3, rotary shaft 2 and rotary blade 3 are arranged inside rotatory chamber 4, charge chamber 6 is located rotatory chamber 4 top, projectile 5 be located charge chamber 6, charge pipeline 7 intercommunication charge chamber 6 and rotary blade 3, discharge gate 8 set up the lateral wall at rotatory chamber 4, discharge pipeline 9 weld on discharge gate 8, target chamber 10 weld the terminal of discharge pipeline 9, molecular pump unit 11 be connected to the rotary pump body 1, controller 12 be connected to the rotary pump body 1 through the control line.
The rotary pump body 1 as a key component is a common turbo molecular pump body, the rotary shaft 2 utilizes the rotary shaft of the molecular pump, the selection of the pump is related to the rotary speed of the pump, and the exposed rotary shaft is obtained by removing blades (a stator and a rotor) in the molecular pump or a manufacturer customizes the exposed rotary shaft structure. Under the vacuum environment, the rotation speed of 40000-. The traditional motor is difficult to reach the rotating speed, for example, the nominal maximum of the wall breaking machine is 48000, but the rotating speed cannot be reached actually, and the problem of vacuum leakage exists; the invention adopts the molecular pump to modify, not only can reach high-speed rotation, but also has no vacuum leakage risk.
The rotating blade 3 as a key component is arranged on the rotating shaft 2, the rotating blade 3 is made of light titanium alloy materials and comprises a tank body module 17 and a cover plate 16, and a rhombic tank 18 with the depth of 5mm is arranged in the middle of the tank body module 17 and is a falling area of the shot; square grooves 19 are formed in two sides of the groove body module 17, the depth is 5mm, the width is 6mm, and the groove is an accelerating groove for the shot. A round hole with the diameter of 1.5cm is formed in the middle of the cover plate 16 and is fastened on the groove body module 17 through screws, and accordingly the pellets in the accelerating track are prevented from overflowing.
The rotating chamber 4 as a key part is of a cylindrical stainless steel structure, the inner surface is smooth, burr-free and high in roundness, the distance between the rotating chamber 4 and the tail end of the rotating blade 3 is slightly larger than the size of the projectile by about 3mm, and the rotating chamber 4 can be determined and processed according to experimental requirements. The discharge pipeline 9 is welded on the discharge port 8, the size of the discharge pipeline is consistent with that of the discharge port, the inner surface of the discharge pipeline is smooth, and the direction of the discharge pipeline is the tangential direction of the rotary chamber 4; the target chamber 10 is welded to the terminal end of the discharge pipeline 9 and is a chamber for injecting high-speed shots.
A feeding chamber 6 as a key part is positioned at the top of the rotating chamber 4 and is connected with the rotating chamber 4 through a knife edge flange 14, and solid shot is stored in the feeding chamber 6; the feed line 7 communicates the central area of the feed chamber 6 and the central diamond-shaped groove area of the rotary blade 3, and the shot falls into the central diamond-shaped groove area of the rotary blade 3 through the feed line 7.
The molecular pump unit 11 as a key component is connected to the pumping port 15 of the rotary pump body to provide the vacuum degree of less than 10-3A vacuum environment of Pa; the controller 12 is connected to the rotary pump body 1 through a control line, the controller 12 provides power for the rotary pump body 1 and controls the rotating speed of the rotary shaft in a frequency conversion mode, the rotating speed is displayed in real time, and the molecular pump unit and the controller provide necessary conditions for the work of the rotary pump body and the rotary shaft.
