Three-dimensional numerical simulation of a 30-GHz gyrotron resonator with an explicit high-order discontinuous-Galerkin-based parallel particle-in-cell method

A Stock, J Neudorfer, M Riedlinger… - … on Plasma Science, 2012 - ieeexplore.ieee.org
Fast design codes for the simulation of the particle–field interaction in the interior of gyrotron
resonators are available. They procure their rapidity by making strong physical …

Efficient parallelization of a three-dimensional high-order particle-in-cell method for the simulation of a 170 GHz gyrotron resonator

J Neudorfer, A Stock, R Schneider… - … on plasma science, 2012 - ieeexplore.ieee.org
We present the simulation of the transient excitation and evolution of a TE 34, 19 mode in
the resonant cavity of the 170 GHz gyrotron. This gyrotron is planned for electron cyclotron …

Design of interaction cavity of a 170-GHz, 1-MW gyrotron for ECRH application

A Kumar, N Kumar, U Singh, H Khatun, V Vyas… - Vacuum, 2011 - Elsevier
The design of the interaction cavity of a 170 GHz gyrotron operating in the TE34, 10 mode is
presented in this article. An in-house developed code GCOMS and Particle-in-Cell (PIC) …

On the design of a high-efficiency double-beam gyrotron

N Kumar, U Singh, A Kumar, H Khatun… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
The gyrotron that operates with a double electron beam is designed and presented. The
design of a 42-GHz 200-kW gyrotron at TE 03 mode has been done and presented …

Design of 95 GHz, 2 MW gyrotron for communication and security applications

N Kumar, U Singh, TP Singh, AK Sinha - Journal of Infrared, Millimeter, and …, 2011 - Springer
The design and the numerical simulation of the 95 GHz, 2 MW gyrotron for various kinds of
communication, sensing and security applications is presented. The gyrotron is designed for …

Design and misalignment analysis of 140 GHz, 1.5 MW gyrotron interaction cavity for plasma heating applications

N Kumar, U Singh, A Kumar, AK Sinha - Journal of fusion energy, 2011 - Springer
In this paper the design of 140áGHz, 1.5 áMW gyrotron interaction cavity is described in
detail. The interaction cavity is designed and simulated by using Particle-in-Cell code for …

Thermal and structural analysis and its effect on beam-wave interaction for 170-GHz, 1-MW gyrotron cavity

A Kumar, N Kumar, U Singh, H Khatun, V Vyas… - Journal of fusion …, 2012 - Springer
In this paper thermal and structural analysis for 170 GHz, 1 MW gyrotron interaction cavity
and the effect of structural deformation on beam wave interaction is presented. Finite …

A feasibility study of beam-wave interaction in 670 GHz gyrotron for radioactive material detection application

N Kumar, U Singh, A Kumar… - Japanese Journal of …, 2012 - iopscience.iop.org
In this article, a feasibility study of 300 kW RF power generation with TE 25, 10 (transverse
electric) operating mode for 670 GHz gyrotron is presented. The beam-wave interaction …

Design of magnetically tunable magnetron injection guns for gyrotrons at multiple frequencies

U Singh, N Kumar, LP Purohit… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
In this paper, the design of a triode-type magnetically tunable magnetron injection gun (MT-
MIG) is presented for 1-MW 110-, 120-, and 127.5-GHz-frequency gyrotrons with the various …

Dual frequency gyrotron operating at 42/84 GHz for plasma fusion application

N Kumar, U Singh, A Sihag, AK Sinha - Vacuum, 2015 - Elsevier
The design study of dual frequency gyrotron operating at 42/84 GHz frequencies with output
power∼ 500 kW is presented in this article. TE 10, 4 and TE 6, 2 are selected as the …