Results 21 to 30 of about 1,598,056 (300)

Cold-Formed Steel-Concrete Beams

open access: yesJurnal Teknik Sipil, 2012
Light weight material usually be chosen as a material for earthquake resistant building in order to reduce inertia force of the building. In comparison with others section, a cold-formed steel section is a lighter section and makes this section is ...
Ade Lisantono   +2 more
doaj   +1 more source

Characteristics of Miniaturized Air-Bearing Flying over Discrete Track Medium

open access: yesTribology Online, 2007
We have developed a simulation method in which grooves are virtually distributed on a slider air-bearing surface instead of on a grooved medium surface and used it to investigate slider flying performance.
Jianhua Li, Junguo Xu, Yuki Shimizu
doaj   +1 more source

Computational Model Development for Hybrid Tilting Pad Journal Bearings Lubricated with Supercritical Carbon Dioxide

open access: yesApplied Sciences, 2022
Fluid film bearings lubricated with supercritical carbon dioxide (sCO2) eliminate the infrastructural requirement for oil lubricant supply and sealing in turbomachinery for sCO2 power systems.
Syed Muntazir Mehdi, Tae Ho Kim
doaj   +1 more source

Stability exposure of building structural systems under environmental damage

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2022
Environmental impacts on reinforced concrete structures may cause a decrease of in resource of their robustness under design and unforeseen actions.
Sergey Yu. Savin, Natalia V. Fedorova
doaj   +1 more source

Shear critical R/C columns under increasing axial load [PDF]

open access: yes, 2020
Structural elements in old reinforced concrete (R/C) frame buildings are often prone to shear or flexure-shear failure, which can eventually lead to loss of axial load capacity of vertical elements and initiate vertical progressive collapse of a building.
Elwood   +14 more
core   +2 more sources

Finite element analysis of stress distribution and the effects of geometry in a laser-generated single-stage ceramic tile grout seal using ANSYS [PDF]

open access: yes, 2004
Optimisation of the geometry (curvature of the vitrified enamel layer) of a laser-generated single-stage ceramic tile grout seal has carried out with a finite element (FE) model.
Bull C. E.   +5 more
core   +1 more source

The Carbon Nanotubes Effect into Single-lap Joint Failure Modes and Load Capacity: a Macromechanical Analysis [PDF]

open access: yesMaterials Research, 2018
This study investigates the influence of the adhesive (epoxy resin) thickness and the dispersions of non-functionalized carbon based nanostructures (carbon nanotubes - CNT) on mechanical properties of single-lap bonded joints. To achieve this goal, three
Elvis Carneiro Monteiro   +1 more
doaj   +1 more source

Peak shaving through battery storage for low-voltage enterprises with peak demand pricing [PDF]

open access: yes, 2020
The renewable energy transition has introduced new electricity tariff structures. With the increased penetration of photovoltaic and wind power systems, users are being charged more for their peak demand.
Desmet, Jan   +3 more
core   +1 more source

Interfacial bond capacity prediction of concrete-filled steel tubes utilizing artificial neural network

open access: yesCogent Engineering
Concrete-filled steel tubes (CFSTs) have demonstrated superior performance compared to other types of composite columns. The evaluation of interactions between concrete and steel composites is crucial due to their significant impact on the overall ...
Hatem H. Almasaeid   +4 more
doaj   +1 more source

Study on the Static Load Capacity and Synthetic Vector Direct Torque Control of Brushless Doubly Fed Machines

open access: yesEnergies, 2016
Compared to the doubly fed machine, the brushless doubly fed machine (BDFM) has high reliability and low maintenance requirements. First, by taking the negative conjugation of the control motor variables in rotor reference frame, a state-space model of ...
Chaoying Xia, Xiaoxin Hou
doaj   +1 more source

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