2022 Vol. 34, No. 7
Display Method:
2022,
34: 1-2.
2022,
34: 074001.
doi: 10.11884/HPLPB202234.210515
Abstract:
A magnetic field regulating ion source introduces strong pulsed magnetic field in the discharge plasma region of the ion source. On one hand, it forms Penning discharge effect to enhance the collision ionization efficiency of the atoms and gas molecu...
A magnetic field regulating ion source introduces strong pulsed magnetic field in the discharge plasma region of the ion source. On one hand, it forms Penning discharge effect to enhance the collision ionization efficiency of the atoms and gas molecu...
2022,
34: 074002.
doi: 10.11884/HPLPB202234.210458
Abstract:
Based on GEANT4 simulation, a feasible numerical simulation method is provided for the beam dynamics design of cyclotron. Through the electromagnetic field simulation software Opera, the corresponding electromagnetic field data are imported into GEAN...
Based on GEANT4 simulation, a feasible numerical simulation method is provided for the beam dynamics design of cyclotron. Through the electromagnetic field simulation software Opera, the corresponding electromagnetic field data are imported into GEAN...
2022,
34: 074003.
doi: 10.11884/HPLPB202234.210513
Abstract:
Based on the principle of Induction Synchrotron (IS), the high-repetition pulse induction acceleration module can replace the radio frequency acceleration cavity in circular accelerators, thereby obtaining more application prospects. In this paper, a...
Based on the principle of Induction Synchrotron (IS), the high-repetition pulse induction acceleration module can replace the radio frequency acceleration cavity in circular accelerators, thereby obtaining more application prospects. In this paper, a...
2022,
34: 075001.
doi: 10.11884/HPLPB202234.210483
Abstract:
The pulse forming network (PFN)-Marx generator can realize both integration of pulse modulation and pulse voltage accumulation, exhibiting a the natural “gene” of compactness. In recent years, the pulsed energy storage technology has been developing ...
2022,
34: 075002.
doi: 10.11884/HPLPB202234.210433
Abstract:
Based on the Lagrangian description, a single temperature magneto-hydrodynamics model of underwater electrical wire explosion is established, and a high-order mixed finite element method is used to solve this model. For the Lagrangian compressible fl...
Based on the Lagrangian description, a single temperature magneto-hydrodynamics model of underwater electrical wire explosion is established, and a high-order mixed finite element method is used to solve this model. For the Lagrangian compressible fl...
2022,
34: 075003.
doi: 10.11884/HPLPB202234.220002
Abstract:
The thermal erosion of arc is the main cause of electrode loss in the spark gap switch. The graphite electrode will evaporate and constantly undergo mass loss under the effect of the arc, which changes the gas environment in switch and the electrode ...
The thermal erosion of arc is the main cause of electrode loss in the spark gap switch. The graphite electrode will evaporate and constantly undergo mass loss under the effect of the arc, which changes the gas environment in switch and the electrode ...
2022,
34: 075004.
doi: 10.11884/HPLPB202234.210538
Abstract:
There are significant differences between the calculation results and experimental results by using J. C. Martin empirical formula to estimate the breakdown electric field for hundreds of kV/cm electric field and nanosecond pulse. To improve the desi...
There are significant differences between the calculation results and experimental results by using J. C. Martin empirical formula to estimate the breakdown electric field for hundreds of kV/cm electric field and nanosecond pulse. To improve the desi...
2022,
34: 075005.
doi: 10.11884/HPLPB202234.210435
Abstract:
The voltage droop of high-voltage pulses is required to be as low as possible in many industrial applications including particle accelerators. The commonly used method of reducing the droop is to increase the capacitance of the energy storage capacit...
The voltage droop of high-voltage pulses is required to be as low as possible in many industrial applications including particle accelerators. The commonly used method of reducing the droop is to increase the capacitance of the energy storage capacit...
