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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A computational fluid dynamic analysis of the effect of side draughts and nozzle diameter on shielding gas coverage during gas metal arc welding

Ramsey, Gemma and Galloway, Alexander and McPherson, Norman and Campbell, Stuart and Scanlon, Thomas (2012) A computational fluid dynamic analysis of the effect of side draughts and nozzle diameter on shielding gas coverage during gas metal arc welding. Journal of Materials Processing Technology, 212 (8). pp. 1694-1699. ISSN 0924-0136

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Galloway_AM_Pure_A_computational_fluid_dynamic_analysis_of_the_effect_of_side_draughts_and_nozzle_diameter_on_shielding_gas_coverage_during_gas_metal_arc_welding_2012_2_.pdf - Preprint

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Abstract

Extensive experimental trials were conducted, emulating the conditions modelled, in order to validate the computational fluid dynamic results. Final results demonstrated that a more constricted nozzle was more effective at creating a stable gas column when subjected to side draughts. Higher shielding gas flow rates further reduce the gas column's vulnerability to side draughts and thus create a more stable coverage. The results have highlighted potential economic benefits for draught free environments, in which, the shielding gas flow rate can effectively be reduced.