Littérature scientifique sur le sujet « Pellet injection »
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Articles de revues sur le sujet "Pellet injection"
Nagami, M. « Pellet injection ». Nuclear Fusion 33, no 10 (octobre 1993) : 1583–87. http://dx.doi.org/10.1088/0029-5515/33/10/413.
Texte intégralWingen, A., B. C. Lyons, R. S. Wilcox, L. R. Baylor, N. M. Ferraro, S. C. Jardin et D. Shiraki. « Simulation of pellet ELM triggering in low-collisionality, ITER-like discharges ». Nuclear Fusion 61, no 12 (18 novembre 2021) : 126059. http://dx.doi.org/10.1088/1741-4326/ac34d7.
Texte intégralSzepesi, Tamás, Albrecht Herrmann, Gábor Kocsis, Ádám Kovács, József Németh et Bernhard Ploeckl. « Table-top pellet injector (TATOP) for impurity pellet injection ». Fusion Engineering and Design 96-97 (octobre 2015) : 707–11. http://dx.doi.org/10.1016/j.fusengdes.2015.01.045.
Texte intégralCombs, S. K. « Pellet injection technology ». Review of Scientific Instruments 64, no 7 (juillet 1993) : 1679–98. http://dx.doi.org/10.1063/1.1143995.
Texte intégralKovács, Á., S. Zoletnik, D. Réfy, G. Papp, S. Hegedűs, T. Szepesi, E. Walcz et al. « Acceleration of cryogenic pellets for Shattered Pellet Injection ». Fusion Engineering and Design 202 (mai 2024) : 114303. http://dx.doi.org/10.1016/j.fusengdes.2024.114303.
Texte intégralSheikh, U. A., D. Shiraki, R. Sweeney, P. Carvalho, S. Jachmich, E. Joffrin, M. Lehnen et al. « Disruption thermal load mitigation with shattered pellet injection on the Joint European Torus (JET) ». Nuclear Fusion 61, no 12 (12 novembre 2021) : 126043. http://dx.doi.org/10.1088/1741-4326/ac3191.
Texte intégralMori, Y., K. Ishii, R. Hanayama, S. Okihara, Y. Kitagawa, Y. Nishimura, O. Komeda et al. « Ten hertz bead pellet injection and laser engagement ». Nuclear Fusion 62, no 3 (3 février 2022) : 036028. http://dx.doi.org/10.1088/1741-4326/ac3d69.
Texte intégralSudo, Shigeru. « Vision of pellet injection experiments. » Kakuyūgō kenkyū 55, no 3 (1986) : 272–82. http://dx.doi.org/10.1585/jspf1958.55.272.
Texte intégralMcFarlane, JD, GJ Judson, RK Turnbull et BR Kempe. « An evaluation of copper-containing soluble glass pellets, copper oxide particles and injectable copper as supplements for cattle and sheep ». Australian Journal of Experimental Agriculture 31, no 2 (1991) : 165. http://dx.doi.org/10.1071/ea9910165.
Texte intégralYuan, Shaohua, Nizar Naitlho, Roman Samulyak, Bernard Pégourié, Eric Nardon, Eric Hollmann, Paul Parks et Michael Lehnen. « Lagrangian particle simulation of hydrogen pellets and SPI into runaway electron beam in ITER ». Physics of Plasmas 29, no 10 (octobre 2022) : 103903. http://dx.doi.org/10.1063/5.0110388.
Texte intégralThèses sur le sujet "Pellet injection"
Böse, Brock (Brock Darrel). « Lithium pellet injection into high pressure magnetically confined plasmas ». Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62642.
Texte intégralCataloged from PDF version of thesis.
Includes bibliographical references (p. 195-201).