The specific work flow of the high-speed projectile centrifugal acceleration system is as follows:
firstly, the filling of the shot in the charging chamber is completed, then the flange of the system is packaged, and the whole system is pumped by the molecular pump unit to realize that the vacuum degree is superior to 10-3Pa, to provide a good vacuum environment for the rotation of the rotating blades. The rotating blades are controlled to rotate through the controller, and the rotating speed of the blades is monitored in real time. After the rotation reaches the preset rotating speed, the shot in the feeding chamber is released and falls into the central area of the rotating module through the feeding pipeline, and the rotating speed of the central area is zero, so that the shot is prevented from overflowing. The pellets will then be accelerated centrifugally in the trough of the rotating module, accelerated to the tips of the rotating blades, will leave the rotating blades to the inner wall of the rotating chamber and move circumferentially in the inner wall of the rotating chamber. When the shot rotating at high speed reaches the position of the discharge hole, the shot rotates at high speed along the tangent lineAnd the mixture is injected into a discharge pipeline through a discharge port and is finally injected into a target chamber, so that the high-speed injection of 500-1000m/s (the speed is approximately equal to the tangential speed of the tail end of the rotation of the blade) of the shot is realized.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (9)

1. A high-speed projectile centrifugation accelerating system which is characterized in that: the device comprises a rotary pump body, a rotary shaft, a rotary blade, a rotary cavity, an accelerator support, a charging chamber, a charging pipeline, a discharge port, a discharge pipeline, a target chamber, a molecular pump unit and a controller;
the rotary shaft is arranged on the rotary pump body, the rotary blade is arranged above the rotary shaft, the rotary shaft and the rotary blade are arranged in the rotary cavity, the feeding chamber is positioned at the top of the rotary cavity, the shot is stored in the feeding chamber, the feeding pipeline is communicated with the feeding chamber and the rotary blade, the discharge port is arranged on the side wall of the rotary cavity, the discharge pipeline is welded on the discharge port, the target chamber is welded at the terminal of the discharge pipeline, the molecular pump unit is connected to the rotary pump body, and the controller is connected to the rotary pump body through a control line;
dropping the shot from the feeding chamber into the central area of the blade rotating at high speed through the feeding pipeline, and throwing the shot out of the inner wall of the rotating chamber to do circular motion through the rotation acceleration of the rotating blade; when the shot rotating at high speed reaches the position of the discharge hole, the shot rotating at high speed passes through the discharge hole along the tangent line and is injected into the discharge pipeline, so that the high-speed injection of 500 plus 1000m/s of the shot is realized.
2. The high speed projectile centrifugal acceleration system of claim 1, characterized in that:
the high-speed projectile is a solid projectile with the size of 0.5-3mm, is made of any one of lithium, beryllium, carbon and tungsten, or is a solid hydrogen isotope projectile, and the required speed is 500-1000m/s and is adjustable.
3. The high speed projectile centrifugal acceleration system of claim 1, characterized in that:
the rotary pump body is a common turbo molecular pump body, the rotary shaft is a rotary shaft exposed out of the pump body, the exposed rotary shaft is obtained by removing blades, namely a stator and a rotor, in the molecular pump, and the rotary speed of 40000 and 90000 revolutions per minute is realized by utilizing the molecular pump in a vacuum environment.
4. The high speed projectile centrifugal acceleration system of claim 2, characterized in that:
the rotary blade is fixed at the top of the rotary shaft, is made of light titanium alloy materials and comprises a tank body module and a cover plate, wherein a diamond groove with the depth of 5mm is formed in the middle of the tank body module and is a falling area of the shot; square grooves are formed in the two sides of the trough body module, the depth of each square groove is 5mm, the width of each square groove is 6mm, and each square groove is an acceleration groove for the shot; a round hole with the diameter of 1.5cm is formed in the middle of the cover plate and is fastened on the tank body module through a screw, so that the pellets in the acceleration tank are prevented from overflowing; the length of the rotating blades is adjusted according to the designed speed of the shot, and the speed of the shot is positively correlated with the rotating speed of the rotating shaft and the length of the blades.
5. The high speed projectile centrifugal acceleration system of claim 2, characterized in that:
the rotating chamber is a stainless steel drum, and after the centrifugally accelerated pills on the rotating blades are separated from the blades, the pills rotate around the inner wall of the rotating chamber; the discharge port is arranged on the side wall of the rotating chamber and is circular, and the center of the circle and the rotating blade are kept at the same horizontal height.
