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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Imprimer: 2152-5102
ISSN En ligne: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v38.i5.40
pages 437-443

A Study on Bed Expansion of Group A/B Particles in Presence of an Acoustic Filed

Akash M. Langde
Department of Mechanical Engineering, Anjuman College of Engineering, Nagpur, Maharashtra, India
Md. Shakebuddin
Department of Mechanical Engineering, Anjuman College of Engineering and Technology, Nagpur (MH), India
R. L. Sonolikar
Laxminarayan Institute of Technology, Nagpur, Maharashtra, India
D. J. Tidke
G.H. Raisoni College of Engineering, Nagpur, Maharashtra, India

RÉSUMÉ

According to research performed for nearly fifty years, the fluidization of fine powders is complex. The difficulty of putting these powders in suspension in the fluidizing gas is related to the cohesive structure and, in particular, to the physical forces between the primary particles. The basic aim of this research work was to improve the quality of fluidization of Marble powder (dp = 90 μm) by applying external source in terms of acoustic field. Also, effect of acoustic field on minimum fluidization velocity (Umf ) has been found out at resonant frequency. The value of Umf at 145 dB and 120 Hz is found to be 0.72 cm/s which was very less compared to Umf 0 at without sound intensity i.e., 1.6 cm/s. It was also noted that bed expansion (H) is marginally improved compared to without application acoustic field.


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