Results 21 to 30 of about 8,725,833 (358)

Dynamic response of blast loaded Hollow Cylindrical and Truncated Conical shells

open access: yesInternational Journal of Multiphysics, 2023
Hollow cylindrical and truncated conical shells depict enhanced torsional and shear resistance compared to beams and plates and are ubiquitously used in structures in aeronautics, submarines, wind turbines, pressure vessels, and transmission pylons. Upon
N Mehreganian   +4 more
doaj   +1 more source

A state of health estimation method for electric vehicle Li-ion batteries using GA-PSO-SVR

open access: yesComplex & Intelligent Systems, 2022
State of health (SOH) is the ratio of the currently available maximum capacity of the battery to the rated capacity. It is an important index to describe the degradation state of a pure electric vehicle battery and has an important reference value in ...
Yue Zhi, He Wang, Liang Wang
semanticscholar   +1 more source

Retrieving Freeze/Thaw Surface State From CYGNSS Measurements

open access: yesIEEE Transactions on Geoscience and Remote Sensing, 2022
Freeze/Thaw (F/T) surface state retrieval is important to further understand hydrological patterns and climate change. This article investigates the use of Earth-reflected Global Positioning System (GPS) L-band signals as collected by the National ...
H. Carreno-Luengo, C. Ruf
semanticscholar   +1 more source

Resonances in pulsatile channel flow with an elastic wall [PDF]

open access: yesPhys. Rev. Lett. 125, 254501 (2020), 2020
Interactions between fluids and elastic solids are ubiquitous in application ranging from aeronautical and civil engineering to physiological flows. Here we study the pulsatile flow through a two-dimensional Starling resistor as a simple model for unsteady flow in elastic vessels.
arxiv   +1 more source

Correction: Balsamo, G., et al. Satellite and In Situ Observations for Advancing Global Earth Surface Modelling: A Review. Remote Sensing 2018, 10, 2038

open access: yesRemote Sensing, 2019
The authors wish to make the following corrections to this paper [...]
Gianpaolo Balsamo   +45 more
doaj   +1 more source

The relationship between mental workload and nurse stress levels in hospitals

open access: yesHealthcare in Low-resource Settings, 2023
High mental workload implies significant mental resources and can lead to increased cognitive stress and fatigue. Nurses have the responsibility of managing a wide range of nursing care tasks, which frequently involve addressing anxiety, handling ...
Zahid Fikri   +4 more
doaj   +1 more source

Lidar Ratio–Depolarization Ratio Relations of Atmospheric Dust Aerosols: The Super‐Spheroid Model and High Spectral Resolution Lidar Observations

open access: yesJournal of Geophysical Research - Atmospheres, 2022
The backscattering optical properties of an ensemble of randomly oriented dust particles at a wavelength of 355 nm were comprehensively studied by examining the invariant imbedding T‐matrix results of the super‐spheroid dust model.
Senyi Kong, Kaori Sato, L. Bi
semanticscholar   +1 more source

Satellite and In Situ Observations for Advancing Global Earth Surface Modelling: A Review

open access: yesRemote Sensing, 2018
In this paper, we review the use of satellite-based remote sensing in combination with in situ data to inform Earth surface modelling. This involves verification and optimization methods that can handle both random and systematic errors and result in ...
Gianpaolo Balsamo   +44 more
doaj   +1 more source

Tribological Aspects, Optimization and Analysis of Cu-B-CrC Composites Fabricated by Powder Metallurgy

open access: yesMaterials, 2021
Tribological properties of engineering components are a key issue due to their effect on the operational performance factors such as wear, surface characteristics, service life and in situ behavior.
Üsame Ali Usca   +5 more
semanticscholar   +1 more source

Three-Dimensional Simulation of New Car Profile

open access: yesFluids, 2020
Aerodynamics has identified remarkable development in the improvement of fuel efficiency, reducing wind noise and increasing engine cooling. Moving body profile controls fuel the consumption rate.
Hamdy Mansour, Rola Afify, Omar Kassem
doaj   +1 more source

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