Validation Of An Accurate Three Dimensional Helical Slow Wave Circuit Model
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Validation Of An Accurate Three Dimensional Helical Slow Wave Circuit Model
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Author : Carol L. Kory
language : en
Publisher:
Release Date : 1997
Validation Of An Accurate Three Dimensional Helical Slow Wave Circuit Model written by Carol L. Kory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Traveling-wave tubes categories.
Validation Of An Accurate Three Dimensional Helical Slow Wave Circuit Model
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-15
Validation Of An Accurate Three Dimensional Helical Slow Wave Circuit Model written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-15 with categories.
The helical slow-wave circuit embodies a helical coil of rectangular tape supported in a metal barrel by dielectric support rods. Although the helix slow-wave circuit remains the mainstay of the traveling-wave tube (TWT) industry because of its exceptionally wide bandwidth, a full helical circuit, without significant dimensional approximations, has not been successfully modeled until now. Numerous attempts have been made to analyze the helical slow-wave circuit so that the performance could be accurately predicted without actually building it, but because of its complex geometry, many geometrical approximations became necessary rendering the previous models inaccurate. In the course of this research it has been demonstrated that using the simulation code, MAFIA, the helical structure can be modeled with actual tape width and thickness, dielectric support rod geometry and materials. To demonstrate the accuracy of the MAFIA model, the cold-test parameters including dispersion, on-axis interaction impedance and attenuation have been calculated for several helical TWT slow-wave circuits with a variety of support rod geometries including rectangular and T-shaped rods, as well as various support rod materials including isotropic, anisotropic and partially metal coated dielectrics. Compared with experimentally measured results, the agreement is excellent. With the accuracy of the MAFIA helical model validated, the code was used to investigate several conventional geometric approximations in an attempt to obtain the most computationally efficient model. Several simplifications were made to a standard model including replacing the helical tape with filaments, and replacing rectangular support rods with shapes conforming to the cylindrical coordinate system with effective permittivity. The approximate models are compared with the standard model in terms of cold-test characteristics and computational time. The model was also used to determine the sensitivity of various circuit...
Proceedings Of The National Conference On Emerging Trends In Vacuum Electronic Devices And Applications
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Author : S. K. Ghosh
language : en
Publisher: Springer Nature
Release Date : 2025-04-30
Proceedings Of The National Conference On Emerging Trends In Vacuum Electronic Devices And Applications written by S. K. Ghosh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-04-30 with Science categories.
This book presents peer reviewed articles from the Conference on Vacuum Electronic Devices Applications (VEDA2024) held at Pilani in India. Like its previous editions, it focusses on new ideas and the latest developments in research and industry on topics like technologies for vacuum electron devices (VEDs) or Systems and Subsystems employing VEDs, RF, HPM, and THz Components, Devices & Systems, RF, MW & mm-wave, Antennas and EM Simulations, Materials, power systems and components for VEDs, High emission density cathodes for VEDs, Applications of VEDs, Future trends & competing technologies. It brings together scientists, industrialists, academicians, and research scholars to exchange ideas and present latest developments in the field.
Advances In Mathematical Modelling Applied Analysis And Computation
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Author : Jagdev Singh
language : en
Publisher: Springer Nature
Release Date : 2025-07-11
Advances In Mathematical Modelling Applied Analysis And Computation written by Jagdev Singh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-11 with Mathematics categories.
This book is a collection of research papers from the “7th International Conference on Mathematical Modelling, Applied Analysis and Computation” organized by Lebanese American University, Beirut, Lebanon from April 18–20, 2024. This proceeding contains research papers related with fundamental mathematical theory and methods in a very suitable manner and useful for handling various contemporary issues of physical, chemical and engineering sciences. The aim of this conference is to foster cooperation among mathematicians and scientists working in these areas. This book is a very useful resource for mathematicians, scientists and engineers working in the field of applied mathematics, analysis and computation for solving real life problems of different domains.
Monthly Catalog Of United States Government Publications
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Author :
language : en
Publisher:
Release Date : 1999
Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Government publications categories.
Microwave And Rf Vacuum Electronic Power Sources
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Author : Richard G. Carter
language : en
Publisher: Cambridge University Press
Release Date : 2018-04-12
Microwave And Rf Vacuum Electronic Power Sources written by Richard G. Carter and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-12 with Technology & Engineering categories.
Get up-to-speed on the theory, principles and design of vacuum electron devices.
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Author :
language : zh-CN
Publisher:
Release Date : 2004
written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Electronics categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Verification Of Computer Aided Designs Of Traveling Wave Tubes Utilizing Novel Dynamic Refocusers And Graphite Electrodes For The Multistage Depressed Collector
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Author :
language : en
Publisher:
Release Date : 1985
Verification Of Computer Aided Designs Of Traveling Wave Tubes Utilizing Novel Dynamic Refocusers And Graphite Electrodes For The Multistage Depressed Collector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Anodes categories.