A novel energy harvesting device for ultralow frequency excitation
Sign Up to like & getrecommendations! Published in 2018 at "Energy"
DOI: 10.1016/j.energy.2018.03.011
Abstract: In recent decades, energy harvesting from external vibration with ultralow frequency has been investigated intensively. A novel energy harvesting device with adjustable nonlinearity for ultralow frequency excitation is proposed and analyzed in this study. The… read more here.
Keywords: energy; harvesting device; frequency; energy harvesting ... See more keywords
Bistable broadband hybrid generator for ultralow-frequency rectilinear motion
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.103973
Abstract: Abstract In the natural environment, rectilinear motions normally take the form of low-frequency and broadband vibrations. This poses problems for devices aimed at harvesting energy from these motions, since conventional linear electromagnetic generators are inefficient… read more here.
Keywords: ultralow frequency; broadband; low frequency; frequency ... See more keywords
Harvesting ultralow frequency (< 1 Hz) mechanical energy using triboelectric nanogenerator
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2019.104011
Abstract: Abstract Mechanical energy has been widely harvested to meet the increasing worldwide energy demands, especially propelled by the breakthrough of Triboelectric nanogenerator (TENG). Although extensive progresses have been achieved in the development of TENGs to… read more here.
Keywords: mechanical energy; ultralow frequency; triboelectric nanogenerator; frequency mechanical ... See more keywords
Discrete Spectrum of Ultralow-Frequency Oscillations of the Ionosphere
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3092738
Abstract: This work relates to the field of ultralow-frequency (ULF) spectroscopy of near-earth plasma. Our attention is focused on the Alfvén ionospheric resonator, the spectrum of which is a series of discrete lines. The aim of… read more here.
Keywords: discrete spectrum; spectroscopy; spectrum; ultralow frequency ... See more keywords
Development of Microscopy Apparatus Switchable between Fluorescence and Ultralow-Frequency Raman Modes
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Analytical Methods in Chemistry"
DOI: 10.1155/2022/2694545
Abstract: In this study, a microscopy apparatus that can switch between the fluorescence microscopy and ultralow-frequency Raman microscopy modes was developed. The apparatus can be easily constructed by equipping a standard epi-illumination microscope with an additional… read more here.
Keywords: frequency raman; fluorescence; microscopy; ultralow frequency ... See more keywords
Ultralow-frequency ultranarrow-bandwidth coherent terahertz imaging for nondestructive testing of mortar material.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449092
Abstract: Nondestructive testing of concrete materials is essential in civil engineering to maintain social infrastructure such as buildings or bridges. In this study, we constructed an ultralow-frequency, ultranarrow-bandwidth, coherent terahertz (THz) imaging system based on THz… read more here.
Keywords: ultralow frequency; system; nondestructive testing; coherent ... See more keywords
Comparative Study of Dayside Pulsating Auroras Induced by Ultralow-Frequency Waves
Sign Up to like & getrecommendations! Published in 2023 at "Universe"
DOI: 10.3390/universe9060258
Abstract: Pulsating auroras are usually observed with ultralow-frequency (ULF) waves in the Pc 3–5 band (period 10–600 s). These auroras are thought to result from interactions between energetic electrons and chorus waves, but their relationship with… read more here.
Keywords: ulf waves; comparative study; pulsating auroras; study ... See more keywords