Titre : |
Local heat transfer characteristics of a slot nozzle array for batch drying of thin films under industrial process conditions |
Type de document : |
texte imprimé |
Auteurs : |
Michael Baunach, Auteur ; Stefan Jaiser, Auteur ; Philip Cavadini, Auteur ; Philip Scharfer, Auteur ; Wilhelm Schabel, Auteur |
Année de publication : |
2015 |
Article en page(s) : |
p. 915-920 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Catégories : |
Couches minces Revêtements Séchage Thermocinétique Transfert de masse
|
Index. décimale : |
667.9 Revêtements et enduits |
Résumé : |
For optimizing the drying process of thin functional films, knowledge of the relevant influencing parameters is needed. One paramount parameter for design of experimental conditions and the accurate interpretation of experimental data is the heat transfer coefficient inside a dryer. Information on the heat transfer in a dryer also facilitates a reliable transfer of results obtained in laboratory set-ups to industrial production. In this work, the heat transfer in a batch drying set-up with an array of slot nozzles is investigated. The measurement arrangement consists of a heat flux sensor mounted on the surface of a temperature-controlled plate. For validation of this arrangement, heat transfer measurements with a single round nozzle were compared to transient heat transfer data measured in the batch drying set-up show a periodically homogenous distribution of heat transfer coefficients for the investigated 16 nozzles. This gives the possibility to dry thin films with a coating length of up to 800 mm in the set-up at constant conditions along the coating length. A prerequisite is a periodical movement with an amplitude of at least one nozzle-to-nozzle spacing. |
DOI : |
10.1007/s11998-015-9712-1 |
En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-015-9712-1.pdf |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=24692 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 12, N° 5 (09/2015) . - p. 915-920