Results 151 to 160 of about 4,000,497 (331)
In the work is given the solution of nonaxisymmetric stationary heat conduction problem for profiled polar-orthotropic annular plates with thermally insulated bases.
Uladzimir V. Karalevich +1 more
doaj
Investigation of Exothermic Behaviors of Energetic Particles in Microfluidics Channels
Scheme and representative frames of delivery, ignition, and combustion process of core@shell Al@CuO energetic material in a microchannel. The electrical discharge occurred at the throat of microchannel leads to the combustion of the energetic reaction, causing the formation of high‐momentum butterfly‐shaped jet at the throat.
Alex Baranovsky +4 more
wiley +1 more source
A biomimetic Jigsaw pattern infill for 3D printer has been developed. Its mechanical features with continuous carbon fiber reinforcement (CCFR) are investigated through the Design of Experiments. The Jigsaw infill minimizes mechanical strength losses caused by variability in infill density, flow rate, or carbon fiber string amount, outperforming ...
Tae‐Ho Kim +4 more
wiley +1 more source
Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels
Architected lattices with tunable negative thermal expansion are fabricated from common steels using laser powder bed fusion metal additive manufacturing. Optimized multimaterial interfaces and geometry‐driven design produce robust, defect‐minimized structures that remain dimensionally stable up to 300 °C, enabling scalable solutions for thermal ...
Devashish Dubey +4 more
wiley +1 more source
Fully printed bipolar organic thermoelectric generators are fabricated on flexible substrates and characterized entirely under ambient conditions. The devices exhibit Seebeck coefficients up to 30 µV K−1 and output powers up to 8.8 nW, with enhanced performance under bending.
Loup Chopplet +7 more
wiley +1 more source
Fiber Bragg Gratings with Micro‐Engineered Temperature Coefficients
Fiber Bragg gratings (FBGs) are intrinsically responsive to temperature and strain simultaneously. In this research, low‐loss FBGs with micro‐engineered temperature coefficients are fabricated, utilizing refractive index liquid‐filled microchannels in the cladding.
Zipei Song +8 more
wiley +1 more source
Nonlinear Transmission of Strong THz‐Electric Fields Through Thin Gold Films
Gold is is the prime metal for imaging THz radiation. This study demonstrates that the interaction of strong THz pulses with gold becomes nonlinear at certain peak THz‐electric field strengths. The strong fields change the electron density of states which contributing to the absorption of the propagating THz pulse.
Rokas Jutas +6 more
wiley +1 more source
FRET‐Enhanced Singlet Fission in Pentacene Derivatives
Excitation of molecules in blend funnels light energy via Förster resonance energy transfer toward reaction centers where singlet fission generates multiple excitons. Abstract Conversion of solar energy with high quantum efficiencies is a key challenge in energy technologies. Excitation energy transfer (EET) mechanisms, such as Förster resonance energy
Oskar Kefer +7 more
wiley +1 more source
Design of a Bilayer Metalens for Red, Green, and Blue‐Achromatic Imaging with Wide Field of View
Herein, an RGB‐achromatic bilayer metalens with a wide 80‐degree field‐of‐view and a high 0.65 numerical aperture is presented. Using silicon nitride meta‐atoms, it maintains consistent focal lengths for red, green, and blue light, even at oblique angles.
Seong‐Won Moon +4 more
wiley +1 more source

