Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons


Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons
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Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons


Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons
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Author : Zhang, Jianghua
language : en
Publisher: KIT Scientific Publishing
Release Date : 2016-11-30

Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons written by Zhang, Jianghua 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 2016-11-30 with categories.




Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons


Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons
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Author : Jianghua Zhang
language : en
Publisher:
Release Date : 2020-10-09

Influence Of Emitter Surface Roughness And Emission Inhomogeneity On Efficiency And Stability Of High Power Fusion Gyrotrons written by Jianghua Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Science categories.


The increasing demand for powerful, reliable, and efficient gyrotron oscillators for Electron Cyclotron Resonance Heating (ECRH) in fusion plasma experiments requires a close look at the various factors in gyrotrons that determine gyrotron performance. In this frame, the influence of emitter surface roughness, emission inhomogeneity, and secondary electron generation on gyrotron operation is presented, with focus on Low Frequency Oscillations (LFOs) and Electron Beam Halo (EBH) generation. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.



Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo


Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo
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Author : Kalaria, Parth Chandulal
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-11-08

Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo written by Kalaria, Parth Chandulal 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 2017-11-08 with categories.




Systematic Study Of Key Components For A Coaxial Cavity Gyrotron For Demo


Systematic Study Of Key Components For A Coaxial Cavity Gyrotron For Demo
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Author : Franck, Joachim
language : en
Publisher: KIT Scientific Publishing
Release Date : 2017-05-11

Systematic Study Of Key Components For A Coaxial Cavity Gyrotron For Demo written by Franck, Joachim 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 2017-05-11 with categories.




Energy Efficient Scalable And Modular Industrial Microwave Applicator For High Temperature Alkaline Hydrolysis Of Pet


Energy Efficient Scalable And Modular Industrial Microwave Applicator For High Temperature Alkaline Hydrolysis Of Pet
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Author : Ramopoulos, Vasileios
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-01-27

Energy Efficient Scalable And Modular Industrial Microwave Applicator For High Temperature Alkaline Hydrolysis Of Pet written by Ramopoulos, Vasileios 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 2023-01-27 with Technology & Engineering categories.


Microwave-assisted alkaline hydrolysis of PET can be 20 times faster and at lower temperatures. This work presents a novel industrial microwave applicator at 2.45 GHz with homogeneous distribution to support this reaction, which allows an efficient and continuous operation. In addition, an innovative dielectric and calorimetric measurements setup is presented. Furthermore, the modelling of the reaction kinetics based on the measured dielectric parameters is presented.



A First 2 Mw Class 136 170 204 Ghz Multi Frequency Gyrotron Pre Prototype For Demo Design Construction And Key Components Verification


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.



A High Voltage Pulsed Power Modulator For Fast Rising Arbitrary Waveforms


A High Voltage Pulsed Power Modulator For Fast Rising Arbitrary Waveforms
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Author : Hochberg, Martin
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-02-19

A High Voltage Pulsed Power Modulator For Fast Rising Arbitrary Waveforms written by Hochberg, Martin 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 2020-02-19 with Technology & Engineering categories.




Pushing The Kit 2 Mw Coaxial Cavity Short Pulse Gyrotron Towards A Demo Relevant Design


Pushing The Kit 2 Mw Coaxial Cavity Short Pulse Gyrotron Towards A Demo Relevant Design
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Author : Ruess, Sebastian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2021-01-22

Pushing The Kit 2 Mw Coaxial Cavity Short Pulse Gyrotron Towards A Demo Relevant Design written by Ruess, Sebastian 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 2021-01-22 with Technology & Engineering categories.


Magnetic fusion is one approach to generate thermonuclear fusion power in an environmental friendly way. The Electron Cyclotron Resonance Heating is considered as the major concept for startup, heating and control of the fusion plasma. Megawatt-class gyrotrons generate the required microwave power. This work focuses on advanced key components and technologies for a DEMO relevant 2 MW gyrotron. One major focus is on the development of advanced Magnetron Injection Guns. Another focus is on the red



New Type Of Sub Thz Oscillator And Amplifier Systems Based On Helical Type Gyro Twts


New Type Of Sub Thz Oscillator And Amplifier Systems Based On Helical Type Gyro Twts
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Author : Marek, Alexander
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-01-26

New Type Of Sub Thz Oscillator And Amplifier Systems Based On Helical Type Gyro Twts written by Marek, Alexander 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 2023-01-26 with Technology & Engineering categories.


This work presents the development of a new sub-THz source for the generation of trains of coherent high-power ultra-short pulses at 263 GHz via passive mode-locking of two coupled helical gyro-TWTs. For the first time, it is shown that the operation of such passive mode-locked helical gyro-TWTs in the hard excitation regime is of particular importance to reach the optimal coherency of the generated pulses. This could be of particular interest for some new time-domain DNP-NMR methods.



Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies


Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies
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Author : Malygin, Anton
language : en
Publisher: KIT Scientific Publishing
Release Date : 2016-12-16

Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies written by Malygin, Anton 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 2016-12-16 with categories.