Air-filled soap bubbles for volumetric velocity measurements
Sign Up to like & getrecommendations! Published in 2021 at "Experiments in Fluids"
DOI: 10.1007/s00348-021-03134-6
Abstract: The use of air-filled soap bubbles for volumetric velocimetry in air flows is demonstrated experimentally. The tracers are produced by a novel system that seeds high number density soap bubble streams for particle image velocimetry… read more here.
Keywords: velocity; soap bubbles; air filled; soap ... See more keywords
Numerical optimization and convective thermal loss analysis of improved solar parabolic trough collector receiver system with one sided thermal insulation
Sign Up to like & getrecommendations! Published in 2017 at "Solar Energy"
DOI: 10.1016/j.solener.2017.02.051
Abstract: Abstract Two type of receiver systems currently employed in solar parabolic trough collector technology are evacuated annuli receivers and air filled annuli receivers. While former receiver finds its way into high-temperature grid-acquaintance solar parabolic trough… read more here.
Keywords: trough collector; solar parabolic; air filled; receiver ... See more keywords
Plasmonic Gold Trimers and Dimers with Air-Filled Nanogaps.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c04800
Abstract: The subwavelength confinement of light energy in the nanogaps formed between adjacent plasmonic nanostructures provides the foundational basis for nanophotonic applications. Within this realm, air-filled nanogaps are of central importance because they present a cavity… read more here.
Keywords: plasmonic gold; air; filled nanogaps; gold trimers ... See more keywords
Novel High-Q Partially Air-Filled Pedestal Resonator and Filter Integrated in a Printed Circuit Board (PCB)
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3208351
Abstract: In this paper, a resonator and second order filter are fabricated using a novel technological process based on micromachining and thermo-diffusion. The use of this innovative process opens the way to the design of RF… read more here.
Keywords: partially air; filled pedestal; filter; resonator ... See more keywords
Air-Filled Long Slot Leaky-Wave Antenna Based on Folded Half-Mode Waveguide Using Silicon Bulk Micromachining Technology for Millimeter-Wave Band
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2700040
Abstract: An air-filled long slot leaky-wave antenna (LWA) based on folded half-mode waveguide (FHMW) fabricated using silicon substrate is proposed for millimeter-wave application. As is well known, the high-permittivity silicon dielectric is not suitable for antenna… read more here.
Keywords: air filled; leaky wave; filled long; long slot ... See more keywords
Low-Sidelobe Air-Filled Slot Array Fabricated Using Silicon Micromachining Technology for Millimeter-Wave Application
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2017.2717971
Abstract: A low-sidelobe air-filled slot array is proposed and fabricated using silicon micromachining technology for millimeter-wave application. As is well known, the high-permittivity silicon prohibits the silicon-based antenna from having good performance. Here, this problem is… read more here.
Keywords: slot; sidelobe; fabricated using; silicon ... See more keywords
Compact Air-Filled Luneburg Lens Antennas Based on Almost-Parallel Plate Waveguide Loaded With Equal-Sized Metallic Posts
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2927862
Abstract: This paper presents a Luneburg lens and a Luneburg reflector lens along with the corresponding compact and cost-effective multibeam antennas in the Ka-band. The Luneburg lens is composed of an air-filled parallel plate waveguide (PPW)… read more here.
Keywords: luneburg lens; air filled; reflector lens; luneburg ... See more keywords
A Millimeter-Wave Micromachined Air-Filled Slot Antenna Fed by Patch
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Components, Packaging and Manufacturing Technology"
DOI: 10.1109/tcpmt.2017.2711361
Abstract: In this paper, a millimeter-wave air-filled slot antenna is presented based on bulk silicon microelectromechanical systems micromachining technology. The antenna is suitable for system-in-package application by utilizing this silicon micromachining technique. To achieve high radiation… read more here.
Keywords: slot antenna; millimeter wave; air; filled slot ... See more keywords
Contactless Air-Filled Substrate Integrated Waveguide
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2818137
Abstract: The contactless version of the air-filled substrate integrated waveguide (AF-SIW) is introduced for the first time. The conventional AF-SIW configuration requires a pure and flawless connection of the covering layers to the intermediate substrate. To… read more here.
Keywords: air filled; substrate integrated; integrated waveguide; filled substrate ... See more keywords
Large air-filled intrapulmonary bronchogenic cyst associated with tension pneumothorax during air travel
Sign Up to like & getrecommendations! Published in 2019 at "BMJ Case Reports"
DOI: 10.1136/bcr-2018-228032
Abstract: A 38-year-old woman developed a spontaneous right-sided tension pneumothorax during light aircraft travel. The aircraft was diverted to a regional centre, where emergent needle thoracostomy and chest tube insertion were performed. History suggested that this… read more here.
Keywords: pneumothorax; cyst; air; tension pneumothorax ... See more keywords
A Novel Wideband Transition from LTCC Laminated Waveguide to Air-Filled Rectangular Waveguide for W-band Applications
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi14010052
Abstract: In this paper, a novel wideband transition from a laminated waveguide (LWG) to an air-filled rectangular waveguide (RWG) is proposed for millimeter-wave integration solutions based on multilayer low-temperature co-fired ceramic (LTCC) technology. The integrated transition… read more here.
Keywords: novel wideband; wideband transition; laminated waveguide; air filled ... See more keywords