Results 171 to 180 of about 564,776 (415)

Subsurface State Bilayer in Tetragonal Ferroelectric BaTiO3

open access: yesAdvanced Materials Interfaces, EarlyView.
The subsurface Ba2+disorder, reveals the pairs of O vacancies (VO++$V_O^{ + + }$ s) and small polarons (SPe‐SPe−$SP_e^ - $ s) (Figure a–b), with the charge balance, as the following: Ti3++[VO+++SPe−]pair↔Ti4+${{T}_i}^{3 + } + {{[V_O^{ + + } + SP_e^ - ]}_{pair}} \leftrightarrow T_i^{4 + }$ which is consistent with observed low‐energy electron ...
Junhao Chen   +12 more
wiley   +1 more source

Roll‐to‐Roll (R2R) Processing of Large‐Area Flexible Piezoresistive Films with Magnetically Z‐Aligned Nickel Microcolumnar Morphology

open access: yesAdvanced Materials Technologies, EarlyView.
Development of processing window for the continuous manufacturing of flexible and anisotropic piezoresistive films using magnetic‐field assisted alignment of Ni particles on a roll‐to‐roll processing line. Abstract Flexible pressure sensors are highly sought after for applications like rehabilitation healthcare, advanced wearable electronics ...
Nagarpita Moka Vidyanag   +3 more
wiley   +1 more source

Experimental study of wind tunnel performance by a two-component laserDopplerAnemometer

open access: yesSalāmat-i kār-i Īrān, 2005
Background and Aims: This survey studies the wind tunnel performance by a two- componentlaser Doppler Anemometer, so some experiments were carried out to assess the performance of awind tunnel.Method: The tunnel was capable to produce air velocity of up ...
M Pourmahabadian
doaj  

Hot-bench simulation of the active flexible wing wind-tunnel model [PDF]

open access: yes
Two simulations, one batch and one real-time, of an aeroelastically-scaled wind-tunnel model were developed. The wind-tunnel model was a full-span, free-to-roll model of an advanced fighter concept.
Buttrill, Carey S., Houck, Jacob A.
core   +1 more source

WIND TUNNEL TEST FOR MEMBRANE STRUCTURE

open access: yesWind Engineers, JAWE, 1999
Membrane structures are very light weight structure and those deflection at strong wind are very large, frequently. Therefore, wind tunnel tests has been planned to investigate aerodynamic behavior. The model for test requir that many similarity parameters are matched for model and prototype. In practice, it is almost impossible to match all similarity
openaire   +3 more sources

New Efficient D‐π‐A and A‐π‐A Structured Type I Radical Photoinitiators for Additive Manufacturing Nanomaterials Preparation

open access: yesAdvanced Materials Technologies, EarlyView.
Groundbreaking advancements are discovered in 3D printing with new type‐I radical photoinitiators, including 1,1‐dimethoxy‐1‐phenylpropan‐2‐one. These innovative compounds, effective under visible light, enhance photopolymerization of acrylates and methacrylates, facilitating the creation of efficient nanocomposites and unlock the future of polymer ...
Andrzej Świeży   +5 more
wiley   +1 more source

The Design of Autonomous UAV Prototypes for Inspecting Tunnel Construction Environment [PDF]

open access: yesarXiv
This article presents novel designs of autonomous UAV prototypes specifically developed for inspecting GPS-denied tunnel construction environments with dynamic human and robotic presence. Our UAVs integrate advanced sensor suites and robust motion planning algorithms to autonomously navigate and explore these complex environments.
arxiv  

Fully Printed Variable Orifice Flowmeter with Built‐In Temperature Compensation for Application in Mechanical Ventilation

open access: yesAdvanced Sensor Research, EarlyView.
Additive manufacturing, specifically fused deposition modeling, offers an innovative approach to creating 3D‐printed variable orifice flowmeters with integrated temperature compensation. Using carbon‐black TPU, the primary component (a variable orifice) and the secondary element (a diaphragm pressure sensor) are fabricated.
Vincenzo Saroli   +2 more
wiley   +1 more source

Kasprzyk airfoil. The first wind-tunnel tests [PDF]

open access: yes
The Kasprzyk slotted flap glider airfoil (the Kasper wing) enabling glider flight at 32 km/h and 0.5 m/sec descent speed was wind tunnel tested in the U.S. The test layout is described and reasons offered for discrepancies between wind tunnel results and
Wusatowski, T.
core   +1 more source

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