A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification
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A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification
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Author : Ruess, Tobias
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-10-26
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification written by Ruess, Tobias and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-10-26 with categories.
Ein Gyrotron wird in magnetisch eingeschlossenen Plasmaexperimenten für Heizung, Stromtrieb, Plasmastabilisierung und Plasmadiagnostik verwendet. In dieser Arbeit wird der erste Entwurf und Bau eines Mehrfrequenz-/Mehrzweck Pre-Prototyp Gyrotrons in koaxialer Technologie vorgestellt, das bei (136)/170/204 GHz mit einer Ausgangsleistung von 2 MW arbeitet. Dies ist der erste Schritt zum Betrieb bei Frequenzen bis zu 240 GHz unter Verwendung der Koaxialhohlraum-Gyrotrontechnologie. - A gyrotron is used in magnetically confined plasma experiments for heating, current drive, plasma stabilization and plasma diagnostics. This work presents the first design and construction of a multi-frequency / multi-purpose coaxial-cavity pre-prototype gyrotron operating at (136)/170/204 GHz with an output power of 2 MW. It is the first step towards operating frequencies up to 240 GHz using the coaxial-cavity gyrotron technology.
Automated Mode Recovery And Electronic Stability Control For Wendelstein 7 X Gyrotrons
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Author : Wilde, Fabian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2024-08-07
Automated Mode Recovery And Electronic Stability Control For Wendelstein 7 X Gyrotrons written by Wilde, Fabian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-07 with categories.
Magnetic confinement fusion relies on plasma heating and plasma control using gyrotron oscillators providing at megawatt power levels. The operational reliability decreases when operating at the performance limits due to increasing parasitic mode activity. This work demonstrates for the first time the automated, fast recovery of nominal gyrotron operation during a pulse by exploiting the hysteretic gyrotron behaviour after a mode switch being in use at the Wendelstein 7-X ECRH facility.
Multphysics Modelling Towards The Stabilization Of Pan Fibers With Microwaves Based On Experimental Data
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Author : Hofele, Julia
language : en
Publisher: KIT Scientific Publishing
Release Date : 2024-07-10
Multphysics Modelling Towards The Stabilization Of Pan Fibers With Microwaves Based On Experimental Data written by Hofele, Julia and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-10 with categories.
High energy demand is one reason for high costs of carbon fibers. One option to decrease them is to use microwave heating instead of conventional heating. In this work, steps towards a microwave assisted process during the stabilization phase are presented. In-situ dielectric measurements are performed and a reaction kinetics model is setup in connection to the dielectric loss. This allows to calculate a stabilization degree and fiber temperatures leading to a basic process understanding.
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification
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Author : Tobias Ruess
language : en
Publisher:
Release Date : 2023
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification written by Tobias Ruess and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Fyrotron Pre Prototype For Demo
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Author : Tobias Ruess
language : en
Publisher:
Release Date : 2023*
A First 2 Mw Class 136 170 204 Ghz Multi Frequency Fyrotron Pre Prototype For Demo written by Tobias Ruess and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023* with categories.
Fusion Neutronics
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Author : Yican Wu
language : en
Publisher: Springer
Release Date : 2017-08-16
Fusion Neutronics written by Yican Wu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-16 with Science categories.
This book provides a systematic and comprehensive introduction to fusion neutronics, covering all key topics from the fundamental theories and methodologies, as well as a wide range of fusion system designs and experiments. It is the first-ever book focusing on the subject of fusion neutronics research. Compared with other nuclear devices such as fission reactors and accelerators, fusion systems are normally characterized by their complex geometry and nuclear physics, which entail new challenges for neutronics such as complicated modeling, deep penetration, low simulation efficiency, multi-physics coupling, etc. The book focuses on the neutronic characteristics of fusion systems and introduces a series of theories and methodologies that were developed to address the challenges of fusion neutronics. Further, it introduces readers to the unique principles and procedures of neutronics design, experimental methodologies and methodologies for fusion systems. The book not only highlights the latest advances and trends in the field, but also draws on the experiences and skills collected in the author’s more than 40 years of research. To make it more accessible and enhance its practical value, various representative examples are included to illustrate the application and efficiency of the methods, designs and experimental techniques discussed.
Advancements In Electric Machines
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Author : J. F. Gieras
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-11-14
Advancements In Electric Machines written by J. F. Gieras and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11-14 with Technology & Engineering categories.