6. The high speed projectile centrifugal acceleration system of claim 1, characterized in that:
the feeding chamber is positioned at the top of the rotating chamber, and the solid shot is stored in the feeding chamber; the charging pipeline is communicated with the charging chamber and the central circular groove area of the rotating blade, the projectile falls into the central circular groove of the rotating blade through the charging pipeline, and the initial speed is zero because the circular groove is positioned at the center, so that the projectile can be prevented from overflowing.
7. The high speed projectile centrifugal acceleration system of claim 1, characterized in that:
the discharge pipeline is welded on the discharge port, the size of the discharge pipeline is consistent with that of the discharge port, the inner surface of the discharge pipeline is smooth, and the direction of the discharge pipeline is the tangential direction of the rotating chamber; the target chamber is welded to the terminal end of the discharge pipeline and is a chamber for injecting high-speed shots.
8. The high speed projectile centrifugal acceleration system of claim 1, characterized in that:
the molecular pump unit is connected to the rotary pump body and provides a vacuum degree less than 10 for the rotary cavity-3A vacuum environment of Pa; the controller is connected to the rotary pump body through a control line, the controller provides power for the rotary pump body, controls the rotating speed of the rotary shaft in a frequency conversion mode, displays the rotating speed in real time, and the molecular pump unit and the controller provide necessary conditions for the work of the rotary pump body and the rotary shaft.
9. A method of projectile acceleration by the high speed projectile centrifugation acceleration system of claim 1, characterized by the steps of:
step 1, firstly, filling of the shot in the feeding chamber is completed, then a system flange is packaged, and the whole system is pumped by a molecular pump unit to realize that the vacuum degree is superior to 10-3Pa, which provides a good vacuum environment for the rotation of the rotating blade;
step 2, controlling the rotation of the rotating blades through a controller, and monitoring the rotating speed of the blades in real time;
step 3, after the rotation reaches a preset rotating speed, releasing the shot in the feeding chamber, and enabling the shot to fall into a central area of the rotating module through a feeding pipeline, wherein the rotating speed of the central area is zero, so that the shot is prevented from overflowing;
step 4, centrifugally accelerating the shot in the rotating module groove to the tail end of the rotating blade, separating the shot from the rotating blade to reach the inner wall of the rotating chamber, and performing circular motion on the inner wall of the rotating chamber;
and 5, when the shot rotating at high speed reaches the position of the discharge hole, the shot rotating at high speed passes through the discharge hole along the tangent line and is injected into a discharge pipeline, and finally the shot rotating at high speed is injected into a target chamber, so that the high-speed injection of the shot at the speed of 500-1000m/s is realized.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114974618A (en) * 2022-04-14 2022-08-30 核工业西南物理研究院 High-speed impurity projectile rotating launcher suitable for fusion device

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JPH11352270A (en) * 1998-06-09 1999-12-24 Mitsubishi Heavy Ind Ltd Pellet fuel-injecting device
CN1566895A (en) * 2003-06-19 2005-01-19 郑悦 Centrifugal launching pattern and mechanism therefor
JP2006257988A (en) * 2005-03-17 2006-09-28 Boc Edwards Kk Vacuum pump
US20080226011A1 (en) * 2005-10-04 2008-09-18 Barnes Daniel C Plasma Centrifuge Heat Engine Beam Fusion Reactor
WO2007048170A1 (en) * 2005-10-24 2007-05-03 Steven Arnold Sesselmann Reactor for producing controlled nuclear fusion
CN102903399A (en) * 2011-07-29 2013-01-30 核工业西南物理研究院 Multistage differential vacuum pumping system for pellet charging propulsive gas in nuclear fusion
CN102903398A (en) * 2011-07-29 2013-01-30 核工业西南物理研究院 Pipeline for injecting pellets from strong field side
CN103822532A (en) * 2014-02-26 2014-05-28 中国科学院等离子体物理研究所 Multi-lithium-ball-projectile accurate automatic supply system special for plasma fracturing protecting
CN204898063U (en) * 2015-09-16 2015-12-23 中国工程物理研究院激光聚变研究中心 Niobium sputter pump and vacuum system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114974618A (en) * 2022-04-14 2022-08-30 核工业西南物理研究院 High-speed impurity projectile rotating launcher suitable for fusion device

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