The ablation of solid pellets injected into high temperature magnetically confined plasmas is characterized by rapid oscillations in the ablation rate, and the formation of field aligned filaments in the ablatant. High speed imaging of the ablation (> 250, 000 frames/second) during the 2003-2004 campaign revealed that these filament move away from the pellet primarily in the poloidal direction with a characteristic speeds of ~ 5km/s. Significant differences appeared in the filament drifts in RF heated H-mode plasmas compared to ohmic L-mode plasmas. Filaments in ohmic L-mode plasmas moved in both the electron and ion diamagnetic directions while filaments in H-mode move only in the electron diamagnetic direction. Furthermore, the motion of the filaments in L-mode plasmas appeared to be semi-random, with the direction changing randomly from shot to shot, but with a distinct preferred direction during each shot. The susceptibility of the filament's motion to variations in the background plasma conditions indicate that the drift is a result of interactions with the background plasma, and not a result of the internal dynamics of the ablation cloud. Furthermore, the chaotic, or semi-random, nature of the filament drift suggests that the drift could be due to ExB flows resulting from plasma turbulence. A stereoscopic imaging system was installed on Alcator C-Mod to make a detailed study of three dimensional evolution of the filaments. By examining a large number of pellet injections into ohmically heated L-mode plasmas, we were able to demonstrate that filaments do indeed move primarily along flux surfaces, and that the filament flow direction is correlated for sequential filaments. Additionally, a statistical examination of the trajectory data revealed that filaments have a wider distribution of speeds at lower values of the local safety factor, q. The measurements of the stereo-imaging system were compared with the implied turbulent ExB drifts determined by the gyrokinetic solver GYRO. Simulations conducted using profiles consistent with both pre-pellet and post-pellet conditions demonstrate that the filament drifts are more consistent with the turbulent conditions prevalent after the injection, indicating the filament drifts are most likely the result of turbulence generated by the modified plasma profiles from injection process itself.
by Brock Böse.
Ph.D.
Nakamura, Yuji. « A PELLET ABLATION MODEL IN THE PRESENCE OF MULTIPLE ENERGY CARRIERS AND ANALYSES OF PELLET INJECTION EXPERIMENTS ». Kyoto University, 1986. http://hdl.handle.net/2433/74692.
Texte intégralGarnier, Darren Thomas. « Lithium pellet injection experiments on the Alcator C-Mod Tokamak ». Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/39753.
Texte intégralGeulin, Eléonore. « Contribution to the modeling of pellet injection : from the injector to ablation in the plasma ». Electronic Thesis or Diss., Aix-Marseille, 2023. http://www.theses.fr/2023AIXM0066.
Texte intégralThe preferred method of fueling fusion device is the use of D and/or T pellets injected into the plasma. They are currently used, but the results cannot be extrapolated to future larger reactors where the design of the injection system and the construction of scenarios will be mainly based on simulations. It is therefore important to fill in the gaps in the existing models from the manufacture of pellets to the deposition of material in the plasma. Two lacks of knowledge appear: the modeling of the pellet transport in the injection pipe and the validation of the ablation process. This work aims to fill these gaps and consists of 3 parts.- Describe the physics of material deposition, then the state of the art of the main results and finally the description of the pellet injection systems planned for the next machines.- Model the transport of the pellet in the injection pipe. The effects taken into account in the model are the weakening of the ice during rebounds, the increase in its temperature and its erosion. The model gives in particular the slowing down and the loss of mass of the pellet during the journey, as well as the stored elastic energy linked to its integrity on leaving the tube.- Contribute to the validation of the HPI2 ablation code, by comparing its predictions to data measured in ablation clouds. The method used is a calculation of synthetic data sets from simulations and comparing them to measurements. This method made it possible to validate the assumptions and approximations of the ablation model
Gomez, Camilo Ciro. « Study of electron temperature evolution during sawtoothing and pellet injection using thermal electron cyclotron emission in the Alcator C tokamak ». Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/15195.
Texte intégralUrbahn, John A. (John Arthur). « The design and performance of a twenty barrel hydrogen pellet injector for Alcator C-Mod ». Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/11627.
Texte intégralTeixeira, Carlos Mariz de Oliveira. « Desenvolvimento e utilização de um injetor de pastilhas de impurezas no estudo da mitigação de disrupções e atenuação de raios-X de altas energias ». Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-18112008-150605/.
Texte intégralAn impurity pellet injector has been projected, built and installed in the TCABR tokamak, at the Physics Institute of Physics of the University of São Paulo - USP. Basically, the injector is composed of a high pressure gas chamber, in which the gas flow (N2 or He) is controlled by a fast switch valve. An high voltage (7kA) and high electric current (6kA) power supply has been built to provide energy for the valve. When fired, the propellant gas move the pellet into the interior of the tokamak vessel. During this process, the gas is properly collected before reaching the tokamak vacuum chamber. For this work, cylindrical carbon pellets with 0,4mm to 0,9mm in diameter and 0,5mm to 1mm in length were chosen as to investigate how the hazardous effects of a major disruption could be mitigated. The pellet ablation process in TCABR was studied trough running simulations that take into account, in a simplified way, the cooling of the plasma by the propagating pellet. The model, when applied to the T-10 tokamak experimental data, for example, exhibited very encouraging results. For the TCABR tokamak, in most of the cases in which pellets were injected, the plasma was terminated because of the advent of a major disruption. By analyzing the plasma current decay rate in two time intervals - within the end of plasma discharges, with and without the injection of pellets, it was observed that the plasma current decays significantly slower when pellets are injected. Consequently the load on the tokamak\'s electromechanical systems is reduced. Fourier analysis has been carried out to investigate the MHD activity near the disruption time, caused by the pellet injection. It could be noticed a reduction on the magnetic island\'s velocity rotation, after the pellet-plasma interaction initiates. Also, for all discharges analyzed, the MHD activities increased in amplitude after the pellet-plasma interaction. Another interesting result refers to the fact that the hard X-ray emission was observed to decrease significantly within the end of discharges in which pellets were injected
Gebhart, Gerald Edward III. « A Computational Study of A Lithium Deuteride Fueled Electrothermal Plasma Mass Accelerator ». Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/23223.
