Details zur Publikation |
Kategorie | Textpublikation |
Referenztyp | Zeitschriften |
Titel (primär) | Modeling of a thermo-chromatographic pulse (TCP) as radio-frequency (RF)-induced selective heating effect |
Autor | Kraus, M.; Kopinke, F.-D.; Roland, U. |
Journal / Serie | Journal of Microwave Power and Electromagnetic Energy |
Erscheinungsjahr | 2013 |
Department | TUCHEM |
Band/Volume | 47 |
Heft | 1 |
Seite von | 24 |
Seite bis | 45 |
Sprache | englisch |
Keywords | Radio frequency; selective heating; thermo-chromatographic pulse; model; zeolite |
UFZ Querschnittsthemen | RU4; |
Abstract | By utilizing the specific influence of water adsorption on the dielectric loss factor and, consequently, selective heating of the zeolite NaY in a radio-frequency (RF) electromagnetic field, a hot zone moving through the packed bed can be realized initiated by water injection. While the effect of water adsorption on RF heating and the phenomenon of the thermo-chromatographic pulse (TCP) itself were described in a previous paper, the present study presents a detailed model for the description and explanation of this effect. It involves the complex dependence of dielectric loss on temperature and moisture content, a diffusion model considering both hopping and Knudsen mechanisms and a power balance for a representative segment of the packed bed. The developed model was successfully applied to adequately describe various experimental situations observed for selective RF heating in a NaY zeolite bed. |
dauerhafte UFZ-Verlinkung | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=13547 |
Kraus, M., Kopinke, F.-D., Roland, U. (2013): Modeling of a thermo-chromatographic pulse (TCP) as radio-frequency (RF)-induced selective heating effect J. Microw. Power Electromagn. Energy 47 (1), 24 - 45 |