Abstract
Heat source models are mathematical expressions that represent the generation term in the fundamental heat transfer equation. Investigators have successfully demonstrated different heat source models for single-wire welding. The present investigation estimates the double ellipsoidal heat source model parameters for twin-wire application. The heat source model parameters have been estimated for varying set of welding conditions. It has been found that the heat source model parameters for twin-wire welding are different from the single-wire welding. Moreover, the heat source model parameters also depend upon process parameters. Effects of welding current, electrode polarity and wire diameter on the size of heat source model have been presented. Flux consumption is also found to play a significant role in deciding the heat source model parameters.
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Sharma, A., Chaudhary, A.K., Arora, N. et al. Estimation of heat source model parameters for twin-wire submerged arc welding. Int J Adv Manuf Technol 45, 1096 (2009). https://doi.org/10.1007/s00170-009-2046-3
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DOI: https://doi.org/10.1007/s00170-009-2046-3