Results 151 to 160 of about 31,423 (360)
Dangerous Voltages due to Direct Lightning Strike into the Communication Tower
This paper presents a novel technique for computing dangerous voltages due to direct lightning strike into the communication tower and associated earthing system, which is based on the use of the well-known ATP-EMTP software package.
Slavko Vujević, Petar Sarajčev
doaj
Prevention and treatment of COVID-19 infection by earthing. [PDF]
Mousa HA.
europepmc +1 more source
Hyperspectral soil albedo in Earth system models significantly impacts radiative forcing bias
Renato K. Braghiere
openalex +1 more source
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm +6 more
wiley +1 more source
An indexing and classification system for earth-science data bases [PDF]
James C. Schornick +3 more
openalex +1 more source
Setup‐Optimized Sequencing in Job Shops: Modeling Workstation Productivity and Lateness Behavior
Setup‐optimized sequencing in job‐shop production creates a trade‐off between productivity improvement and schedule reliability. A WIP‐explicit modeling framework links sequencing‐induced productivity gains and lateness dispersion through the production operating curve.
Friederike Stefanowski +2 more
wiley +1 more source
A BEM formulation for computational design of grounding systems in stratified soils [PDF]
4th World Congress on Computational Mechanics, 1998, Buenos Aires[Abstract] Substation grounding design involves computing the equivalent resistance of the earthing system -for reasons of equipment protection-, as well as distribution of potentials on ...
Aneiros Blanco, Juan M. +3 more
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Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere
In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron spectroscopy. The methodology proved successful; however, the results were highly dependent on the preparation of the solvents used to clean the samples after ...
Friedrich Bürger +2 more
wiley +1 more source
The formation of nonmetallic inclusions (NMIs) was investigated in this study, carrying out immersion tests for 30 min at a temperature of 1600°C with liquid high‐silicon electrical steel (Si ≈ 3 mass‐%) and different MgO–C refractories. Conventional MgO–C refractories were considered, as well as MgO–C refractories containing MgO–C recyclate and ...
Lukas Neubert +6 more
wiley +1 more source
A computer aided design system for the analysis of transferred potentials in earthing systems [PDF]
Third International Conference on Engineering Computational Technology, Praga, Czech Republic[Abstract] In this work we present a CAD system based on this BEM numerical formulation for the analysis of a common problem in electrical engineering practice,
Casteleiro, Manuel +4 more
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