Results 11 to 20 of about 329,688 (275)

Characterization and prediction of hygrothermally aged CFRP adhesive joint subjected to mode II load

Composites Part C: Open Access, 2023
Carbon fiber composite adhesives joints provide higher specific strength and fatigue life than traditional joints. However, carbon fiber composites and adhesives are polymeric materials that may lose their integrity in hygrothermal environment ...
Mohd. Tauheed, Naresh V. Datla
doaj   +1 more source

Investigating Fourteen Countries to Maximum the Economy Benefit by Using Offline Reconfiguration for Medium Scale PV Array Arrangements

Energies, 2020
Over the past few years, electricity demand has been on the rise. This has resulted in renewable energy resources being used rapidly, considering the shortage as well as the environmental impacts of fossil fuel.
Mohammed Alkahtani, Yihua Hu, Mohammed A Alghaseb, Khaled Elkhayat, Colin Sokol Kuka, Mohamed H Abdelhafez, Abdelhakim Mesloub   +6 more
doaj   +1 more source

Cost Effective Offline Reconfiguration for Large-Scale Non-Uniformly Aging Photovoltaic Arrays Efficiency Enhancement

IEEE Access, 2020
In the past decades, a huge number of large-scale photovoltaic (PV) plants have been constructed all around the world. However, the capital and operational costs can be high, which limits their widespread applications.
Zuyu Wu, Chen Zhang, Mohammed Alkahtani, Yihua Hu, Jiangfeng Zhang   +4 more
doaj   +1 more source

Effects of power transformer high-frequency equivalent circuit parameters non-uniformity on fault diagnosis using SFRA test

Ain Shams Engineering Journal, 2022
The electric power transformer is an essential component of an electrical power system because it regulates the voltage level to provide the best possible system operation.
Khalid H. Ibrahim, Nourhan R. Korany, Saber M. Saleh   +2 more
doaj   +1 more source

Non-Uniform Input-Based Adaptive Growing Neural Gas for Unstructured Environment Map Construction

Applied Sciences, 2022
The research and development of special robots such as excavation robots is an important way to achieve safe and efficient production in coal mines.
Suyu Wang, Ze Ren, Miao Wu
doaj   +1 more source

Observation of superspin glass state in magnetically textured ferrofluid (gamma-Fe2O3) [PDF]

, 2008
Magnetic properties in a magnetically textured ferrofluid made out of interacting maghemite (gamma-Fe2O3) nanoparticles suspended in glycerin have been investigated.
Berkowski B., C. Thibierge, D. L’Hôte, E. Dubois, E. Vincent, R. Perzynski, S. Nakamae, V. Dupuis, Y. Tahri   +8 more
core   +4 more sources

Incremental Capacity Analysis as a State of Health Estimation Method for Lithium-Ion Battery Modules with Series-Connected Cells

Batteries, 2020
Incremental capacity analysis (ICA) has proven to be an effective tool for determining the state of health (SOH) of Li-ion cells under laboratory conditions.
Amelie Krupp, Ernst Ferg, Frank Schuldt, Karen Derendorf, Carsten Agert   +4 more
doaj   +1 more source

Unusually high room and elevated-temperature tensile properties observed in direct aged wire-arc directed energy deposited Inconel 718

Scientific Reports, 2023
Wire-arc directed energy deposition (DED) processed Inconel (IN) 718 is known to have coarse columnar grains, strong texture, and significant chemical and microstructural inhomogeneity in the as-fabricated condition.
Jie Song, Xavier A. Jimenez, Carissa Russell, Albert C. To, Yao Fu   +4 more
doaj   +1 more source

The Cyclic Stability of the Superelasticity in Quenched and Aged Ni₄₄Fe₁₉Ga₂₇Co₁₀ Single Crystals

Metals, 2023
The effect of aging (at 773 K for 1 h) on the cyclic stability of superelasticity was studied in preliminarily quenched (after annealing at 1448 K for 1 h) Ni44Fe19Ga27Co10 [001]-oriented single crystals.
Ekaterina Timofeeva, Elena Panchenko, Maria Zherdeva, Aida Tokhmetova, Yuriy I. Chumlyakov   +4 more
doaj   +1 more source

Temperature Dependence of Fluctuation Time Scales in Spin Glasses [PDF]

, 2009
Using a series of fast cooling protocols we have probed aging effects in the spin glass state as a function of temperature. Analyzing the logarithmic decay found at very long time scales within a simple phenomenological barrier model, leads to the ...
Bowen, J., Kenning, G. G., Rodriguez, G. F., Sibani, P.   +3 more
core   +1 more source