Continuous deposition of a liquid thread onto a moving substrate / S. Ubal in Transactions of the ASME . Journal of fluids engineering, Vol. 134 N° 2 (Fevrier 2012)  

Public ISBD [article]  inTransactions of the ASME . Journal of fluids engineering > Vol. 134 N° 2 (Fevrier 2012) . - 17 p. Titre : Continuous deposition of a liquid thread onto a moving substrate : numerical analysis and comparison with experiments Type de document : texte imprimé Auteurs : S. Ubal, Auteur ; B. Xu, Auteur ; B. Derby, Auteur Année de publication : 2012 Article en page(s) : 17 p. Note générale : Fluids engineering Langues : Anglais (eng) Mots-clés : Line of liquid Moving flat solid substrate Numerical analysis Substrate-nozzle gap Flow rate parameter space Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : The printing of a thin line of liquid onto a moving flat solid substrate was studied numerically. For a fixed value of the Capillary number, the window of steady state deposition was explored in terms of the substrate-nozzle gap and flow rate parameter space for two nozzle configurations: a nozzle pointing vertically at the plate and a nozzle slightly tilted towards the substrate motion direction. A lower limit for the flow rate was found, below which no steady state solutions could be obtained. This minimum flow rate increases as the nozzle stand-off and the nozzle tilting do. Solutions near this lower flow rate boundary were stable under a flow rate perturbation. The process was also studied experimentally and the measurements were compared with the corresponding numerical simulations, giving a fairly good agreement, except in the advancing front deposition region. DEWEY : 620.1 ISSN : 0098-2202 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JFEGA4000134000002 [...] [article] Continuous deposition of a liquid thread onto a moving substrate : numerical analysis and comparison with experiments [texte imprimé] / S. Ubal, Auteur ; B. Xu, Auteur ; B. Derby, Auteur . - 2012 . - 17 p. Fluids engineering Langues : Anglais (eng) in Transactions of the ASME . Journal of fluids engineering > Vol. 134 N° 2 (Fevrier 2012) . - 17 p. Mots-clés : Line of liquid Moving flat solid substrate Numerical analysis Substrate-nozzle gap Flow rate parameter space Index. décimale : 620.1 Essais des matériaux. Défauts des matériaux. Protection des matériaux Résumé : The printing of a thin line of liquid onto a moving flat solid substrate was studied numerically. For a fixed value of the Capillary number, the window of steady state deposition was explored in terms of the substrate-nozzle gap and flow rate parameter space for two nozzle configurations: a nozzle pointing vertically at the plate and a nozzle slightly tilted towards the substrate motion direction. A lower limit for the flow rate was found, below which no steady state solutions could be obtained. This minimum flow rate increases as the nozzle stand-off and the nozzle tilting do. Solutions near this lower flow rate boundary were stable under a flow rate perturbation. The process was also studied experimentally and the measurements were compared with the corresponding numerical simulations, giving a fairly good agreement, except in the advancing front deposition region. DEWEY : 620.1 ISSN : 0098-2202 En ligne : http://asmedl.org/getabs/servlet/GetabsServlet?prog=normal&id=JFEGA4000134000002 [...]

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