Albers, J., Adelt, T. and Trinh, Q. D. (2013). Application of heat transfer correlations for two-phase flow in a thermosiphon desorber at sub-atmospheric pressure. 4th IIR Conf. on Thermophysical Properties and Transfer Processes of Refrigerants, Delft, The Netherlands

Albers, J., Petersen, S. and Ziegler, F. (2013). Comparison of a similar control strategy for ab- and adsorption chillers. Proc. 5textsuperscriptrd Int. Conference Solar Air-Conditioning. OTTI Energie-Kolleg.

Kühn, A., Dähn, S. and Ziegler, F. (2012). Evaluation of concepts for a 10 kW reversible absorption heat pump. Proceedings of the 10th IIR Gustav-Lorentzen-Conference on Natural refrigerants

Kühn, A., Ziegler, F., Zehnacker, O. and Seiler, M. (2012). Verbundprojekt: Verwendung von ionischen Flüssigkeiten in Absorptionskälteanlagen.

Stemann, J., Erlach, B. and Ziegler, F. (2012). Hydrothermal carbonisation of empty palm oil fruit bunches: Laboratory Trials, Plant Simulation, Carbon Avoidance and Economic Feasibility. Waste and Biomass Valorization, 441 - 454.

Tremel, A., Stemann, J., Herrmann, M., Erlach, B. and Spliethoff, H. (2012). Entrained flow gasification of biocoal from hydrothermal carbonization. Fuel, 396-403.

(2012). 1st Workshop Development and Progress in Sorption Technologies - Characteritic Equation Method. TU Berlin.

Buchholz, M., Buchholz, R., Hanßke, A., Paitazoglou, C. and Ziegler, F. (2012). Nutzung von Sole als Energieträger und Speichermedium in einem urbanen Entwicklungsgebiet. 3. Internationale Konferenz - Niedertemperatur- und Abwärmenutzung in Kommunalen und Industriellen Energieversorgungssystemen

Kühn, A., Özgür-Popanda, C. and Ziegler, F. (2011). A 10 kW indirectly fired absorption heat pump: concepts for a reversible operation. Proc. of the 10th International IEA Heat Pump Conference

Malenkovic, I., Melograno, P., Kühn, A. and Schossig, P. (2011). Current work within IEA HPP Annex 34 on performance evaluation and testing methods for thermally driven heat pumps for heating and cooling. Proc. of the 10th International IEA Heat Pump Conference

Schneider, M.-C., Schneider, R., Zehnacker, O., Buchin, O., Cudok, F., Kühn, A., Meyer, T., Ziegler, F. and Seiler, M. (2011). Ionic liquids: new high-performance working fluids for absorption chillers and heat pumps. Proc. of the International Sorption Heat Pump Conference

Martini, W., Kühn, R., Roske, F. and Arellano-garcia, H. (2011). New Washing Fluids for CO 2 Capture : Data Estimation and Process Simulation using Hyperbranched Polymers.

Natzer, S., Petersen, S., Hansske, A., Helm, M., Hennrich, C., Hüls, W., Lanser, W., Mittermaier, M., Stangl, J., Zachmeier, P. and Ziegler, F. (2011). Development of a 50 kW absorption chiller. 4th International Conference Solar Air-Conditioning. Ostbayerisches Technologie-Transfer-Institut e.V. (OTTI), Regensburg.

Stemann, J. and Neubauer, Y. (2011). Hydrothermale Carbonisierung von Biomasse – Grundlagen, Stand und Perspektiven. Kern, M., Raussen, T., Krautkremer, B., Wagner, K. (Hrsg.): Novellierung von EEG, BioAbfV und KrWG: Auswirkungen auf die Verwertung von Bioabfällen und Felxibilisierung der Stromeinspeisung, Witzenhausen Institut. Neues aus Forschung und Praxis.

Stemann, J. and Ziegler, F. (2011). Hydrothermal carbonisation (HTC): Recycling of process water. Proceedings of 19th European Biomass Conference and Exhibition