Heat transfer characteristics in a pulsating fluidized bed in relation to bubble characteristics
作者： Akira Nishimura , Seiichi Deguchi , Hitoki Matsuda , Masanobu Hasatani , Arun S. Mujumdar
DOI: 10.1002/HTJ.10038
关键词:
摘要: A pulsating fluidized bed is operated with two sequential durations designated as an on-period injecting fluidization gas and off-period without it. The heat transfer coefficient between a vertically immersed heater in measured under various pulse cycles particles. obtained results are compared those normal continuous air injection. relationship coefficients bubble characteristics, evaluated using digital video camera, has also been investigated. For certain particles operating cycles, the of increment can be mean velocity based on cycle duration smaller than minimum bed. Under where static through whole formed duration, improved rate over that measured. This may attributed to large formation. As obstructed increasing time keep due excessive it indicated there optimum rate. © 2002 Wiley Periodicals, Inc. Heat Trans Asian Res, 31(4): 307–319, 2002; Published online InterScience (www.interscience.wiley.com). DOI 10.1002/htj.10038
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