An Integrated Approach for the Numerical Modelling of the Spray Forming Process

Jesper Hattel, Jesper Thorborg, Nini Pryds, Trine Bjerre Pedersen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    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 is accomplished using a 3-D 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 model 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. Furthermore, the deposition model proposed in the paper involves both the sticking efficiency of the droplets to the substrate as well as a geometrical model involving the effects of shadowing for the production of billet preforms.
    Original languageEnglish
    Title of host publicationModeling of casting, welding, and advanced solidification processes - X
    EditorsD. Stefanescu, J. Warren, M. Jolly, M. Krane
    Place of PublicationWarrendale
    PublisherMinerals, Metals & Materials Society
    Publication date2003
    Pages557-564
    ISBN (Print)0-87339-555-7
    Publication statusPublished - 2003
    Event10th International Conference on Modeling of Casting, Welding and Advanced Solidification Processes - Destin, FL, United States
    Duration: 25 May 200325 May 2003
    Conference number: 10

    Conference

    Conference10th International Conference on Modeling of Casting, Welding and Advanced Solidification Processes
    Number10
    CountryUnited States
    CityDestin, FL
    Period25/05/200325/05/2003

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