Results 71 to 80 of about 50,819 (267)

Effects of distance between the T-shaped spur dikes on flow and scour patterns in 90° bend using the SSIIM model

open access: yesAin Shams Engineering Journal, 2016
In this paper, flow and scour patterns resulted from the installation of two T-shaped spur dikes were evaluated in a 90° bend under clear water conditions.
Vaghefi Mohammad   +2 more
doaj   +1 more source

Intrinsically Stretchable Piezoelectric Nanocomposites for Artificial Ultrasonic Sensory Synapse

open access: yesAdvanced Materials, EarlyView.
Applying ultrasonic stimulations to a soft‐stretchable underwater piezoelectric sensor based on the soft‐stretchable nanocomposite from the thermal cross‐linking between the ─C─F group of P(VDF‐TrFE) and the ─NH2 group of (PEG‐diamine) with incorporating amine‐terminated BTO@APTES nanofillers on the soft PDMS substrates generated high piezoelectric ...
Trung Dieu Do   +11 more
wiley   +1 more source

Wind Tunnel Experiment and Numerical Simulation of Secondary Flow Systems on a Supersonic Wing

open access: yesAerospace
Aircraft secondary flow systems are small-flow circulation devices that are used for thermal and cold management, flow control, and energy generation on aircraft. The aerodynamic characteristics of main-flow-based inlets have been widely studied, but the
Sheng Zhang   +6 more
doaj   +1 more source

The mechanics of submerged granular flows

open access: yes, 2015
The thesis tackles the mechanics of submerged granular flows driven by gravity, focusing on the rheological formulations and on the numerical solutions of the equations that govern this type of flow. In particular, a two-phase approach is assumed. The liquid phase, usually water, is described with a Newtonian rheology.
openaire   +1 more source

Bioinspired Adaptive Surfaces for Intelligent Liquid Manipulation: Progressing From Passive and Active to Hybrid Strategies

open access: yesAdvanced Materials, EarlyView.
This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao   +3 more
wiley   +1 more source

Flow Pattern Investigation at Bridge Abutment with and without Installed Submerged Vane [PDF]

open access: yesعلوم و مهندسی آبیاری, 2014
In this paper the results of measurement of three components of flow velocity around the bridge abutment with and without installed submerged vane are presented.
Kheiralah Khademi   +2 more
doaj  

Ultrathin Hydrogel Membranes Inspired by Soap Films Enable Physiologically Relevant Breathing Lung Models

open access: yesAdvanced Materials, EarlyView.
A soap‐film inspired strategy enables the fabrication of ultrathin yet robust GelMA‐PAAm membranes for breathing lung culture. The hydrogel membrane supports long‐term cyclic deformation under air‐liquid interface conditions, enabling physiologically relevant breathing motions of engineered lung tissue culture. ABSTRACT Breathing continuously stretches
Yunji Lee   +9 more
wiley   +1 more source

Spatial Control of Light‐Responsive Proteins and Optogenetics Within Hydrogels via Volumetric Bioprinting

open access: yesAdvanced Materials, EarlyView.
Spatiotemporal control over cell behavior within bioprinted constructs remains a key challenge in biofabrication. Volumetric bioprinting using multi‐wavelength light sources permits to activate light‐sensitive intracellular proteins as well as optogenetic gene and protein expression circuits in bioprinted cells, in addition to enabling fast printing of
Davide Ribezzi   +14 more
wiley   +1 more source

S‐Nitrosothiols as Thiol‐Protecting Groups for Controlled Thiol‐Maleimide Crosslinking of Homogeneous Soft Hydrogels

open access: yesAdvanced Materials, EarlyView.
Rapid thiol‐maleimide addition frequently outpaces mixing, resulting in heterogeneous hydrogels. S‐nitrosothiols act as thiol‐protecting groups, allowing uniform mixing with maleimide‐functionalized polymers before gelation. Sodium thiosulfate or sodium ascorbate then regenerates thiols on demand, triggering controlled thiol‐maleimide crosslinking ...
Julian A. Serna   +7 more
wiley   +1 more source

A new numerical simulation approach for 2-D flow with submerged spur-dikes

open access: yesShui kexue jinzhan, 2014
A new two-dimensional numerical model is presented to simulate the flow in the vicinity of submerged spurdikes,which employs a finite volume method based on structured triangular mesh,and considers water depth around dikes in continuity and momentum ...
XU Hui   +3 more
doaj   +1 more source

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