Results 71 to 80 of about 3,005,235 (229)

Floating Platform Geometry as a Frequency‐Selective Mechanism for Triboelectric Wave Energy Harvesting

SmartSys, Volume 2, Issue 3, September 2026.
ABSTRACT Ocean wave energy has enormous potential for sustainable power generation but conventional technologies often face challenges in efficiency, durability, and adaptability to specific sites. Triboelectric nanogenerators (TENGs) are able to convert irregular and low frequency water motion into electrical energy, but their performance depends on ...
Catia Rodrigues, Ricardo Esteves, José Correia, Carlos Callaty, Daniel Clemente, Paulo Rosa‐Santos, Francisco Taveira‐Pinto, Andre Pereira, João Ventura   +8 more
wiley   +1 more source

Connections of Trapezoidal Sheets under Fire

Acta Polytechnica, 2009
This paper describes two different experiments on connections of trapezoidal sheets under elevated temperatures. The first experiments were tensile tests carried out on four sets of tests with screwed connections under ambient and elevated temperatures ...
P. Kallerová, F. Wald, Z. Sokol
doaj  

Catenary Rheological Model: A Compact Function for Describing Ceramic Suspension Viscosity

Journal of the American Ceramic Society, Volume 109, Issue 9, September 2026.
ABSTRACT The Catenary Rheological Model (CRM) provides a compact functional description of the viscosity of ceramic suspensions across a wide range of solid loadings. The proposed formulation captures both dilute and concentrated regimens within a single analytical expression using only two parameters.
Patrik Sokola, David Markusík, František Šoukal, Tomáš Opravil, Martin Sahuľ, Petr Ptáček   +5 more
wiley   +1 more source

Development of Analytical Solutions and Verification Experiments for Axially Restrained Reinforced Concrete Beams in a Fire

Buildings
Fire-induced structural failure in axially restrained reinforced concrete (RC) beams is a critical concern in structural fire engineering. Comparative analysis with Eurocode and ASTM E119 fire safety guidelines reveals discrepancies between theoretical ...
Seungjea Lee, Daehoi Kim, Heewon Seo, Jeonguk Kim, Sungho Hong   +4 more
doaj   +1 more source

Simulation modeling of the Adjustable Buoyancy Device for open ocean low trophic aquaculture, part I: Test of a submersible long tube unit

Journal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract Open‐water low‐trophic aquaculture (LTA) is a sustainable method for producing ocean‐based food and providing ecosystem services. An effective system design is critical for mitigating risks posed by deep ocean forces. Developing submersible cultivation technology requires quantitative risk analysis and modeling to address offshore challenges ...
Oladokun Sulaiman Olanrewaju, Bela H. Buck   +1 more
wiley   +1 more source

Study on the Component-Based Model of an All-Welded Beam-Column Connection for Progressive Collapse Analysis

Advances in Civil Engineering, 2020
The mechanical behavior of all-welded beam-column connections of steel frames during progressive collapse was numerically studied using finite element simulations. The validation of the numerical model was based on a previous test model.
Fuzhe Xie, Wenyuan Liu, Bin Gu, Hai Qian
doaj   +1 more source

Soil Diversity and Climate: An Overview of Profile Data and Acquisition With the WoSIS Global Legacy Dataset

European Journal of Soil Science, Volume 77, Issue 4, July/August 2026.
ABSTRACT Soil profiles are the primary field evidence from which pedogenesis, soil classification and land‐use effects are interpreted, yet their availability remains uneven across climates and land‐cover contexts. Here, we analyse the World Soil Information Service (WoSIS) 2023 snapshot together with Copernicus Global Land Cover 2015 and the global ...
Calogero Schillaci, Grace B. Alves, Mohamed Bayad, Boglarka Bozoki, Giulia Bondi, Christopher R. Burn, Timo Breure, Giacomo Certini, Songchao Chen, Michele E. D'Amico, Mauro De Feudis, Axel Cerón González, Jaqueline Hannam, Danny Itkin, Arwyn Jones, Michael Maerker, Stephan Mantel, Erika Michéli, Luca Montanarella, Panos Panagos, Thilo Rennert, Sergio Saia, Riccardo Scalenghe, Simone Scarpa, Fabio Terribile, William Trenti, Diana Vieira, Simona Vingiani, Felipe Yunta, Yushu Xia, Ioannis Zafeiriou, Pandi Zdruli, Claudio Zucca, Daniel L. Evans   +33 more
wiley   +1 more source

The pantograph-catenary arc test system for high-speed railways

, 2012
High speed electric multi units (EMU) get power through pantograph-centenary electrical contact. As the EMU running velocity increases, rail surface irregularities, undulations of the catenary and vibrations of the pantograph head cause the status of ...
Wu, Guang-Ning, Wang, Bo, Liu, Dong-Lai, Gao, Guo-Qiang, Wang, Wan-Gang, Cui, Yi   +5 more
core   +1 more source

Evolution and Conceptual Insights into the Geometric Phase of Light: A Comprehensive Review

Advanced Photonics Research, Volume 7, Issue 6, June 2026.
This review presents a unified account of the geometric phase of light, linking its fundamental principles to diverse manifestations in polarization, spatial, and vector modes. By connecting theoretical frameworks with key experimental realizations, it reveals a coherent physical picture that deepens understanding and stimulates new directions in ...
A. Srinivasa Rao
wiley   +1 more source

Stages of Resistance of Reinforced Concrete Frames in Accidental Design Situation

Structural Mechanics of Engineering Constructions and Buildings
The study addresses the stress-strain state stages of reinforced concrete frames in zones of potential local collapse due to failure of a vertical element, such as a column or pylon.
Sergei Yu. Savin
doaj   +1 more source