A Study of Fluctuation and Expansion Ratios for Gas-Solid Fluidized Columns | Zendy

Maha MuhyiAlwanA Alhussaini | Zendy; Hassanain Abbas Hassan | Zendy; Nada S. Ahmedzeki | Zendy

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A Study of Fluctuation and Expansion Ratios for Gas-Solid Fluidized Columns

Author(s) -

Maha MuhyiAlwanA Alhussaini,

Hassanain Abbas Hassan,

Nada S. Ahmedzeki

Publication year - 2020

Publication title -

journal of engineering

Language(s) - English

Resource type - Journals

eISSN - 2520-3339

pISSN - 1726-4073

DOI - 10.31026/j.eng.2020.10.02

Subject(s) - fluidization , expansion ratio , fluidized bed , mechanics , materials science , inverse , thermodynamics , analytical chemistry (journal) , chemistry , chromatography , composite material , mathematics , physics , geometry

The fluctuation and expansion ratios have been studied for cylindrical gas-solid fluidized columns by using air as fluidizing medium and Paracetamol as the bed material. The variables were the column diameter (0.0762, 0.15, and 0.18 m), static bed height (0.05, 0.07, and 0.09 m), and air velocity to several times of minimum fluidization velocity. The results showed that both the fluctuation and expansion ratios had a direct relation with air velocity and an inverse one with column diameter and static bed height. A good agreement was between the experimental results and the calculated values by using the correlation equations from the literature.

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