Results 31 to 40 of about 27,568 (237)
MATEC Web of Conferences, 2018 The article is dedicated to nonstationary simulation of DC air plasma torch. The mathematical model for the analysis of plasma jet instability is developed. The proposed 2D axisymmetric model demonstrates the physical processes taking place inside and in
Murashov Iurii +3 more
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TORCH (toxoplasmosis, rubella, cytomegalovirus, and herpes simplex virus) screening of small for gestational age and intrauterine growth restricted neonates: efficacy study in a single institute in Korea [PDF]
Korean Journal of Pediatrics, 2018 PurposeRoutine screening for toxoplasmosis, rubella, cytomegalovirus (CMV), and herpes simplex virus (TORCH) in intrauterine growth restriction (IUGR) and small for gestational age (SGA) neonates has become a common practice.
Mi Hae Chung, Chan Ok Shin, Juyoung Lee
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Effect of torch angle on arc properties and weld pool shape in stationary GTAW [PDF]
, 2013 In this paper, a three dimensional numerical simulation is performed on a stationary arc to study the effect of torch angle in gas tungsten arc welding (GTAW) of SS304 stainless steel.
Abid, Muhammad +4 more
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Numerical investigation of the double-arcing phenomenon in a cutting arc torch [PDF]
, 2014 A numerical investigation of the double-arcing phenomenon in a cutting arc torch is reported. The dynamics of the double-arcing were simulated by using a two-dimensional model of the gas breakdown development in the space-charge layer contiguous to the ...
Kelly, Hector Juan +3 more
core +1 more source
Numerical 3D Modeling: Microwave Plasma Torch at Intermediate Pressure
Applied Sciences, 2020 This study represents a self-consistent three-dimensional (3D) fluid plasma model coupled with Maxwell equations at an intermediate pressure between 1000 and 5000 Pa.
Qinghao Shen +3 more
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Investigation of low current gas tungsten arc welding using split anode calorimetry [PDF]
, 2016 Most previous split anode calorimetry research has applied high weld currents which exhibit pseudo Gaussian distributions of arc current and power density.
Colegrove, Paul A. +2 more
core +1 more source
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source
Fast figuring of large optics by reactive atom plasma [PDF]
, 2012 The next generation of ground-based astronomical observatories will require fabrication and maintenance of extremely large segmented mirrors tens of meters in diameter.
Castelli, Marco +3 more
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Advanced 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
Tribology Online, 2012 Hydrogenated amorphous carbon (a-C:H) films were deposited on rubber surface by plasma-enhanced chemical vapor deposition (CVD), using a non-equilibrium atmospheric pressure plasma torch.
Norihito Mizote, Shin-ichi Kuroda
doaj +1 more source