An integrated numerical model of the spray forming process
In this paper, an integrated approach for modelling the entire spray forming process is presented. The basis for the analysis is a recently developed model which extents previous studies and includes the interaction between an array of droplets and the enveloping gas. The formulation of the depositi...
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| Veröffentlicht in: | Acta materialia 2002-09, Vol.50 (16), p.4075-4091 |
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| container_title | Acta materialia |
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| creator | Pryds, N.H. Hattel, J.H. Pedersen, T.B. Thorborg, J. |
| description | In this paper, an integrated approach for modelling the entire spray forming process is presented. The basis for the analysis is a recently developed model which extents previous studies and includes the interaction between an array of droplets and the enveloping gas. The formulation of the deposition model is accomplished using a 2D cylindrical heat flow model. This model is now coupled with an atomization model via a log-normal droplet size distribution. The coupling between the atomization and the deposition is accomplished by ensuring that the total droplet size distribution of the spray is in fact the summation of ‘local’ droplet size distributions along the
r-axis. A key parameter, which determines the yield and the shape of the deposit material, is the sticking efficiency. The sticking phenomenon is therefore incorporated into the deposition model. |
| doi_str_mv | 10.1016/S1359-6454(02)00205-7 |
| format | Article |
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| ispartof | Acta materialia, 2002-09, Vol.50 (16), p.4075-4091 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Atomization Computer simulation Cross-disciplinary physics: materials science rheology Deposition Droplet size distribution Exact sciences and technology Materials science Metals. Metallurgy Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Solidification Spray forming |
| title | An integrated numerical model of the spray forming process |
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