Conveners
Thu-Mo-Posters Session 3.4: Fusion Magnets, Magnet Technology; Novel Devices and Concepts
- Torsten Koettig (CERN)
- Maciej Chorowski (Wroclaw University of Technology)
Dr
Shaoliang Wang
(Huazhong University of Science & Technology)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
A top loading 3He cryostat has been developed for scientific experiments with a 60 T pulsed magnetic field facility at Wuhan National High Magnetic Field Center. The cryostat consists of a 4He bath cryostat, a 3He insert and a closed circulation system for 3He gas handling. To eliminate the eddy current heating during the pulse, the tail of the 3He insert with a death vacuum at the bottom is...
Dr
Shaoliang Wang
(Huazhong University of Science & Technology)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
Traditional cryostat for scientific experiment in the pulsed high magnetic field uses liquid helium as the cooling source. To reduce the running cost and to increase the operational efficiency, a cryogen-free cryostat based on a GM cryocooler has been developed for a 60 T pulsed field measurement cell at Wuhan National High Magnetic Field Center. The lowest temperature of the cryostat is 1.4...
Prof.
laifeng LI
(Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences), Prof.
linghui gong
(Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences), Mr
rongjin huang
(Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
As a highly effective two-phase cooling technique, a cryogenic heat pipe can transport several orders of magnitude larger heat loads than heat conduction of solids such as copper, and it has been used widely for cooling of superconducting magnets, electronic devices and harvesting energy. Among the different types of heat pipes, the cryogenic pulsating heat pipe is a new-type heat pipe which...
Min Liu
(BISEE)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
**Abstract:** The environment for a thermal vacuum test is created by a space simulator, of which cold & black is the important technical specification for spacecrafts’ thermal test. The objects of the paper are shrouds and nitrogen system to simulate the cold & black environment with the effective volume ⌀ 8500mm×9000mm.
As for the shroud design of a large horizontal space simulator, not...
Hong Wu
(Karlsruhe Institute of Technology)
10/07/2014, 10:30
C-07: Magnet technology
Poster presentation (105min)
Radiation blackout is a communication interruption phenomenon during hypersonic or reentry flight, caused by a plasma layer around a vehicle attenuating or reflecting radio waves. A vehicle in the radiation blackout phase will lose all contact with ground stations or satellites including GPS signals, data telemetry and voice communication. A method proposed to reduce the plasma density around...
Bertrand Hervieu
(CEA-Saclay Irfu),
Luc Ronayette
(CNRS-LNCMI Grenoble)
10/07/2014, 10:30
C-07: Magnet technology
Poster presentation (105min)
The association of two inner copper alloy resistive coils (polyhelix and Bitter) producing 34.5 T with an outer NbTi superconducting coil producing 8.5 T to obtain a 43 T hybrid magnet is a technical challenge. Accidental failure modes leading to complex electromagnetics behaviors and large transient dynamical forces should be anticipated. These considerations lead to a reinforced design of...
Mr
Oleg Kovalchuk
(NIIEFA)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
Insulation breaks are used in cryogenic lines with gas or liquid (helium, hydrogen, nitrogen, etc.) at a temperature range of 4.2-300 K and pressure up to 30 MPa to isolate the parts of an electrophysical facility with different electrical potentials. In 2013 NIIEFA delivered 95 insulation breaks to the IO ITER, i.e. 65 spiral-type breaks and 30 uniflow-type breaks. These insulators were...
Sergey Nasluzov
(JSC NIIEFA)
10/07/2014, 10:30
C-08: Fusion magnets and conductors
Poster presentation (105min)
Helium inlet (HI) and electrical joint (EJ) between conductors are critical elements of double pancakes (DP) of ITER PF-1 coil.
HI is a part of the PF-1 coil used to inject the liquid helium into PF1 conductor channel.
The full-scale sample of HI and mechanical loading facility have been designed and manufactured to perform a fatigue tests at 77K under required strain and to check leak...
junjie Wang
(Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China;)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
Developing and utilizing energy storage technologies means a significant push for the “Smart Grid”. Pumped hydro storage and compressed air energy storage have been proved useful in the field of large scale energy storage, however, to adopt liquid gas, e.g., air, as a storage medium could provide much higher energy density, reduce the cost and need for space considerably. In such storage...