Traditionally, electrical machines are classi?ed into d. c. commutator (brushed) machines, induction (asynchronous) machines and synchronous machines. These three types of electrical machines are still regarded in many academic curricula as fundamental types, despite that d. c. brushed machines (except small machines) have been gradually abandoned and PM brushless machines (PMBM) and switched reluctance machines (SRM) have been in mass p- duction and use for at least two decades. Recently, new topologies of high torque density motors, high speed motors, integrated motor drives and special motors have been developed. Progress in electric machines technology is stimulated by new materials, new areas of applications, impact of power electronics, need for energy saving and new technological challenges. The development of electric machines in the next few years will mostly be stimulated by computer hardware, residential and public applications and transportation systems (land, sea and air). At many Universities teaching and research strategy oriented towards el- trical machinery is not up to date and has not been changed in some co- tries almost since the end of the WWII. In spite of many excellent academic research achievements, the academia–industry collaboration and technology transfer are underestimated or, quite often, neglected. Underestimation of the role of industry, unfamiliarity with new trends and restraint from technology transfer results, with time, in lack of external ?nancial support and drastic - cline in the number of students interested in Power Electrical Engineering.
Nuclear Fusion
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Author : C.M. Braams
language : en
Publisher: CRC Press
Release Date : 2002-06-20
Nuclear Fusion written by C.M. Braams and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-20 with Science categories.
Fusion research started over half a century ago. Although the task remains unfinished, the end of the road could be in sight if society makes the right decisions. Nuclear Fusion: Half a Century of Magnetic Confinement Fusion Research is a careful, scholarly account of the course of fusion energy research over the past fifty years. The authors outline the different paths followed by fusion research from initial ignorance to present understanding. They explore why a particular scheme would not work and why it was more profitable to concentrate on the mainstream tokamak development. The book features descriptive sections, in-depth explanations of certain physical and technical issues, scientific terms, and an extensive glossary that explains relevant abbreviations and acronyms.
Handbook Of Terahertz Technologies
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Author : Ho-Jin Song
language : en
Publisher: CRC Press
Release Date : 2015-04-15
Handbook Of Terahertz Technologies written by Ho-Jin Song and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-15 with Science categories.
Terahertz waves, which lie in the frequency range of 0.1-10 THz, have long been investigated in a few limited fields, such as astronomy, because of a lack of devices for their generation and detection. Several technical breakthroughs made over the last couple of decades now allow us to radiate and detect terahertz waves more easily, which has trigg
History Of Wireless
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Author : T. K. Sarkar
language : en
Publisher: John Wiley & Sons
Release Date : 2006-01-30
History Of Wireless written by T. K. Sarkar and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-30 with Technology & Engineering categories.
Important new insights into how various components and systems evolved Premised on the idea that one cannot know a science without knowing its history, History of Wireless offers a lively new treatment that introduces previously unacknowledged pioneers and developments, setting a new standard for understanding the evolution of this important technology. Starting with the background-magnetism, electricity, light, and Maxwell's Electromagnetic Theory-this book offers new insights into the initial theory and experimental exploration of wireless. In addition to the well-known contributions of Maxwell, Hertz, and Marconi, it examines work done by Heaviside, Tesla, and passionate amateurs such as the Kentucky melon farmer Nathan Stubblefield and the unsung hero Antonio Meucci. Looking at the story from mathematical, physics, technical, and other perspectives, the clearly written text describes the development of wireless within a vivid scientific milieu. History of Wireless also goes into other key areas, including: The work of J. C. Bose and J. A. Fleming German, Japanese, and Soviet contributions to physics and applications of electromagnetic oscillations and waves Wireless telegraphic and telephonic development and attempts to achieve transatlantic wireless communications Wireless telegraphy in South Africa in the early twentieth century Antenna development in Japan: past and present Soviet quasi-optics at near-mm and sub-mm wavelengths The evolution of electromagnetic waveguides The history of phased array antennas Augmenting the typical, Marconi-centered approach, History of Wireless fills in the conventionally accepted story with attention to more specific, less-known discoveries and individuals, and challenges traditional assumptions about the origins and growth of wireless. This allows for a more comprehensive understanding of how various components and systems evolved. Written in a clear tone with a broad scientific audience in mind, this exciting and thorough treatment is sure to become a classic in the field.