Results 71 to 80 of about 6,248,327 (201)
EnergiesThis paper introduces a novel pitch adjustment device applicable to small wind turbines. To validate its feasibility under high wind speeds and analyze the impact of pitch angle on the power output characteristics of small wind turbines, a prototype ...
Daorina Bao +6 more
doaj +1 more source
, 2018 This paper deals with reproducing spatial distributions of trees. An overview of existing procedures to reproduce spatial distributions is given. All investigated procedures either need sampling information about distances between trees or they use species-specific distance functions.
Hui, G. Y., Albert, M., Chen, B. W.
openaire +1 more source
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source
Frontiers in Plant ScienceStand spatial structure and sapling diversity are essential for maintaining ecosystem stability. However, the dynamic characteristics of stand spatial structure, its driving factors, and its influence on sapling diversity remain unclear.
Lingyan Li +21 more
doaj +1 more source
Minimal angle spread in the probability simplex with respect to the uniform distribution
, 2022 We compute the minimal angle spread with respect to the uniform distributionin the probability simplex. The resulting optimization problem is analyticallysolved.
Bauschke, Heinz H. +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil +2 more
wiley +1 more source
Effect of nanosilicon coating on the EUV/x-ray reflectance of silica polycapillary optic [PDF]
AIP AdvancesReflection-based lensing is used to focus or collimate extreme ultraviolet (EUV)/x rays (x-ray optics) propagating in grazing incidence small-angle x-ray scattering (GISAXS) inside poly-capillary glass.
Munir H. Nayfeh +9 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Mass density governs the protective behavior of oxide layers on nuclear fuel cladding. Ptychographic X‐ray computed tomography measures zirconium oxide grown on Zircaloy‐4 under reactor and autoclave conditions, revealing nearly identical bulk densities of 5.1 ± 0.80 g cm−3.
Okan Yetik +9 more
wiley +1 more source
Time-integrated Polarization of Structured Jets in Gamma-Ray Burst Prompt Emission
The Astrophysical JournalThe structure of gamma-ray burst (GRB) jets remains one of the most significant open questions in high-energy astrophysics. Observations of events like GRB 170817A, associated with gravitational waves, and the exceptionally bright GRB 221009A suggest ...
Qiannan Mai +7 more
doaj +1 more source
Superhydrophobic surfaces: a model approach to predict contact angle and surface energy of soil particles [PDF]
, 2009 Wettability of soil affects a wide variety of processes including infiltration, preferential flow and surface runoff. The problem of determining contact angles and surface energy of powders, such as soil particles, remains unsolved.
Bachmann, Jörg +3 more
core +1 more source