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Systematic Study of Key Components for a Coaxial-Cavity Gyrotron for DEMO

2017-05-11 Technology (General)
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Release : 2017-05-11
Genre : Technology (General)
Kind : eBook
Book Rating : 521/5 ( reviews)

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Book Synopsis Systematic Study of Key Components for a Coaxial-Cavity Gyrotron for DEMO by : Franck, Joachim

Download or read book Systematic Study of Key Components for a Coaxial-Cavity Gyrotron for DEMO written by Franck, Joachim. This book was released on 2017-05-11. Available in PDF, EPUB and Kindle. Book excerpt: The physical design of cavity and magnetron injection gun (MIG) for a realistic, DEMO-compatible, coaxial-cavity 238 GHz 2 MW CW fusion gyrotron is developed in this work, having auxiliary frequencies at 170 GHz and 204 GHz. Novel systematic approaches towards multi-frequency mode selection, magnet requirements, and MIG design are presented. Mode deterioration and voltage depression variation due to insert misalignment versus cavity wall and/or versus electron beam are studied.

Pushing the KIT 2 MW Coaxial-Cavity Short-Pulse Gyrotron Towards a DEMO Relevant Design

2021-01-22 Technology & Engineering
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Release : 2021-01-22
Genre : Technology & Engineering
Kind : eBook
Book Rating : 243/5 ( reviews)

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Book Synopsis Pushing the KIT 2 MW Coaxial-Cavity Short-Pulse Gyrotron Towards a DEMO Relevant Design by : Ruess, Sebastian

Download or read book Pushing the KIT 2 MW Coaxial-Cavity Short-Pulse Gyrotron Towards a DEMO Relevant Design written by Ruess, Sebastian. This book was released on 2021-01-22. Available in PDF, EPUB and Kindle. Book excerpt: 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

A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification

2023-10-26
Download A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification PDF Online Free

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Release : 2023-10-26
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Kind : eBook
Book Rating : 099/5 ( reviews)

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Book Synopsis A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification by : Ruess, Tobias

Download or read book 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. This book was released on 2023-10-26. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Feasibility and Operational Limits for a 236 GHz Hollow-Cavity Gyrotron for DEMO

2017-11-08 Technology (General)
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Release : 2017-11-08
Genre : Technology (General)
Kind : eBook
Book Rating : 17X/5 ( reviews)

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Book Synopsis Feasibility and Operational Limits for a 236 GHz Hollow-Cavity Gyrotron for DEMO by : Kalaria, Parth Chandulal

Download or read book Feasibility and Operational Limits for a 236 GHz Hollow-Cavity Gyrotron for DEMO written by Kalaria, Parth Chandulal. This book was released on 2017-11-08. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons

2024-08-07
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Release : 2024-08-07
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Book Rating : 606/5 ( reviews)

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Book Synopsis Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons by : Wilde, Fabian

Download or read book Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons written by Wilde, Fabian. This book was released on 2024-08-07. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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