GMAW shielding gas flow optimisation by refinement of nozzle geometry [PDF]
, 2013 With an ongoing demand to improve the efficiency of the gas metal arc welding process, steps are being taken to reduce the shielding gas consumption. However, sufficient shielding gas coverage of the weld region is essential for the generation of high ...
S.W. Campbell +5 more
core +4 more sources
MIG gas shielding : Economic savings without detriment to quality [PDF]
, 2011 Over the years a number of claims have been made related to potential savings of the shielding gas used in the MIG process. A number of work streams have been set up to consider such areas from a technical and economic standpoint. The use of small helium
Gillies, Andrew +6 more
core +4 more sources
Artificial neural network optimisation of shielding gas flow rate in gas metal arc welding subjected to cross drafts when using alternating shielding gases [PDF]
, 2015 This study implemented an iterative experimental approach in order to determine the shielding gas flow required to produce high quality welds in the gas metal arc welding (GMAW) process with alternating shielding gases when subjected to varying ...
Ley, F.H. +3 more
core +4 more sources
Overhead power lines magnetic field reducing in multi-story building by active shielding means
Electrical engineering & Electromechanics, 2021 Aim. Reducing of magnetic flux density of magnetic field in multi-storey building, generated by overhead power lines to the sanitary standards level by active shielding means.
B. I. Kuznetsov +4 more
doaj +1 more source
Magnetic Field Active Shielding of Overhead Power Lines with Triangular Phase Conductors Arrangements [PDF]
Problems of the Regional Energetics, 2020 . The purpose of the work is synthesis of two degree of freedom robust two circuits system of active shielding of magnetic field, generated by overhead power lines with triangular phase conductor’s arrangements for reducing the initial magnetic flux ...
Kuznetsov B., Nikitina T., Bovdui I.
doaj +1 more source
Impact of aperture angle on magnetostatic shielding performances of magnetic shield cylinders
AIP Advances, 2022 The spin exchange relaxation free (SERF) atomic magnetometer plays an important role in ultrahigh sensitive magnetic measurements. With the improvement of signal response and the reduction of sensor noise, the sensitivity of the SERF atomic magnetometer ...
Lei Wang +3 more
doaj +1 more source
IEEE Access, 2022 This paper presents a simple guideline for configuration of the shielding materials that mitigates the extremely low-frequency (ELF) magnetic fields generated by power facilities located close to our daily life activities.
Kibeom Kim, Minsang Kim, Sangwook Park
doaj +1 more source
Techno-economic evaluation of reducing shielding gas consumption in GMAW whilst maintaining weld quality [PDF]
, 2012 A new method of supplying shielding gases in an alternating manner has been developed to enhance the efficiency of conventional gas metal arc welding (GMAW).
Campbell, Stuart +2 more
core +4 more sources
Effects of Magnetic Shielding Configuration on Discharge Characteristics and Performance of a 60 mm-Diameter Low-Power Hall Thruster [PDF]
Journal of Aerospace Technology and Management, 2021 Lifetime is a main factor restraining the application of low-power Hall thruster. Magnetic shielding configuration is regarded as a promising method to prolong the lifespan of Hall thruster.
Weilong Guo +4 more
doaj +2 more sources
Electrical engineering & Electromechanics, 2020 Aim. The synthesis, computer modeling and field experimental research of two degree of freedom robust two circuit system of active shielding of magnetic field with circular space-time characteristic, generated by overhead power lines with «triangle» type
B. I. Kuznetsov +2 more
doaj +1 more source