Regenerative action of the wall on the heat transfer for directly and indirectly heated rotary kilns [Elektronische Ressource] / von Sri Silvia Agustini

Regenerative Action of the Wall on the Heat Transfer for Directly and Indirectly Heated Rotary Kilns Dissertation zur Erlangung des akademischen Grades Doktoringenieur (Dr. –Ing) von Sri Silvia Agustini, M.Sc. Geboren am 17.08.1975 in Medan, Indonesien Genehmigt durch die Fakultät für Verfahrens- und Systemtechnik der Otto-von-Guericke-Universität Magdeburg Promotionskommission: Prof. Dr. –Ing. Jürgen Schmidt (Vorsitzender) Prof. Dr. –Ing. Eckehard Specht (Betreuer) Prof. Dr. –Ing. Evangelos Tsotsas (Gutachter) eingereicht am 9. Juni 2006 Promotionskolloquium am 10. Juli 2006 Acknowledgments First of all, I would like to thank God for leading my way up to now, irrespective of all the difficulties that were encountered. Also, my husband and children for their motivation and trust during the difficult moments. My sincere thanks to Prof. Dr. –Ing. E. Specht, promoter of my thesis for his technical suggestions, the discussions and for all the support during my work. I would like to thanks also Prof. Dr. –Ing. E. Tsotsas for the co-operation and disposition as a referee, and to all the persons that contributed to the culmination of this work. ii ZUSAMMENFASSUNG Der Wärmeübergang eines Drehrohrofens ist einmalig im Vergleich zu anderen geometrischen Formen, weil er Wärme sowohl unter der Lagerung als auch darüber überträgt.