Results 21 to 30 of about 3,001,234 (205)

Two-way coupled meteorology and air quality models in Asia: a systematic review and meta-analysis of impacts of aerosol feedbacks on meteorology and air quality [PDF]

open access: yesAtmospheric Chemistry and Physics, 2022
Atmospheric aerosols can exert an influence on meteorology and air quality through aerosol–radiation interaction (ARI) and aerosol–cloud interaction (ACI), and this two-way feedback has been studied by applying two-way coupled meteorology and air ...
C. Gao   +9 more
doaj   +1 more source

Experimental Evaluation of Three Designs of Electrodynamic Flexural Transducers

open access: yesSensors, 2016
Three designs for electrodynamic flexural transducers (EDFT) for air-coupled ultrasonics are presented and compared. An all-metal housing was used for robustness, which makes the designs more suitable for industrial applications.
Tobias J. R. Eriksson   +5 more
doaj   +1 more source

“Pipe organ” air-coupled broad bandwidth transducer [PDF]

open access: yes2017 IEEE International Ultrasonics Symposium (IUS), 2017
Air-coupled transducers are used to conduct fast non-contact inspections in NDT. Normally, the bandwidth of a conventional transducer can be enhanced, but with a cost to its sensitivity. However, low sensitivity is very disadvantageous in air-coupled devices. This paper presents a methodology for improving the bandwidth of an air-coupled micro-machined
Zhu, B.   +4 more
openaire   +2 more sources

Air-Coupled Piezoelectric Transducers with Active Polypropylene Foam Matching Layers

open access: yesSensors, 2013
This work presents the design, construction and characterization of air-coupled piezoelectric transducers using 1–3 connectivity piezocomposite disks with a stack of matching layers being the outer one an active quarter wavelength layer made of ...
Tomás E. Gómez Alvarez-Arenas
doaj   +1 more source

Intercomparison of multiple two-way coupled meteorology and air quality models (WRF v4.1.1–CMAQ v5.3.1, WRF–Chem v4.1.1, and WRF v3.7.1–CHIMERE v2020r1) in eastern China [PDF]

open access: yesGeoscientific Model Development
Two-way coupled meteorology and air quality models, which account for aerosol–radiation–cloud interactions, have been employed to simulate meteorology and air quality more realistically.
C. Gao   +20 more
doaj   +1 more source

Air-coupled ultrasonic assessment of wood veneer

open access: yesPhysics Procedia, 2010
Air-coupled ultrasound (ACU) provides a tool to evaluate wood samples of small or moderate thickness (
Blomme, Erik   +4 more
openaire   +2 more sources

Characteristics of the deep sea tsunami excited offshore Japan due to the air wave from the 2022 Tonga eruption

open access: yesEarth, Planets and Space, 2022
A large eruption of the Hunga Tonga-Hunga Haʻapai volcano in Tonga on January 15, 2022 generated air–sea coupled tsunamis observed at the ocean-bottom pressure sensor network along the Japan Trench (S-net) in Japan.
Yuichiro Tanioka   +2 more
doaj   +1 more source

The Impact of Alternative Heat Supply Options on CO2 Emission and District Heating System

open access: yesChemical Engineering Transactions, 2014
The energy demand for space heating and ventilation has huge potential. The impact of three alternative energy supply solutions such as exhaust air heat pump coupled with district heating, district heating coupled with room based heat recovery ...
V. Mashatin, S. Link, A. Siirde
doaj   +1 more source

Vibrations of Air-Coupled Web Systems [PDF]

open access: yesJournal of Vibration and Acoustics, 2020
Abstract The prediction and measurement of vibrations of the low-frequency transverse modes of tensioned webs are of increasing interest for process monitoring, quality control, and process stability in roll-to-roll flexible hybrid and stretchable electronics manufacturing, nanomanufacturing, coated layer patterning, and other continuous
Dan Feng   +3 more
openaire   +1 more source

Air-Coupled, Contact, and Immersion Ultrasonic Non-Destructive Testing: Comparison for Bonding Quality Evaluation

open access: yesApplied Sciences, 2020
The objective of this study is to compare the performance of different ultrasonic non-destructive testing (NDT) techniques for bonding quality evaluation.
Bengisu Yilmaz   +3 more
doaj   +1 more source

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