Results 1 to 10 of about 8,312,875 (278)

A New Electric Field Mill Network to Estimate Temporal Variation of Simplified Charge Model in an Isolated Thundercloud [PDF]

open access: yesSensors, 2022
The gross charge distribution in an electrified cloud has already been estimated by polarity distribution of the electrostatic field on the ground surface.
Kozo Yamashita   +4 more
doaj   +4 more sources

Research on the Optimization of the Electrode Structure and Signal Processing Method of the Field Mill Type Electric Field Sensor [PDF]

open access: yesSensors
Aiming at the issues that the field mill type electric field sensor lacks an accurate and complete mathematical model, and its signal is weak and contains a large amount of harmonic noise, on the basis of establishing the mathematical model of the sensor’
Wei Zhao, Zhizhong Li, Haitao Zhang
doaj   +4 more sources

Seasonal and annual variations in the strength of the atmospheric electric field in the 24th cycle of solar activity measured in Yakutsk [PDF]

open access: yesE3S Web of Conferences, 2020
The paper presents the results of measuring the strength of the atmospheric electric field in fair weather conditions in the 24th cycle of solar activity from 2009 to 2019 according to observations in Yakutsk (North-east of Siberia).
Toropov Anatoliy   +2 more
doaj   +2 more sources

A Review of Three-Dimensional Electric Field Sensors [PDF]

open access: yesMicromachines
Three-dimensional electric field sensors (3D EFSs) can simultaneously measure electric field components in three mutually orthogonal directions and comprehensively capture the spatial distribution and dynamic changes of the electric field.
Xiaonan Li   +5 more
doaj   +2 more sources

An Array of Low‐Cost, High‐Speed, Autonomous Electric Field Mills for Thunderstorm Research

open access: yesEarth and Space Science, 2020
The atmospheric electric field is an important research parameter in understanding storm electrification and energy exchange between lightning and the atmosphere across the globe.
A. Antunes de Sá   +4 more
doaj   +2 more sources

A DC electric field sensor based on optical waveguide-based field mill

open access: yesAIP Advances
Based on the Pockels effect of the lithium niobate crystal, an optical field mill DC electric field sensor has been developed. The structural parameters of the rotating shield electrode are optimized by using the COMSOL Multiphysics simulation software ...
Wei Song   +8 more
doaj   +2 more sources

A new electric field mill array with each of the mill’s rotor controlled precisely by a GPS module: Equipment and initial results

open access: yesEarth and Planetary Physics
We have newly designed an electrostatic sensor, called an electric field mill (EFM), to simplify the estimation of the charge position and charge amount transferred by lightning discharges.
Kozo Yamashita   +6 more
doaj   +3 more sources

Emerging Extraction Technologies and Molecular Implications for Greek Olive Products: A Commentary [PDF]

open access: yesMolecules
Recent advances in non-thermal and hybrid extraction technologies—such as pulsed electric field (PEF), ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), and enzymatic treatments—have been widely reviewed in the context of general
Vassilis Athanasiadis
doaj   +2 more sources

Optimized design of micromachined electric field mills to maximize electrostatic field sensitivity

open access: yesSensing and Bio-Sensing Research, 2016
This paper describes the design optimization of a micromachined electric field mill, in relation to maximizing its output signal. The cases studied are for a perforated electrically grounded shutter vibrating laterally over sensing electrodes.
Yu Zhou, Cyrus Shafai
doaj   +2 more sources

Micromachined Electric Field Mill Employing a Vertical Moving Shutter

open access: yesProcedia Engineering, 2014
AbstractThis paper presents a new type of micromachined electric field mill (MEFM) for measuring dc electric fields. This MEFM employs thermal actuators for vertical movement of an electrically grounded shutter, to mill the amplitude of a dc electric field incident on underlying sense electrodes. It addresses the main drawbacks of existing MEFMs, which
Chen, T.   +3 more
openaire   +3 more sources

Home - About - Disclaimer - Privacy