Results 51 to 60 of about 27,447 (156)

Dynamics of Microwave Chemistry

工程科学与技术
Microwave heating of chemical reactions offers the advantages of rapid heating, high efficiency, and selective heating, contributing to energy conservation and emission reduction.
Yinhong LIAO, Tao HONG, Kama HUANG
doaj  

Low-energy and accelerated hydrogen release from MgH2–5 wt% NaTiOxH catalyzed hydrogen storage reactor by graphite responsive microwave

Journal of Magnesium and Alloys
Owing to high thermal stability and large reaction enthalpy, MgH2 has high reaction temperatures and sluggish reaction kinetics in the dehydrogenation process, which consumes lots of energy.
Bofei Wang, Zhen Wu, Honghao Liu, Fusheng Yang, Zaoxiao Zhang, Jing Yao, Qian Li, Hujun Cao, Bo Li   +8 more
doaj   +1 more source

Introduction to the Special Issue on Microwaves in Climate Change

IEEE Journal of Microwaves
IEEE Journal of Microwaves is extremely pleased to host this special topic, which was inspired by our editorial series article, “Making Waves: Microwaves in Climate Change,” released in July 2023.
Peter H. Siegel
doaj   +1 more source

A Review on Near-Field and Far-Field Wireless Power Transfer Technologies

Energies
Wireless Power Transfer (WPT) technologies are rapidly maturing, offering alternatives to traditional wired connections in applications ranging from consumer electronics to industrial automation.
Ahmed Badawi, I. M. Elzein, Claude Ziad El-bayeh, Walid Alqaisi, Alhareth M. Zyoud, Wasel Ghanem   +5 more
doaj   +1 more source

Multibeam Hybrid Beamforming System with Reduced RF Chains for Microwave Power Transfer

Energies
This paper presents a multibeam hybrid beamforming (MHBF) architecture for microwave power transfer (MPT), enabling wireless power delivery to multiple receivers with a reduced number of RF chains.
Manjoon Han, Minjae Ahn, Hyunchul Ku
doaj   +1 more source

A Compact Microwave Rectifier for Wireless Power Transfer and Energy Harvesting Applications

2024 18th European Conference on Antennas and Propagation (EuCAP)
This paper presents a microwave rectifier with compact size and high efficiency for radio frequency (RF) energy harvesting and low-power internet of things (IoT) applications. The proposed rectifier consists of a matching network, a doubler rectifier, a lowpass (LPF) structure and a low-power electronic circuit.
Moloudian, Gholamhosein, Kumar, Sanjeev, O'Flynn, Brendan, Buckley, John L.   +3 more
openaire   +2 more sources

Design a system to transfer alternating electric current using six channels of laser as an embedding and transmitting source

Open Engineering
This study introduces a novel approach to transmit alternating electric current through the air utilizing six optical channels LASER setup at 632 nm wavelength.
Edwar Basma Bashar, Ali Abdulkareem Kadhim, Edwar Balsam Bashar   +2 more
doaj   +1 more source

Characteristics of open-type microwave-induced coal breaking under drilling conditions and its fracturing mechanism

Meitan xuebao
Microwave-induced borehole fracturing is regarded as one of the most effective approaches for enhancing permeability and relieving gas pressure in low-permeability coal seams.
Guozhong HU, Tonghui WANG, Nan YANG, Jie ZHENG, Jialin XU, Guojun LI, Haiqing YANG, Di CAO   +7 more
doaj   +1 more source

A Mystery of the Inconsistency Between Microwave Polarimetric Observations and Radiative Transfer Simulations

Geophysical Research Letters
A factor of 2 difference is found between microwave brightness temperature (TB) observations and simulations from vector radiative transfer models. A physical explanation of this difference is related to the calibration process.
Ziqiang Zhu, Fuzhong Weng
doaj   +1 more source

GaN Solid State Power Amplifiers for Microwave Power Transfer and Microwave Heating

IEICE Transactions on Electronics
YAMANAKA, Koji, IYOMASA, Kazuhiro, SUGITANI, Takumi, KUWATA, Eigo, SHINJO, Shintaro   +4 more
openaire   +1 more source