In the present work, immersed heater to bed heat transfer coefficient and related hydrodynamics were determined along with different angles (7.85 and 6.8) of the tapered inversed fluidized bed. Carboxyl methylcellulose was used to change the water viscosity by using a power-law model. The hydrodynamics was compared for two different angles of beds. Furthermore, minimum fluidization velocities were carried out for different liquid apparent viscosities and different angles of beds and compared with previous models. The heat transfer coefficient was found to be increasing with liquid velocity and bed voidage, respectively, and it was also found that the bed voidage is high for a high diameter of particles. The correlation was developed between the bed expansion ratio and independent parameters by response surface methodology in design expert software v.9.
In present days we are much believed computer aided (simulation) results much more than our experimental results even though time consumption, low-cost processes and we can get the efficient results when compare to experimental results. In this task, I compared my experimental results with simulation results (Ansys fluent version 17.2) in the solid liquid reverse fluidized bed system. In this, I did this comparison using Gidaspow drag model and remaining parameters were same the particle diameter was changed. I found that the hydrodynamic behavior by experimentally and by simulation those were bed height profile, pressure drop profile and Voidage profile by changing the velocity profile
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