Texte intégralIn magnetic or inertial fusion reactors, hydrogen, its isotopes, and lithium are used as fusion fueling materials. Lithium is considered a fusion fuel and not an impurity in fusion reactors as it can be used to produce fusion energy and breed fusion products. Lithium hydride and lithium deuteride may serve as good ablating sleeves for plasma formation in an ablation-dominated electrothermal plasma source to propel fusion pellets. Previous studies have shown that pellet exit velocities, greater 3 km/s, are possible using low-z propellant materials. In this work, a comprehensive study of solid lithium hydride and deuteride as a pellet propellant is conducted using the ETFLOW code, and relationships between propellants, source and barrel geometry, pellet volume and aspect ratio, and pellet velocity are determined for pellets ranging in volume from 1 to 100 mm3.
Master of Science
貴保, 藤浦, et Takayasu Fujiura. « 天然長繊維強化熱可塑性生分解樹脂複合材料における成形プロセス最適化に関する研究 ». Thesis, https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12936621/?lang=0, 2015. https://doors.doshisha.ac.jp/opac/opac_link/bibid/BB12936621/?lang=0.
Texte intégral'Green Composites' have been attracting attention due to their high sustainability and carbon neutrality. This study investigated the preparation process for composites of long jute fiber reinforced polylactic acid by LFT-pellet manufacturing method followed by injection molding. The author explored effect of several factors, such as moisture in fiber, heat decomposition of fiber at processing and the level of fiber dispersion in matrix resin, on mechanical properties of composites. The author eventually proposed the optimized process and operating windows for attaining higher mechanical properties of composites.
博士(工学)
Doctor of Philosophy in Engineering
同志社大学
Doshisha University
Liu, Chiang-Hsing, et 劉江興. « A Study on Process and Properties of Metallized Plastic Pellet and Injection Molding Thereof ». Thesis, 1998. http://ndltd.ncl.edu.tw/handle/51468433160452630514.
Texte intégral淡江大學
機械工程學系
86
The research had used the metallized plastic of the ABS + 20wt%PC / Al flake with three different weight percentages (20wt5, 27wt%, 33wt5). Using the design of three - zone screw in the injection molding, and get the average aspect ratio of Al flake is 156. Using the design of progressive screw in the injection molding, and get the averge aspect ratio of Al flake is 198. Using the injection molding to get the tensile, impact and shielding test specimens, and discussing the microstructure and the effect of the content and aspect ratio of Al flake. From the result, the Al flakes are piled up easily in the injector, and the degree of piling up increases by adding the content of Al flake. In the EMI testing specimen, the pile - up situation is modified in the fanshaped runner and the sheet gate, but there are still clusters of Al flake in the gate (single pointed gate) of the tensile and impact. The impact strength, shielding effectiveness and HDT are increased with the rise of aspect ratio, but the volume resistivity and tensile strength go opposite. The HDT and the shielding effectiveness are increased with the adding of the content of Al flake, but the volume resistivity, tensile strength, and impact strength go contrary.
Livres sur le sujet "Pellet injection"
Xue, Ming-Lun. Considerations of Several Real Effects in Pneumatic Pellet Injection Processes. Roskilde : Riso National Laboratory, 1987.
Trouver le texte intégralChapitres de livres sur le sujet "Pellet injection"
Sudo, S., T. Baba, M. Kanno, H. Zushi, F. Sano, K. Kondo, T. Mizuuchi et al. « PELLET INJECTION EXPERIMENTS ON HELIOTRON E AND DEVELOPMENTS OF HIGH SPEED PELLET INJECTOR ». Dans Fusion Technology 1992, 656–60. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-89995-8.50125-9.
Texte intégralREGGIORI, Adolfo, Giulio RIVA, Giambattista DAMINELLI, Francesco SCARAMUZZI et Antonio FRATTOLILLO. « IMPROVED TWO-STAGE GUN FOR PELLET INJECTION ». Dans Fusion Technology 1988, 733–37. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-444-87369-9.50117-7.
