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Effect of beam oscillation on the fluid flow during laser welding
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Mohan, Anand, Ceglarek, Darek and Auinger, Michael (2022) Effect of beam oscillation on the fluid flow during laser welding. Materials Today: Proceedings, 59 (3). pp. 1846-1851. doi:10.1016/j.matpr.2022.04.435 ISSN 2214-7853.
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Official URL: https://doi.org/10.1016/j.matpr.2022.04.435
Abstract
In the present study, a finite element based numerical model is developed to evaluate heat transfer and fluid flow during the laser welding process with a moving heat source. The developed model solves the fully coupled equations of incompressible fluid flow and heat transfer. A comparative study between no oscillation and beam oscillation welding is performed when both conditions have the same heat input per unit length i.e. same power and welding speed. Dimensionless coefficients for mass and heat transport were used to analyse the effects of Marangoni flow and thermal buoyancy. Varying combinations of radius and frequency of oscillations are studied at a constant circumferential velocity.
| Item Type: | Journal Article | |||||||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| Library of Congress Subject Headings (LCSH): | Fluid dynamics -- Mathematical models, Laser welding, Heat -- Transmission, Numerical analysis, Beam dynamics, Laser beams -- Industrial applications | |||||||||
| Journal or Publication Title: | Materials Today: Proceedings | |||||||||
| Publisher: | Elsevier BV | |||||||||
| ISSN: | 2214-7853 | |||||||||
| Official Date: | 19 May 2022 | |||||||||
| Dates: |
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| Volume: | 59 | |||||||||
| Number: | 3 | |||||||||
| Page Range: | pp. 1846-1851 | |||||||||
| DOI: | 10.1016/j.matpr.2022.04.435 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||
| Copyright Holders: | Copyright © 2022 Elsevier Ltd. All rights reserved. Selection and peer-review under responsibility of the scientific committee of the “Material TECH 2022 (Second International Conference on Materials and Technologies)”. | |||||||||
| Date of first compliant deposit: | 11 April 2022 | |||||||||
| Date of first compliant Open Access: | 10 June 2022 | |||||||||
| RIOXX Funder/Project Grant: |
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