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

DOWNLOAD

Download Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies PDF/ePub or read online books in Mobi eBooks. Click Download or Read Online button to get Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies book now. This website allows unlimited access to, at the time of writing, more than 1.5 million titles, including hundreds of thousands of titles in various foreign languages. If the content not found or just blank you must refresh this page

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

DOWNLOAD
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 Technology (General) categories.

Gyrotrons are high-power mm-wave tubes. Here, the design, construction and experimental investigation of a 20 kW, 28 GHz gyrotron (2nd harmonic) are reported. This tube was designed to evaluate new emitters for future highly efficient and reliable fusion gyrotrons and for material processing applications. Following experimental results have been achieved in CW operation: 22.5 kW output power at 23.4 kV electron beam voltage and 2.23 A beam current with the world record efficiency of 43 %.

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

DOWNLOAD
Author : Anton Malygin
language : en
Publisher:
Release Date : 2020-10-09

Design And Experimental Investigation Of A Second Harmonic 20 Kw Class 28 Ghz Gyrotron For Evaluation Of New Emitter Technologies written by Anton Malygin 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 Technology & Engineering categories.

Gyrotrons are high-power mm-wave tubes. Here, the design, construction and experimental investigation of a 20 kW, 28 GHz gyrotron (2nd harmonic) are reported. This tube was designed to evaluate new emitters for future highly efficient and reliable fusion gyrotrons and for material processing applications. Following experimental results have been achieved in CW operation: 22.5 kW output power at 23.4 kV electron beam voltage and 2.23 A beam current with the world record efficiency of 43 %. 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.

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

DOWNLOAD
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

DOWNLOAD
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

DOWNLOAD
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.

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

DOWNLOAD
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

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

DOWNLOAD
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 Technology (General) categories.

The DEMOnstration fusion power plant (DEMO) will be the first fusion reactor, which is intended to generate net electrical power. For successful operation of DEMO, high-power gyrotrons with operating frequencies up to 240 GHz are required for plasma heating and stabilization. In this work, a systematic feasibility study and tolerance analysis are performed for the conventional-type hollow-cavity DEMO gyrotrons. The various approaches are also suggested to identify its operational limits.

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

DOWNLOAD
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.

Conceptual Studies Of Multistage Depressed Collectors For Gyrotrons

DOWNLOAD
Author : Wu, Chuanren
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-09-09

Conceptual Studies Of Multistage Depressed Collectors For Gyrotrons written by Wu, Chuanren 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 2019-09-09 with Technology & Engineering categories.

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

DOWNLOAD
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.