Texte intégralLang, P. T., M. Alexander, C. Andelfinger, P. Cierpka, R. S. Lang et V. Mertens. « A CENTRIFUGE FOR HIGH-SPEED PELLET INJECTION ». Dans Fusion Technology 1994, 641–44. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-444-82220-8.50128-x.
Texte intégralONOZUKA, M., Y. ODA, S. KURIBAYASHI, K. AZUMA, K. SATAKE, S. KASAI et K. HASEGAWA. « DEVELOPMENT OF RAILGUN SYSTEM FOR HIGH-SPEED PELLET INJECTION ». Dans Fusion Technology 1992, 599–603. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-444-89995-8.50113-2.
Texte intégralSudo, S., M. Kanno, H. Kaneko et H. Yamada. « HIGH SPEED PELLET INJECTION SYSTEM “HIPEL” FOR LARGE HELICAL DEVICE ». Dans Fusion Technology 1994, 649–52. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-444-82220-8.50130-8.
Texte intégralKURIBAYASHI, S., M. ONOZUKA, Y. ODA, M. OGINO, K. SHIMIZU, H. TAMURA, A. SAWAOKA et S. KASAI. « DEVELOPMENT OF RAILGUN SYSTEM TO PELLET INJECTION FOR FUSION REACTOR REFUELING ». Dans Fusion Technology 1990, 660–64. Elsevier, 1991. http://dx.doi.org/10.1016/b978-0-444-88508-1.50116-x.
Texte intégral« Industrial Application of Extrusion for Development of Snack Products Including Co-Injection and Pellet Technologies ». Dans Advances in Food Extrusion Technology, 273–90. CRC Press, 2016. http://dx.doi.org/10.1201/b11286-16.
Texte intégralSaddem, Mourad, Ahmed Koubaa et Bernard Riedl. « Properties of High-Density Polyethylene-Polypropylene Wood Composites ». Dans Biocomposites. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.101282.
Texte intégralSØRENSEN, H., P. ENGBæK, A. NORDSKOV, B. SASS, P. VILLORESI et K.-V. WEISBERG. « A MULTISHOT PELLET INJECTOR DESIGN ». Dans Fusion Technology 1988, 704–8. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-444-87369-9.50111-6.
Texte intégralCOMBS, S. K., C. A. FOSTER, S. L. MILORA, D. D. SCHURESKO, M. J. GOUGE, P. W. FISHER, B. E. ARGO et al. « PELLET INJECTOR RESEARCH AT ORNL ». Dans Fusion Technology 1988, 709–14. Elsevier, 1989. http://dx.doi.org/10.1016/b978-0-444-87369-9.50112-8.
Texte intégralActes de conférences sur le sujet "Pellet injection"
Baylor, L. R., S. K. Combs, R. C. Duckworth, M. S. Lyttle, S. J. Meitner, D. A. Rasmussen et S. Maruyama. « Pellet injection technology and applications on ITER ». Dans 2015 IEEE 26th Symposium on Fusion Engineering (SOFE). IEEE, 2015. http://dx.doi.org/10.1109/sofe.2015.7482362.
Texte intégralMurakami, Masuo, Yuqiu Yang et Hiroyuki Hamada. « Mechanical Properties of Jute/PLA Injection Molded Products-All Natural Composites ». Dans ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-62819.
Texte intégralMeitner, S. J., L. R. Baylor, S. K. Combs, D. T. Fehling, J. M. McGill, D. A. Rasmussen et J. W. Leachman. « Twin-screw extruder development for the ITER pellet injection system ». Dans 2009 23rd IEEE/NPSS Symposium on Fusion Engineering - SOFE. IEEE, 2009. http://dx.doi.org/10.1109/fusion.2009.5226408.
Texte intégralErofeev, A., Tatiana Lapushkina, Serguei Poniaev, Roman Kurakin et Boris Zhukov. « Flow Around Different Bodies at the Pellet or Plasma Jet Injection ». Dans 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. Reston, Virigina : American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-1027.
Texte intégralCombs, S. K., C. R. Foust, J. M. McGill, L. R. Baylor, J. B. O. Caughman, D. T. Fehling, J. H. Harris et al. « A new four-barrel pellet injection system for the TJ-II stellarator ». Dans 2011 IEEE 24th Symposium on Fusion Engineering (SOFE). IEEE, 2011. http://dx.doi.org/10.1109/sofe.2011.6052244.
