Results 71 to 80 of about 228,648 (305)
Optimizing the Shape of the Spinning Electrode for Needleless Coaxial Electrospinning
Applied SciencesThis work deals with designing the optimal shape of the spinning electrode to optimize the distribution of the electric field and suppress the formation of corona discharges on the surface of the electrode during electrospinning using direct current (DC).
Ondrej Batka +2 more
doaj +1 more source
Method and apparatus for nondestructive testing [PDF]
, 1974 High voltage is applied to an arc gap adjacent to a test specimen to develop a succession of high frequency arc discharges. Those high frequency arc discharges generate pulses of ultrasonic energy within the test specimen without requiring the arc ...
Hoop, J. M.
core +1 more source
Duplex Stainless Steel Laser‐Surface Textured: Stability in Brine Solution
Advanced Engineering Materials, EarlyView.Controlled laser‐surface treatment (LST) of duplex DSS2205 steel is performed to increase its stability in brine solution under cyclic electrochemical assays. The superior protection with respect to flat and smooth panels is attributed to the presence of FeCr2O4 as the main protective oxide layer in the LST surface, after corrosion tests. The stability
Mohammad Rezayat +5 more
wiley +1 more source
, 2006 International audienceDuring the ageing of in service medium voltage equipments, electrical losses are mainly due to partial discharges. These partial discharges can lead to the electrical failure of industrial equipments.
Claire-Sophie, Maroni +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel +6 more
wiley +1 more source
AtmosphereThis study investigates the behavior of spark discharges under various environmental conditions to simulate aspects of early-stage lightning dynamics, with a focus on their spectral characteristics, propagation, and ionization behavior.
Gabriel Steinberg, Naomi Watanabe
doaj +1 more source
CURRENT DISTRIBUTION OF AC SURFACE DISCHARGES AND ASSOCIATED CHEMISTRY
, 2006 It is shown that ac discharges propagating at an air / dielectric interface, though of planar structure, behave, till a critical voltage Vcrit, as corona discharges in an air gap, with similar propagation fields for the filamentary discharge components ...
Dhainaut, Marielle +4 more
core +2 more sources
Advanced Engineering Materials, EarlyView.Additive manufacturing (AM) allows great geometric freedom for lightweight components. As parts are progressively optimized exploiting potentials in AM leading in smaller material cross sections, high pressure solution treating and aging (STA) treatments show an enormous potential for strongly improving material properties.
Mika León Altmann +4 more
wiley +1 more source
Surface Discharges and Flashover Modelling of Solid Insulators in Gases
Energies, 2020 The aim of this paper is the presentation of an analytical model of insulator flashover and its application for air at atmospheric pressure and pressurized SF6 (Sulfur Hexafluoride). After a review of the main existing models in air and compressed gases,
Mohammed El Amine Slama +2 more
doaj +1 more source
Discharges on a negatively biased solar array in a charged particle environment [PDF]
The charging behavior of a negatively biased solar cell array when subjected to a charged particle environment is studied in the ion density range from 200 to 12 000 ions/sq cm with the applied bias range of -500 to -1400 V.
Snyder, D. B.
core +1 more source