Results 1 to 10 of about 9,782,476 (251)

Pore space of steatite ceramics triggered by the allowance of natural fibers: High-resolution X-ray microscopy analysis and related thermo-mechanical properties

open access: yesMaterials & Design, 2022
A large number (greater than 150) of porous steatite ceramic rods were prepared using different types of renewable plant fiber products as pore-forming agent with mass contents ranging from 2 to 10%.
Lukas Perfler   +6 more
doaj   +1 more source

Use of aerodynamically favorable tapered form in contemporary supertall buildings

open access: yesJournal of Design for Resilience in Architecture and Planning, 2022
Today, supertall buildings can be constructed in unusual forms as a pragmatic reflection of advances in construction techniques and engineering technologies, together with advanced computational design tools for architectural design.
Hüseyin Emre Ilgın
doaj   +1 more source

Numerical Investigation of Flow around Two Tandem Cylinders in the Upper Transition Reynolds Number Regime Using Modal Analysis

open access: yesJournal of Marine Science and Engineering, 2022
Flow around two tandem cylinders at Re = 3.6 × 106 for different center-to-center spacing ratio (L/D) is investigated numerically using two-dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes (URANS) equations combined with a standard k−ω SST ...
Anastasiia Nazvanova   +2 more
doaj   +1 more source

Numerical Analysis of the Effect of Offshore Turbulent Wind Inflow on the Response of a Spar Wind Turbine

open access: yesEnergies, 2020
Turbulent wind at offshore sites is known as the main cause for fatigue on offshore wind turbine components. Numerical simulations are commonly used to predict the loads and motions of floating offshore wind turbines; however, the definition of ...
Rieska Mawarni Putri   +3 more
doaj   +1 more source

Wood-derived high-performance cellulose structural materials

open access: yese-Polymers, 2023
The threats of nonrenewable energy consumption and environmental disruption caused by the extensive use of metals and polymers derived from petroleum have prompted the development of eco-friendly, high-performance, and long-lasting structural materials ...
Yan Wenze   +4 more
doaj   +1 more source

Measurement of Cable Force through a Fiber Bragg Grating-Type Thin Rod Vibration Sensor and Its Application

open access: yesSensors, 2022
The key to evaluating the health status of cable-stayed bridges lies in the accuracy of cable force measurement. When measuring the cable force using the conventional frequency method, the clearance between the bracing cable and the protective tube is ...
Wanxu Zhu   +4 more
doaj   +1 more source

Assessing the Technical Specifications of Predictive Maintenance: A Case Study of Centrifugal Compressor

open access: yesApplied Sciences, 2021
Dependability analyses in the design phase are common in IEC 60300 standards to assess the reliability, risk, maintainability, and maintenance supportability of specific physical assets.
Helge Nordal, Idriss El-Thalji
doaj   +1 more source

Experimental investigation of crack width variation along the concrete cover depth in reinforced concrete specimens with ribbed bars and smooth bars

open access: yesCase Studies in Construction Materials, 2021
Crack width variation along the concrete cover depth has been studied from the past for better understanding of the cracking phenomenon in reinforced concrete (RC) structures.
Chavin N. Naotunna   +2 more
doaj   +1 more source

Evaluation of Irradiation Properties for Fusion Structural Materials

open access: yesCailiao gongcheng, 2018
On the basis of specific irradiation conditions in fusion reactor, the advantages and limitations of the main proposed irradiation facilities including ion irradiation, fission neutron irradiation, spallation neutron irradiation and fusion neutron ...
HE Pei   +3 more
doaj   +1 more source

Influence of the Ductility Exponent on the Fatigue of Structural Steels

open access: yesMetals, 2023
Fatigue models using the strain-life method do not show exact conformity with the empirical results. Therefore, the use of the mean-stress correction approach is to be evaluated, with a particular focus on mild and higher-strength steel. The influence of
Martin Kreithner   +2 more
doaj   +1 more source

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