Design and Characterization of a W-Band Folded-Waveguide Slow-Wave Structure
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Infrared, Millimeter, and Terahertz Waves"
DOI: 10.1007/s10762-016-0349-7
Abstract: A single-section slow-wave structure for a W-band folded-waveguide traveling-wave tube with operating bandwidth of around 4% was designed for delivering the output power of 50 W at the operating voltage of 13.5 kV and operating beam current… read more here.
Keywords: band folded; wave structure; slow wave; folded waveguide ... See more keywords
Numerical investigation of two-wave collision and wave structure evolution of rotating detonation engine with hollow combustor
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.09.165
Abstract: Abstract A three-dimensional numerical simulation of rotating detonation engine (RDE) with hollow combustor is performed to analyze wave structure evolution systematically. Wave structure evolution is classified into four categories, namely two-wave collision (counter-rotating waves), abscission… read more here.
Keywords: wave structure; two wave; collision; detonation ... See more keywords
Image-clustering analysis of the wave–structure interaction processes under breaking and non-breaking waves
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Fluids"
DOI: 10.1063/5.0065019
Abstract: This contribution presents the effectiveness and the potentialities of a consolidated technique—the video-cluster analysis—to the study of turbulent flow and breaking waves, in order to demonstrate its suitability as a low-cost, non-intrusive method to derive… read more here.
Keywords: wave structure; methodology; cluster analysis; breaking waves ... See more keywords
An adaptive harmonic polynomial cell method for three-dimensional fully nonlinear wave-structure interaction with immersed boundaries
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0190037
Abstract: To accurately simulate wave-structure interaction based on fully nonlinear potential flow theory, a three-dimensional (3 D) high-order immersed-boundary adaptive harmonic polynomial cell (IB-AHPC) method is proposed. Both the free surface and body surface are immersed in… read more here.
Keywords: fully nonlinear; structure interaction; wave structure; wave ... See more keywords
Theoretical Modeling and Analysis of Circularly Polarized Annular Leaky-Wave Antenna Based on Travelling-Wave Structure
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3059700
Abstract: In this paper, a theoretical model based on the electric field integration method is proposed to analyse radiation properties of the slotted annular Leaky-Wave Antenna (LWA), which can generate a Circularly Polarized (CP) conical beam… read more here.
Keywords: annular leaky; leaky wave; travelling wave; circularly polarized ... See more keywords
$W$ -Band Traveling Wave Tube Amplifier Based on Planar Slow Wave Structure
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2016.2627602
Abstract: A novel planar slow wave structure (SWS) for traveling wave tube (TWT) is proposed. The major advantage of the planar architecture is its easy realization with respect to the typical 3-D SWSs. The particle in… read more here.
Keywords: planar; wave structure; wave; planar slow ... See more keywords
Planar Microstrip Slow-Wave Structure for Low-Voltage V-Band Traveling-Wave Tube With a Sheet Electron Beam
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2018.2821770
Abstract: Slow-wave structure (SWS) is a core part of a traveling-wave-tube (TWT) amplifier. In this letter, the planar microstrip meander SWS on a dielectric substrate at $V$ -band (50–70 GHz) is studied. The basic electromagnetic parameters… read more here.
Keywords: wave structure; wave; wave tube; electron ... See more keywords
A 0.34-THz High-Power, Slow-Wave Structure: Designing and microfabricating an H-plane ridge-loaded folded waveguide
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Nanotechnology Magazine"
DOI: 10.1109/mnano.2019.2927798
Abstract: High-power microvacuum electronic devices are one of the key technologies for the study of terahertz radiation sources. The traveling-wave tube (TWT) based on the folded waveguide slow-wave structure is the most promising terahertz device. This… read more here.
Keywords: power; folded waveguide; slow wave; wave structure ... See more keywords
A Novel Millimeter-Wave Structure for Longitudinal Interaction With a Sheet Electron Beam
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2018.2791542
Abstract: We offer and describe a novel slow-wave structure (SWS) formed by a periodic array of rectangular rings (RRs) interconnected by parallel diagonal conductors forming two zigzag lines. The zigzags form the inductive part of the… read more here.
Keywords: millimeter wave; wave structure; electron beam; sheet electron ... See more keywords
A Novel Chevron-Shape Double-Staggered Grating Waveguide Slow Wave Structure for Terahertz Traveling Wave Tubes
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Electron Devices"
DOI: 10.1109/ted.2020.3006038
Abstract: A novel slow wave structure (SWS), called the chevron-shaped double-staggered grating waveguide structure, is proposed for traveling wave tube (TWT) amplifier for the terahertz (THz) region. The potential of this SWS is that it provides… read more here.
Keywords: slow wave; double staggered; staggered grating; wave ... See more keywords
Photonic Crystal-Based High-Power Backward Wave Oscillator
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Plasma Science"
DOI: 10.1109/tps.2017.2774271
Abstract: An electron beam traversing a slow wave structure can be used to either generate or amplify electromagnetic radiation through the interaction of the slow space charge wave on the beam with the slow wave structure… read more here.
Keywords: wave structure; backward wave; wave oscillator; structure ... See more keywords