TY - CHAP A1 - Merzsch, Matthias A1 - Wiedemann, Philipp A1 - Posselt, Joachim A1 - Krautz, Hans Joachim T1 - Druckaufgeladene Dampfwirbelschicht-Trocknung (DDWT) von Braunkohlen T2 - 45. Kraftwerkstechnisches Kolloquium, Dresden, Oktober 2013 Y1 - 2013 SN - 978-3-944310-04-6 PB - TK-Verl. CY - Neuruppin ER - TY - CHAP A1 - Wiedemann, Philipp A1 - Krautz, Hans Joachim T1 - Numerical study of gas–solid fluidized beds: Analysis of pressure fluctuations for detection of disturbed fluidization T2 - The 14th International Conference on Fluidization – From Fundamentals to Products N2 - Numerical simulations using the Two Fluid Model are performed for gas-solid bubbling fluidized beds. The possibility to detect disturbances in the fluidization process is investigated by common analysis of pressure fluctuations and variation of the computational domain. Additionally the influences of different particle sizes and superficial gas velocities are studied. The results are compared with bubble properties obtained from a digital image analysis technique KW - Fluidisierung Y1 - 2013 UR - http://dc.engconfintl.org/fluidization_xiv/71 PB - Engineering Conferences International CY - New York ER -