2022,
34: 075006.
doi: 10.11884/HPLPB202234.210569
Abstract:
Agile high repetition rate discharge technology has important applications in improving plasma uniformity. SiC photoconductive semiconductor switch (PCSS) has the advantages of high breakdown field strength, high saturated carrier rate, high radiatio...
Agile high repetition rate discharge technology has important applications in improving plasma uniformity. SiC photoconductive semiconductor switch (PCSS) has the advantages of high breakdown field strength, high saturated carrier rate, high radiatio...
2022,
34: 075007.
doi: 10.11884/HPLPB202234.210519
Abstract:
To measure the transition section and outlet current of LTD single branch verification device, a B-dot current probe is designed and calibrated. The radial transmission line is used to calibrate the current probe offline, and the corresponding verifi...
To measure the transition section and outlet current of LTD single branch verification device, a B-dot current probe is designed and calibrated. The radial transmission line is used to calibrate the current probe offline, and the corresponding verifi...
2022,
34: 075008.
doi: 10.11884/HPLPB202234.210484
Abstract:
With the development of pulse power technology to high repetition rate and long life, it is necessary to test the stability of energy storage and switching components under transient intense field. This paper presents a solid-state platform for trans...
With the development of pulse power technology to high repetition rate and long life, it is necessary to test the stability of energy storage and switching components under transient intense field. This paper presents a solid-state platform for trans...
2022,
34: 075009.
doi: 10.11884/HPLPB202234.210486
Abstract:
An electromagnetic loading system is designed to be applied to a separate Hopkinson rod experimental device. It can overcome the shortcomings of traditional pneumatic drive and achieve the purpose of accurately controlling the incident stress. The lo...
An electromagnetic loading system is designed to be applied to a separate Hopkinson rod experimental device. It can overcome the shortcomings of traditional pneumatic drive and achieve the purpose of accurately controlling the incident stress. The lo...
2022,
34: 075010.
doi: 10.11884/HPLPB202234.210459
Abstract:
Influence factors of the breakdown delay jitter of a self-triggered UV-illuminated switch are studied. It indicates that the switch electric field at the injection time of pre-ionization is the decisive factor of the time jitter when the capacitor di...
Influence factors of the breakdown delay jitter of a self-triggered UV-illuminated switch are studied. It indicates that the switch electric field at the injection time of pre-ionization is the decisive factor of the time jitter when the capacitor di...
2022,
34: 075011.
doi: 10.11884/HPLPB202234.210457
Abstract:
A dynamic model for high voltage Child-sheath of mixed multi-component plasmas is built up, and the characteristics of high voltage Child-sheath of mixed D+ and Ti2+ plasmas is numerically studied. The theoretical and numerical results demonstrate as...
A dynamic model for high voltage Child-sheath of mixed multi-component plasmas is built up, and the characteristics of high voltage Child-sheath of mixed D+ and Ti2+ plasmas is numerically studied. The theoretical and numerical results demonstrate as...
2022,
34: 075012.
doi: 10.11884/HPLPB202234.210442
Abstract:
The thermal-mechanical damage induced by high current pulsed electron beam striking on anode targets is a key factor affecting the stability and lifetime of high current diodes. This problem is mostly addressed by replacing the anode target and clean...
The thermal-mechanical damage induced by high current pulsed electron beam striking on anode targets is a key factor affecting the stability and lifetime of high current diodes. This problem is mostly addressed by replacing the anode target and clean...
2022,
34: 075013.
doi: 10.11884/HPLPB202234.210468
Abstract:
Aiming at the problem that the stability of the flat-top pulsed magnetic field generated by open-loop control of capacitor discharge is difficult to meet the requirements of nuclear magnetic resonance, this paper proposes a closed-loop continuous mic...
Aiming at the problem that the stability of the flat-top pulsed magnetic field generated by open-loop control of capacitor discharge is difficult to meet the requirements of nuclear magnetic resonance, this paper proposes a closed-loop continuous mic...
