Results 111 to 120 of about 3,572,422 (285)

Coordinated Architectural and Chemical Reinforcement in the Crushing Mandible of a Soldier Termite

open access: yesAdvanced Functional Materials, EarlyView.
The crushing mandible of a soldier termite withstands substantial biting loads despite lacking mineral. Its cuticle is partitioned: convex teeth pair hardness and zinc enrichment with aligned chitin fibers for contact durability, while stiffer concave regions between teeth carry bending loads.
Andrew Tran Nguyen   +16 more
wiley   +1 more source

Dynamically Actuated Reconfigurable Topographical Surface Enables Active Control of Implant‐Associated Infections

open access: yesAdvanced Functional Materials, EarlyView.
A dynamically actuated reconfigurable topographical surface (DARTS) integrates contact‐mediated bactericidal nanotopography with programmable mechanical actuation to actively disrupt bacterial biofilms. Dynamic surface reconfiguration enhances bacterial killing and suppresses implant‐associated infections in vivo, providing a new strategy for active ...
Mohammad Asadi Tokmedash   +4 more
wiley   +1 more source

Thermal-flow characteristics analysis of a novel resilient capacity ceramic insulated winding dry type transformer

open access: yesAIP Advances
With the increasing demand for the resilient capacity of transformers in high-proportion renewable energy grids, the overload capacity of transformers and the thermal conductivity of winding insulation materials have been put forward as important ...
Haomin Li   +4 more
doaj   +1 more source

Life Cycle Assessment and Capitalized Cost of Transformer Overload: A Multi-Regional Study in Ecuador

open access: yesEngineering Proceedings
This study presents an integrated thermo-economic framework for evaluating the impact of daily overload on the aging and cost performance of oil-immersed distribution transformers.
Juan David Ramírez   +3 more
doaj   +1 more source

2D Co‐Assembly of Solid Acids Enables Stable Superprotonic Conduction Above 260°C

open access: yesAdvanced Functional Materials, EarlyView.
A two‐dimensional co‐assembly strategy integrates antimony phosphate and phosphotungstic acid nanosheets into free‐standing inorganic lamellar membranes with confined acid–acid interfaces. The resulting interfacial hydrogen‐bond network enables anhydrous proton conductivity exceeding 0.1 S cm−1 at 260°C and supports stable high‐temperature fuel‐cell ...
Qiuning Li   +8 more
wiley   +1 more source

16th IAHR Cooling Tower and Air-cooled Heat Exchanger Conference (IAHR 16)

open access: yes, 2013
Power plants utilizing dry cooling technologies experience a significant reduction in power generation during high ambient temperature periods. In certain instances, dry cooling tower performance can be enhanced during these periods, by spraying water ...
Guan, Z.   +3 more
core   +1 more source

Advanced Computational Modelling of Photovoltaic Module Cooling for Improved Temperature and Efficiency Profiles

open access: yesEngineered Science
Thermal loading remains one of the key constraints limiting photovoltaic (PV) performance, particularly under high-irradiance conditions that elevate module temperatures far above ambient.
Zhannat Bekbolatova   +5 more
doaj   +1 more source

Confinement‐Engineered Thermally Programmed Ion‐Gating Separator for Decoupling Thermal–Electrochemical Feedback in High‐Energy Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A new phase‐change material encapsulated membrane offers more thermal resilience stability and safety than the conventional separators for batteries. ABSTRACT Thermal runaway in lithium‐ion batteries arises from the intrinsic coupling between heat generation and ion transport, yet conventional shutdown separators primarily rely on passive pore collapse
Sumedha Rajpoot   +17 more
wiley   +1 more source

CFD analysis of photovoltaic panel performance under variable weather conditions with natural and forced convective cooling

open access: yesInternational Journal of Renewable Energy Development
The objective of this study is to numerically investigate the influence of climatic conditions, particularly ambient temperature and relative humidity, on the thermal and electrical performance of photovoltaic (PV) panels, and to evaluate the ...
Ayaz Aydin Abduljabbar   +5 more
doaj   +1 more source

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