Texte intégralSudo, S. « New Multi-functional Diagnostic Method with Tracer-encapsulated Pellet Injection on LHD ». Dans ATOMIC AND MOLECULAR DATA AND THEIR APPLICATIONS : Joint Meeting of 14th Internat. Toki Conf. on Plasma Physics and Controlled Nuclear Fusion (ITC14) ; and 4th Internat. Conf. on Atomic and Molecular Data and Their Applications (ICAMDATA2004). AIP, 2005. http://dx.doi.org/10.1063/1.1944688.
Texte intégralNie, Zisen, Zhongyong Chen, Wei Yan, Shengguo Xia, Yinlong Yu, Guina Zou et Fanxi Liu. « Velocity control of Electromagnetic pellet injection based on genetic algorithm in J-TEXT ». Dans 2023 IEEE 4th China International Youth Conference On Electrical Engineering (CIYCEE). IEEE, 2023. http://dx.doi.org/10.1109/ciycee59789.2023.10401778.
Texte intégralTang, Junhui, Feng Li, Weikang Zhang, Shengguo Xia et Junjia He. « Analysis of C-armature Deceleration Performance of Electromagnetic Pellet Injection System on J-TEXT Tokamak ». Dans 2022 IEEE 3rd China International Youth Conference on Electrical Engineering (CIYCEE). IEEE, 2022. http://dx.doi.org/10.1109/ciycee55749.2022.9959064.
Texte intégralGarcía de la Camacha, A., E. Tabares, A. Jiménez-Morales, S. Schsuchnigg, C. Kukla, S. Cano et E. Gordo. « Validation Of Alternative Binders for Pellet Extrusion 3D Printing Of 316L Steels ». Dans Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235763690.
Texte intégralYamaguchi, Takazumi, Teruou Takayama, Atsushi Kamitani et Hiroaki Ohtani. « Equivalent-Circuit Model for Axisymmetric High-Temperature Superconducting Film : Application to Contactless jC Measurement System and Pellet Injection System ». Dans 2019 22nd International Conference on the Computation of Electromagnetic Fields (COMPUMAG). IEEE, 2019. http://dx.doi.org/10.1109/compumag45669.2019.9032731.
Texte intégralRapports d'organisations sur le sujet "Pellet injection"
Marmar, E. S. Impurity pellet injection experiments at TFTR. Office of Scientific and Technical Information (OSTI), janvier 1992. http://dx.doi.org/10.2172/6888609.
Texte intégralGouge, M. J., I. C. Gomes, L. T. Gomes et P. N, Stevens. Radiation analysis of the ITER pellet injection system. Office of Scientific and Technical Information (OSTI), mars 1991. http://dx.doi.org/10.2172/6134252.
Texte intégralMarmar, E. S. Impurity pellet injection experiments at TFTR. Final performance report. Office of Scientific and Technical Information (OSTI), décembre 1992. http://dx.doi.org/10.2172/10103315.
Texte intégralCombs, S. K., L. R. Baylor, C. R. Foust, M. J. Gouge, T. C. Jernigan et S. L. Milora. Experimental study of curved guide tubes for pellet injection. Office of Scientific and Technical Information (OSTI), décembre 1997. http://dx.doi.org/10.2172/554870.
Texte intégralM.J. Gouge et P.W. Fisher. Development of a Tritium Extruder for ITER Pellet Injection. Office of Scientific and Technical Information (OSTI), septembre 1998. http://dx.doi.org/10.2172/1176.
Texte intégralJassby, D. L., D. K. Mansfield et M. G. Bell. High-performance supershots in TFTR with lithium pellet injection. Office of Scientific and Technical Information (OSTI), septembre 1993. http://dx.doi.org/10.2172/10189887.
Texte intégralStrachan, J. D., D. K. Mansfield et M. G. Bell. Wall conditioning experiments on TFTR using impurity pellet injection. Office of Scientific and Technical Information (OSTI), novembre 1993. http://dx.doi.org/10.2172/10116246.
Texte intégralGarnier, Darren Thomas. Lithium pellet injection experiments on the Alcator C-Mod tokamak. Office of Scientific and Technical Information (OSTI), juin 1996. http://dx.doi.org/10.2172/448074.
Texte intégralHeidbrink, W. W. Energetic ion diagnostics using neutron flux measurements during pellet injection. Office of Scientific and Technical Information (OSTI), janvier 1986. http://dx.doi.org/10.2172/6020775.
Texte intégralR. Samtaney, S.C. Jardin, P. Colella et D.F. Martin. 3D Adaptive Mesh Refinement Simulations of Pellet Injection in Tokamaks. Office of Scientific and Technical Information (OSTI), octobre 2003. http://dx.doi.org/10.2172/820114.
Texte intégral