Results 31 to 40 of about 412,475 (161)

Large power microwave nonlinear effects on multifunction amplifier chip for Ka-band T/R module of phased array radar

open access: yesAIP Advances, 2017
Nonlinear effects of large power millimeter wave on critical chips for the T/R module of phased array radar is experimental studied and analyzed in this paper. A multifunction amplifier chip is selected for our experiments.
Guo Guo   +9 more
doaj   +1 more source

Full-time domain analysis on operating characteristics of free piston Stirling generator

open access: yesEnergy Reports, 2022
Free piston Stirling generator (FPSG) has been focused increasingly as energy conversion device for space nuclear power plants due to its long life and maintenance-free characteristics.
Lingxuan Kong   +3 more
doaj   +1 more source

Product Characteristics of Torrefied Wood Sawdust in Normal and Vacuum Environments

open access: yesEnergies, 2019
To investigate the efficacy of torrefaction in a vacuum environment, wood sawdust was torrefied at various temperatures (200−300 °C) in different atmospheres (nitrogen and vacuum) with different residence times (30 and 60 min).
Yi-Kai Chih   +3 more
doaj   +1 more source

A Review of Research Status and Prospect of Vacuum Insulated Tubing Insulation System [PDF]

open access: yesE3S Web of Conferences, 2020
Vacuum heat insulating tubing is an important wellbore heat insulating facility for heavy oil thermal recovery at present. Its heat insulating performance directly affects the thermal recovery efficiency.
Yu Xing   +5 more
doaj   +1 more source

On the Influence of Vacuum Conditions on The Power Level of Electromagnetic Waves Generated by A Relativistic Magnetron

open access: yesEast European Journal of Physics
The high-power microwave radiation, generated in a relativistic high-voltage pulsed magnetron with the range of 8 mm, was experimentally investigated. The factors that negatively affect the generation of microwave radiation were experimentally studied ...
A.B. Batrakov   +6 more
doaj   +1 more source

MECHANICAL EVALUATION OF UNITY ELEVATED VACUUM SUSPENSION SYSTEM

open access: yesCanadian Prosthetics & Orthotics Journal, 2020
BACKGROUND: Small residual limb-socket displacement is a good indicator of prosthetic suspension system quality. Active vacuum suspension systems can decrease vertical movement inside the socket, compared to non-active suction systems.
Hossein Gholizadeh   +2 more
doaj   +1 more source

Design of vacuum system for NCST spherical tokamak

open access: yesAIP Advances, 2023
The NanChang Spherical Tokamak (NCST) is a new compact tokamak with an aspect ratio of R/a = 1.67. The vacuum system is one of the most important sub-systems of the tokamak device and has been designed especially for the NCST device. It consists of three
Fu Hua Huang   +4 more
doaj   +1 more source

Desain Sistem Vakum untuk Mendinginkan Ruang Transformator

open access: yesMetal: Jurnal Sistem Mekanik dan Termal, 2022
An analysis has been carried out on designing a 60 MVA 150 kV transformer cooling chamber vacuum system. The transformer cooling chamber is vacuumed up to a pressure of 0.001 kPa. This is done to avoid the formation of gas bubbles, avoid condensation and
Benny Dwika Leonanda   +3 more
doaj   +1 more source

Vacuum System

open access: yes, 2017
11 pages, chapter 12 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design ...
Baglin, V.   +5 more
openaire   +2 more sources

In Situ Investigation of Charged Dust Particles Above the Lunar Surface at the Chang’E-5 Landing Site

open access: yesSpace: Science & Technology
The mysterious “lunar horizon glow” observed in the 1960s and 1970s was the first space observation possibly related to electrostatic dust transport; however, are there really large amounts of electrostatically transported dust particles in the lunar ...
Yongjun Wang   +15 more
doaj   +1 more source

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