Results 51 to 60 of about 126,405 (295)

Nature‐Inspired Design Strategies for Efficient Atmospheric Water Harvesting

Advanced Materials, EarlyView.
This review presents advances in bioinspired atmospheric water harvesting systems, emphasizing how structural motifs such as wettability gradients, directional transport, and hierarchical porosity have been translated into engineered fog‐collection and vapor‐sorption strategies for enhanced water uptake, accelerated transport, and energy‐efficient ...
Yunchan Lee, Shouhong Fan, Shu Yang
wiley   +1 more source

The Transport and Evolution of MHD Turbulence throughout the Heliosphere: Models and Observations

Fluids, 2021
A detailed study of solar wind turbulence throughout the heliosphere in both the upwind and downwind directions is presented. We use an incompressible magnetohydrodynamic (MHD) turbulence model that includes the effects of electrons, the separation of ...
Laxman Adhikari, Gary P. Zank, Lingling Zhao   +2 more
doaj   +1 more source

Analysis of scale-dependent kinetic and potential energy in sheared, stably stratified turbulence [PDF]

, 2022
Xiaolong Zhang, Rohit Dhariwal, Gavin Portwood, Stephen M. de Bruyn Kops, Andrew D. Bragg   +4 more
openalex   +1 more source

A Review on Microreactor Design for Effective Fischer–Tropsch Process Intensification

Advanced Materials Technologies, EarlyView.
Design strategies for effective Fischer–Tropsch process intensification are summarized based on experimental and simulation experiences. Recommendations for catalyst loading of packed‐bed and wash‐coated microchannel, microtube, micromonolith, and microstructured reactors are discussed.
Yangjun Wei, Lukas Thum, Avela Kunene, Daniel Amkreutz, Rutger Schlatmann, Sonya Calnan   +5 more
wiley   +1 more source

An in silico analysis of heart rate impact on wall shear stress hemodynamic parameters in aortic coarctation

Scientific Reports
This study examines how heart rate (HR) affects hemodynamics in a South African infant with Coarctation of the Aorta. Computed tomography angiography segments aortic coarctation anatomy; Doppler echocardiography derives inlet flow waveforms.
Jie Wang, Emily Manchester, Alex Skillen, Malebogo Ngoepe, Bernard Keavney, Alistair Revell   +5 more
doaj   +1 more source

Magnetic Field Rotations in the Solar Wind at Kinetic Scales

, 2015
The solar wind magnetic field contains rotations at a broad range of scales, which have been extensively studied in the MHD range. Here we present an extension of this analysis to the range between ion and electron kinetic scales.
Burgess, D., Chen, C. H. K., Horbury, T. S., Matteini, L.   +3 more
core   +1 more source

A CFD based procedure for airspace integration of small unmanned aircraft within congested areas [PDF]

, 2017
Future integration of small unmanned aircraft within an urban airspace requires an a posteriori understanding of the building-induced aerodynamics which could negatively impact on vehicle performance.
Anderson, David, Murray, Craig W.A.
core   +1 more source

Collision‐Resilient Winged Drones Enabled by Tensegrity Structures

Advanced Robotics Research, EarlyView.
Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui, Raphael Zufferey, William Stewart, Mohammad Askari, Simon Jeger, Dario Floreano   +5 more
wiley   +1 more source

Examining OpenFOAM-based LES analysis in terms of inviscid energy conservation and viscous turbulence decay

Mechanical Engineering Journal
The present study examines an OpenFOAM-based LES analysis from the viewpoints of inviscid energy conservation and viscous turbulence decay. The Smagorinsky model is employed as the sub-grid scale (SGS) model, and a two-dimensional periodic analytical ...
Hiroki SUZUKI, Kento TANAKA, Toshinori KOUCHI   +2 more
doaj   +1 more source

Evaluation of turbulence measurement techniques from a single Doppler lidar [PDF]

Atmospheric Measurement Techniques, 2017
Measurements of turbulence are essential to understand and quantify the transport and dispersal of heat, moisture, momentum, and trace gases within the planetary boundary layer (PBL).
T. A. Bonin, T. A. Bonin, A. Choukulkar, A. Choukulkar, W. A. Brewer, S. P. Sandberg, A. M. Weickmann, A. M. Weickmann, Y. L. Pichugina, Y. L. Pichugina, R. M. Banta, S. P. Oncley, D. E. Wolfe   +12 more
doaj   +1 more source