Feasibility And Operational Limits For A 236 Ghz Hollow Cavity Gyrotron For Demo PDF Download
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Author | : Kalaria, Parth Chandulal |
Publisher | : KIT Scientific Publishing |
Total Pages | : 270 |
Release | : 2017-11-08 |
Genre | : Technology (General) |
ISBN | : 373150717X |
Download Feasibility and Operational Limits for a 236 GHz Hollow-Cavity Gyrotron for DEMO Book in PDF, ePub and Kindle
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.
Author | : Christopher E.S. Warburton |
Publisher | : Routledge |
Total Pages | : 0 |
Release | : 2020-05-20 |
Genre | : Business & Economics |
ISBN | : 9781000073584 |
Download Economic Analysis and Law Book in PDF, ePub and Kindle
A comprehensive presentation of the use of economics in judicial decisions, the book is structured to provide all the foundational concepts that are important for the application of economics to the development and interpretation of statutes that emanate from economic conditions. The diversity of the economic field defines the scope of the book and its relevance to the study of law and rule adjudication. Beyond the positive dimensions of law and economics, the book evaluates the normative aspects of law and economics when laws are imprecise, and markets are inefficient. The ethical scope of transactions and rule adjudication are further considered in the context of professional ethics and the rationale for ethical considerations in the practice of law and economics. It presents a unique analysis of law, finance, and economics, by taking a look at the intricate quantitative requirements that are essential for scientific knowledge in the courtroom and the international dimensions of the practice of law and economics beyond municipal frontiers. It alerts entrepreneurs to risk exposures in the global economy and provides foundational information for readers who are also interested in international law and economics, and the essence and interpretations of international conventions appertaining to money, expropriation, the environment, and investments in international financial markets. This book is a useful reference for both undergraduate and graduate students who are interested in law and economics, forensic economics, corporate white-collar crime, and legal studies. It is also valuable for certificate programs for paralegals who wish to have a basic understanding of economic and financial concepts.
Author | : Ruess, Tobias |
Publisher | : KIT Scientific Publishing |
Total Pages | : 258 |
Release | : 2023-10-26 |
Genre | : |
ISBN | : 3731513099 |
Download A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification Book in PDF, ePub and Kindle
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.
Author | : Ruess, Sebastian |
Publisher | : KIT Scientific Publishing |
Total Pages | : 190 |
Release | : 2021-01-22 |
Genre | : Technology & Engineering |
ISBN | : 3731510243 |
Download Pushing the KIT 2 MW Coaxial-Cavity Short-Pulse Gyrotron Towards a DEMO Relevant Design Book in PDF, ePub and Kindle
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
Author | : Wilde, Fabian |
Publisher | : KIT Scientific Publishing |
Total Pages | : 272 |
Release | : 2024-08-07 |
Genre | : |
ISBN | : 3731511606 |
Download Automated Mode Recovery and Electronic Stability Control for Wendelstein 7-X Gyrotrons Book in PDF, ePub and Kindle
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.
Author | : Hofele, Julia |
Publisher | : KIT Scientific Publishing |
Total Pages | : 174 |
Release | : 2024-07-10 |
Genre | : |
ISBN | : 3731513501 |
Download MultPhysics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data Book in PDF, ePub and Kindle
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.
Author | : Ramopoulos, Vasileios |
Publisher | : KIT Scientific Publishing |
Total Pages | : 162 |
Release | : 2023-01-27 |
Genre | : Technology & Engineering |
ISBN | : 3731510995 |
Download Energy-efficient, scalable and modular industrial microwave applicator for high temperature alkaline hydrolysis of PET Book in PDF, ePub and Kindle
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.
Author | : Marek, Alexander |
Publisher | : KIT Scientific Publishing |
Total Pages | : 322 |
Release | : 2023-01-26 |
Genre | : Technology & Engineering |
ISBN | : 3731512505 |
Download New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs Book in PDF, ePub and Kindle
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.
Author | : Wu, Chuanren |
Publisher | : KIT Scientific Publishing |
Total Pages | : 232 |
Release | : 2019-09-09 |
Genre | : Technology & Engineering |
ISBN | : 3731509342 |
Download Conceptual Studies of Multistage Depressed Collectors for Gyrotrons Book in PDF, ePub and Kindle
Author | : Hochberg, Martin |
Publisher | : KIT Scientific Publishing |
Total Pages | : 198 |
Release | : 2020-02-19 |
Genre | : Technology & Engineering |
ISBN | : 373150958X |
Download A high-voltage pulsed power modulator for fast-rising arbitrary waveforms Book in PDF, ePub and Kindle