Results 71 to 80 of about 41,996 (315)

Triboelectric Nanogenerators Enable Multifunctional Ice Accretion, Melting, and Interfacial Fracture Detection

open access: yesAdvanced Materials, EarlyView.
Water impacting, freezing, melting, and being mechanically removed from the designed dielectric surfaces generates a triboeletric signal that can be used to detect various icing and de‐icing scenarios. The charge transferred directly scales with the interfacial fracture mechanism, further validating triboelectricity as an excellent ice‐detection ...
Kamran Alasvand Zarasvand   +12 more
wiley   +1 more source

The Effect of Natural Convection on Equiaxed Dendritic Growth: Quantitative Phase-Field Simulation and Comparison with Synchrotron X-Ray Radiography Monitoring Data

open access: yesAdvances in Materials Science and Engineering, 2016
A two-dimensional (2D) quantitative phase-field model solved by adaptive finite element method is employed to investigate the effect of natural convection on equiaxed dendritic growth of Al-4 wt.%Cu alloy under continuous cooling condition. The simulated
Xin Bo Qi   +3 more
doaj   +1 more source

THE PECULIARITIES OF THERMAL INDUCEMENT VENTILATION SYSTEMS

open access: yesВестник СибАДИ, 2018
Introduction. For increasing the efficiency of natural ventilation systems, it is possible to use the thermal incentives - additional heating of the exhaust  ventilation duct, which allows to expand temperature difference between  ambient and exhaust air
D. V. Abramkina
doaj   +1 more source

Durable Low‐Interfacial Toughness PDMS/SiO2 Coatings with Superior Anti‐Icing and Large‐Scale Deicing Performance in the Natural Field

open access: yesAdvanced Materials Interfaces, EarlyView.
Low‐interfacial toughness PDMS/SiO2 coatings are applied to aluminum substrates and tested under natural high‐altitude conditions. The coatings demonstrate strong anti‐icing, icephobic, and large‐scale deicing performance. Field results highlight delayed freezing, reduced ice adhesion, and stable durability, offering practical insights into the use of ...
Tao Zhu   +7 more
wiley   +1 more source

Effects of Blanching and Natural Convection Solar Drying on Quality Characteristics of Red Pepper (Capsicum annuum L.)

open access: yesInternational Journal of Food Science, 2017
The objective of this work was to determine the effects of blanching and two drying methods, open-sun drying and natural convection solar drying, on the quality characteristics of red pepper. A 2 × 3 factorial design with experimental factors as 2 drying
James Owusu-Kwarteng   +2 more
doaj   +1 more source

Surface‐Engineered Solar‐Driven Interfacial Evaporation: Innovations and Challenges

open access: yesAdvanced Materials Interfaces, EarlyView.
This review summarizes the fundamental principles of solar‐driven evaporation and presents methodologies for evaluating key performance parameters. Particular attention is given to the design of surface‐engineered evaporators, especially those incorporating polyelectrolyte‐modified interfaces to enhance water activation.
Xiayun Huang   +4 more
wiley   +1 more source

Numerical Research on Cooling Performance of Magnetic Nanofluids in a Natural Convection Transformer

open access: yesChemical Engineering Transactions
The transformer is extensively cooled internally by natural convection, which can handle most electrical load conditions and ensure that the maximum internal temperature (hot spot temperature) does not exceed the allowable value.
Yingjie Gu   +5 more
doaj  

Unraveling the Effects of Improved Cooling and Bias Force in the Actuation of a Shape‐Memory Soft Multimaterial Gripper

open access: yesAdvanced Materials Technologies, EarlyView.
This study examines a soft gripper with a NiTiCu6 Shape Memory Alloy (SMA) wire embedded in a graphene nanoparticle (GNP)‐functionalized PDMS matrix. Comparing GNP‐enhanced and plain elastomer prototypes, results show that GNPs improve cooling rates, accelerating release by 40%, but increase energy consumption in low‐current activations.
Fabio Lazzari   +5 more
wiley   +1 more source

Experimental study of a natural convection indirect solar dryer. [PDF]

open access: yesHeliyon, 2023
Ennissioui J   +2 more
europepmc   +1 more source

How to Manufacture Photonic Metamaterials

open access: yesAdvanced Materials Technologies, EarlyView.
Metamaterials boast applications such as invisibility and “hyperlenses” with resolution beyond the diffraction limit, but these applications haven’t been exploited in earnest and the market for them hasn’t grown much likely because facile and economical methods for fabricating them without defect has not emerged.
Apurba Paul, Gregory Timp
wiley   +1 more source

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