Tommaso Bagni
(U)
10/07/2014, 10:30
C-08: Fusion magnets and conductors
Poster presentation (105min)
The performance during an operating plasma scenario of Nb3Sn Cable-in-Conduit Conductors (CICCs) designs envisaged for the ITER Central Solenoid has been analyzed with the code JackPot-ACDC. At present there is no experimental facility available to test the stability of the conductors under relevant pulsed plasma operating conditions. Only limited experimental data is existing that is suitable...
Mr
Dieter Jedamzik
(Oxford Instruments Omicron NanoScience)
10/07/2014, 10:30
C-08: Fusion magnets and conductors
Poster presentation (105min)
High temperature superconductors (HTS) have the potential to impact the future development of superconducting applications for research magnets in physical sciences and industrial products. A promising technique to obtain energy from fusion is reliant on high magnetic fields to confine the hot plasma during the fusion reaction. To generate these high magnetic fields very high currents are...
Mr
Charl E. Janeke
(Kartago Inc)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
Space commerce is the new global economic frontier. Air-breathing aerospace planes is a necessary space commerce means. To overcome the degenerative power of adiabatic compression, supercooling in the cryogenic zone was invented to negate shockwave formation through. The rationale of isothermal compression in the cryogenic zone is (1) logarithmic convergence of extreme compression in the rare...
Dr
ZhengYu Li
(Technical Institute of Physics and Chemistry,CAS)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
Thermo-acoustic electricity generator is an application of thermo-acoustic technology. Occasionally, thermo-acoustic electricity generator without resonator should be used to satisfy both small scale and high efficiency. The alternator is resonance element as well as consuming power element. Compared to an acoustic resonator, the mechanical impedance is more concentrated, causing more apparent...
Dr
ZhengYu Li
(Technical Institute of Physics and Chemistry,CAS)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
This paper proposes a thermoacoustic electricity generator with no resonator, which is generated by a looped-tube traveling-wave thermoacoustic engine coupling with two linear alternators. Linear alternator is the resonating element of the looped-tube thrermoacoustic engine, and its impedance determines the operating status. The clearance between the piston of the alternator and the cylinder...
Prof.
Junjie Wang
(1.Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
This article describes the application of cryogens in the liquid fluid energy storage systems and compares the liquid fluid energy storage systems with the conventional compressed air energy systems. The study focus on the thermodynamic characteristics of the different cryogens used in the liquid fluid energy storage systems. It is found that the liquid fluid energy storage systems have...
Robert von Hahn
(Max-Planck-Institut für Kernphysik, Heidelberg)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
At MPIK the electrostatic cryogenic storage ring CSR is nearing completion. With 35 m circumference and beam energies of 20 keV to 300 keV per charge unit the CSR will allow experiments in a cryogenic environment with extremely good vacuum and low heat radiation. By using liquid helium at 2 K for cryopumping, a measured vacuum of 1 x 10E-13 mbar was proved (in a 3-m prototype device), ensuring...
Dr
Woosik Gil
(Karlsruhe Institute of Technology)
10/07/2014, 10:30
C-07: Magnet technology
Poster presentation (105min)
The Karlsruhe Tritium Neutrino experiment (KATRIN) operates a series of superconducting solenoid magnets for guiding beta-electrons from the source to the detector. KATRIN has changed the superconducting magnet systems with respect to operation mode and by-pass diodes, in order to have a more reliable operation of the complex magnet systems for a designed long operation lifetime of more than...
Mrs
hua tong
(Beijing institute of Spacecraft environment Engineering), Mrs
ran liu
(Beijing institute of Spacecraft Environment Engineering)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
The article mainly introduces the research of spherical door shroud in a huge space environmental simulator. The shroud is a pipe sheet structure of stainless pipe welding copper fin. In order to enlarge the capacity of the experiment, the door shroud adopts the spherical structure. The structure design is optimized by using emulator. The resistance pressure and temperature pattern of the...
Prof.
Junjie Wang
(Key Laboratory of Cryogenics, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China)
10/07/2014, 10:30
C-14: New devices and novel concepts
Poster presentation (105min)
In this study, a novel liquid air energy storage system is proposed for electrical power load shifting applications. It is a combination of an air liquefying cycle and a gas-turbine power generation cycle without combustion，including cold-energy regeneration. A thermodynamic calculation is conducted to investigate the performance of this system, and the optimization analysis is performed to...
