Flow pattern and heat transfer in agitated thin film dryer

Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cep.2011.04.005

Title:	Flow pattern and heat transfer in agitated thin film dryer
Authors:	Pawar, S.B. Mujumdar, A.S. Thorat, B.N.
Keywords:	Bow wave Conduction drying Scraped surface geometry SSHE
Issue Date:	Jul-2011
Citation:	Pawar, S.B., Mujumdar, A.S., Thorat, B.N. (2011-07). Flow pattern and heat transfer in agitated thin film dryer. Chemical Engineering and Processing: Process Intensification 50 (7) : 687-693. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cep.2011.04.005
Abstract:	The design of agitated thin film dryer (ATFD) is difficult both mechanically and process engineering point of view. The present work describes the basic flow pattern in ATFD in terms of bow wave and its transformation along the dryer height. The effect of flow rate, jacket side heating medium temperature and speed of the rotor has been studied for a pilot scale ATFD. The effect of rotor speed was found less significant for water as a feed material than for sugar and ammonium sulfate solutions over the studied range of speed. The scraped side heat transfer coefficient was obtained using the penetration theory and its value was found in the range of 3000-7000W/m2°C. © 2011 Elsevier B.V.
Source Title:	Chemical Engineering and Processing: Process Intensification
URI:	http://scholarbank.nus.edu.sg/handle/10635/85215
ISSN:	02552701
DOI:	10.1016/j.cep.2011.04.005
Appears in Collections:	Staff Publications

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