Results 101 to 110 of about 226,375 (294)

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Computational Approach to the Study of Photon Radiation Shielding Parameters of Perovskite Ceramics

Iraqi Journal of Physics
This work investigates the photon radiation shielding efficiency of selected perovskite ceramics, halide-based double perovskites and organic-inorganic halide perovskites, using computational modeling across the photon energy range 0.015–15 MeV.
Muhammed Abdurraheem, Sunday Ajani, Wasiu Yahya, Godwin Egbeyale   +3 more
doaj   +1 more source

Evaluating Energy Absorption Performance of Filled Lattice Structures

Advanced Engineering Materials, EarlyView.
Maximum stress must be considered to robustly evaluate energy absorber designs. This approach was applied to compare all types of absorbers in a single Ashby diagram and determine the utility of filling lattice voids with a second material. High‐performance fillers can improve the performance of lattices that are limited by buckling or catastrophic ...
Christian Bonney, William P. King, Iwona Jasiuk   +2 more
wiley   +1 more source

Using Moored Arrays and Hyperspectral Aerial Imagery to Develop Nutrient Criteria for New Hampshire\u27s Estuaries [PDF]

, 2008
Increasing nitrogen concentrations and declining eelgrass beds in Great Bay, NH are clear indicators of impending problems for the state’s estuaries.
Gregory, Thomas K, McDowell, William H., Morrison, J. Ru, Pe\u27eri, Shachak, Trowbridge, Philip   +4 more
core   +1 more source

Parametric generation of second sound in superfluid helium: linear stability and nonlinear dynamics

, 2001
We report the experimental studies of a parametric excitation of a second sound (SS) by a first sound (FS) in a superfluid helium in a resonance cavity.
A. C. Newell, A. Ezerskii, A. Kudrolli, A. Muratov, A. Yu. Iznankin, B. Ya. Kotyuzhanskii, D. Binks, D. Rinberg, D. Rinberg, D. Rinberg, Dmitry Rinberg, F. Bunkin, G. Ahlers, G. V. Kolmakov, G. V. Kolmakov, H. Davidowitz, H. Davidowitz, I. M. Khalatnikov, I. V. Krutsenko, J. Hammack, J. Maynard, J. Wilks, L. Goldner, M. Barmatz, M. C. Cross, M. v. Schwerdtner, N. B. Tufillaro, N. I. Pushkina, P. Chen, R. B. Thompson, R. Mehrotra, R. Shih, S. Garrett, S. K. Nemirovskii, V. B. Cherepanov, V. E. Zakharov, V. L. Pokrovskii, V. L. Pokrovskii, V. L. Pokrovskii, V. L’vov, V. S. L’vov, V. S. L’vov, V. Steinberg, Victor Steinberg, W. R. MacLean, W. S. Edwards, W. Zhang   +46 more
core   +1 more source

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

Advanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold, Dylan Jennings, Robert Vaßen   +2 more
wiley   +1 more source

Ultrasound attenuation dependence on air compression or expansion processes [PDF]

, 2010
In this work variation of ultrasonic attenuation coefficient is analyzed in terms of air compression or expansion processes. In\ud closed spaces changing air volume, the ultrasound attenuation coefficient depends on thermodynamic processes which occur ...
Demcenko, A., Jakevicius, L., Mardosaite, R.   +2 more
core   +3 more sources

Photoswitching Conduction in Framework Materials

Advanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez, Stefan Hecht, Wolfgang Wenzel, Lars Heinke, Mariana Kozlowska   +4 more
wiley   +1 more source

Atomic mass dependence of hadron production in semi-inclusive deep inelastic lepton-nucleus scattering

, 2013
Hadron production in lepton-nucleus deep inelastic scattering is studied in a quark energy loss model. The leading-order computations for hadron multiplicity ratios are presented and compared with the selected HERMES pions production data with the quark ...
Duan, Chun-Gui, Liu, Na, Song, Li-Hua
core   +1 more source

3D‐Printed Sulfur‐Derived Polymers With Controlled Architectures for Lithium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
Rheology‐guided formulation design for direct ink writing enables the fabrication of 3D sulfur copolymer cathodes with controlled architectures for lithium‐sulfur batteries. The printed electrodes exhibit multiscale porosity and high sulfur utilization, delivering enhanced electrochemical performance compared to conventional cast electrodes.
Bin Ling, Haoran Wang, Pan Yang, Rishav Agrawal, Alex R. Neale, Laurence J. Hardwick, Tom Hasell, Esther García‐Tuñón   +7 more
wiley   +1 more source