2022,
34: 075014.
doi: 10.11884/HPLPB202234.220007
Abstract:
Using electrical explosion of wires to produce nanopowders has attracted wide interest because of the considerable overheat of the metal and the non-equilibrium process and it is considered to be an effective method to prepare expensive or difficult ...
Using electrical explosion of wires to produce nanopowders has attracted wide interest because of the considerable overheat of the metal and the non-equilibrium process and it is considered to be an effective method to prepare expensive or difficult ...
2022,
34: 075015.
doi: 10.11884/HPLPB202234.220008
Abstract:
Underwater electrical wire explosion igniting energetic materials can generate stronger shock waves (SW), which is also considered as an important direction for the development of controllable shock wave technology. Compared with other energetic mate...
Underwater electrical wire explosion igniting energetic materials can generate stronger shock waves (SW), which is also considered as an important direction for the development of controllable shock wave technology. Compared with other energetic mate...
2022,
34: 075016.
doi: 10.11884/HPLPB202234.210534
Abstract:
Development trends of pulsed power technology is high power density, compactness and high reliabilities. Liquid dielectric, because of its high insulation, easy flow, fast recovery and good heat dispersion, is widely used in the pulse power source ba...
Development trends of pulsed power technology is high power density, compactness and high reliabilities. Liquid dielectric, because of its high insulation, easy flow, fast recovery and good heat dispersion, is widely used in the pulse power source ba...
2022,
34: 075017.
doi: 10.11884/HPLPB202234.210471
Abstract:
To develop a light and small high voltage pulsed power source, an innovative fast pulse technology based on an explosive driven ferroelectric generator (EDFEG) is investigated. An EDFEG is used as the primary power supply, inductive energy storage te...
To develop a light and small high voltage pulsed power source, an innovative fast pulse technology based on an explosive driven ferroelectric generator (EDFEG) is investigated. An EDFEG is used as the primary power supply, inductive energy storage te...
2022,
34: 075018.
doi: 10.11884/HPLPB202234.210556
Abstract:
Under the condition of refrequency, the resonant circuit of the capacitor charging power supply oscillates abnormally due to the residual voltage, which leads to switching overcurrent and power failure. To address this issue, on the basis of analyzin...
Under the condition of refrequency, the resonant circuit of the capacitor charging power supply oscillates abnormally due to the residual voltage, which leads to switching overcurrent and power failure. To address this issue, on the basis of analyzin...
2022,
34: 075019.
doi: 10.11884/HPLPB202234.210465
Abstract:
A 50 kV compact automatic nanosecond pulse source was developed. The working principle of the pulse source, its structure design and the development of automatic control system are introduced. The typical electric field waveform of a pulse source con...
A 50 kV compact automatic nanosecond pulse source was developed. The working principle of the pulse source, its structure design and the development of automatic control system are introduced. The typical electric field waveform of a pulse source con...
2022,
34: 079001.
doi: 10.11884/HPLPB202234.210568
Abstract:
The use of aluminum alloy high-voltage wire harnesses instead of copper wire harnesses can reduce the weight of electric vehicles, increase battery endurance, and reduce cost. Aiming at the difficulty of reliable and effective connection between alum...
The use of aluminum alloy high-voltage wire harnesses instead of copper wire harnesses can reduce the weight of electric vehicles, increase battery endurance, and reduce cost. Aiming at the difficulty of reliable and effective connection between alum...
2022,
34: 079002.
doi: 10.11884/HPLPB202234.210540
Abstract:
The gain of silicon photomultiplier tube will drift greatly due to temperature variation, which will affect the gain accuracy of silicon photomultiplier tube. To realize that silicon photomultiplier tube gain does not change greatly with temperature ...
The gain of silicon photomultiplier tube will drift greatly due to temperature variation, which will affect the gain accuracy of silicon photomultiplier tube. To realize that silicon photomultiplier tube gain does not change greatly with temperature ...