Results 141 to 150 of about 7,191 (312)

Application of meshless methods to the analysis and design of grounding systems [PDF]

open access: yes, 1998
4th World Congress on Computational Mechanics, 1998, Buenos Aires[Abstract] Analysis and design of grounding systems of electrical installations involves computing the potential distribution in the earth and the equivalent resistance of the system ...
Casteleiro, Manuel   +3 more
core  

Investigation of Oxygen‐Free Wetting Behavior of Aluminum on Copper via Molecular Dynamics Simulations and Experiments

open access: yesAdvanced Engineering Materials, EarlyView.
The wettability of aluminum droplets (Al) on different copper substrates (Cu), where liquid Al spreads on solid Cu surfaces to form a liquid–solid interface, is studied numerically and experimentally. The experimental and numerical results show good agreement in the fast‐spreading regime.
Shan Lyu   +8 more
wiley   +1 more source

Design and Validation of an Enhanced Earthing System for Low Ground Resistance [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
Grounding systems are critical for ensuring electrical safety, minimizing fault currents, and enhancing infrastructure reliability, particularly in regions with high-resistivity soil.
Akinola Oladeji, Samuel Nahum
doaj  

Earhthing performance of HV/MV substation and its effect on nearby structures [PDF]

open access: yes, 2015
Nowadays, with more of suburban area developed into an urban area, power system for transmission and distribution have become more critical with the growing of load demand in the area.
Rahimin, Nornikman
core  

Dynamic Testing of Cold Gas Sprayed Bipolar Plates–Porous Transport Layer Coating System in Proton Exchange Membrane Water Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Through direct application of porous transport layer (PTL) on the bipolar plate (BPP) with thermal spraying, the interfacial contact resistance is improved. With the cold gas sprayed BPP–PTL coating system, a proton exchange membrane water electrolysis cell with a cell voltage of Ucell = 1.9 V can be operated up to i = 2.5 A/cm2 in a dynamic mode ...
Kirsten Bobzin   +5 more
wiley   +1 more source

Reliability analysis and life cycle costing of rooftop solar photovoltaic (PV) system operating in a composite environment

open access: yesScience and Technology for Energy Transition
Solar PhotoVoltaic (PV) systems are becoming increasingly common, so it is critical to understand how system or component failure impacts lifetime costs.
Pimpalkar Rita   +4 more
doaj   +1 more source

Analysis of IVAT laboratory grounding system using CDEGS software [PDF]

open access: yes, 2014
Practical tests on grounding systems has proved very costly and pose hazards on operating personnel. Therefore, numerical methods using computers provide the m ost appropriate tool to assess the earthing systems.
Osman Mohamed, Mohamed Abdalla
core  

Productivity‐Driven Optimization of Laser Powder Bed Fusion Parameters for IN718 Superalloy: Process Control, Microstructure, and Mechanical Properties

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates how optimizing laser power, scanning speed, and hatching distance in laser powder bed fusion can boost the productivity of Inconel 718 manufacturing by up to 29% while maintaining mechanical integrity. The work delivers a validated process window and cost–time analysis, offering industry‐ready guidelines for efficient additive ...
Amir Behjat   +7 more
wiley   +1 more source

Evaluation of Impact from Ripple and Transient Phenomena in the LHC Dipole Strings [PDF]

open access: yes, 1996
Based on measurements of the A.C. electrical characteristics of prototype magnets, synthesized computer models of the principal, individual, superconducting magnetic elements of the Large Hadron Collider have been elaborated.
Dahlerup-Petersen, K, Schmidt, F
core  

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