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Heat and Mass Transfer in Shrimp Hot-Air Drying: Experimental Evaluation and Numerical Simulation. [PDF]
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Spout Shape Predictions in Spouted Beds
The Canadian Journal of Chemical Engineering, 2002AbstractA theoretical study to predict spout‐annulus interface variation with bed level for different column geometries of spouted beds is proposed. A previous mathematical model (Krzywanski et al., 1989), developed for spout shape predictions in two‐dimensional spouted beds, is here proposed to be applied also for cylindrical, conical or cone‐based ...
Éverton F. Zanoelo, Sandra C. S. Rocha
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Spout Geometry in Shallow Spouted Beds
Industrial & Engineering Chemistry Research, 2000The effect of the operating conditions (base angle, gas inlet diameter, stagnant bed height, particle diameter, and gas velocity) on spout geometry has been studied in shallow spouted beds by means of an optical fiber probe. The experimental results have been fitted to an empirical equation for calculation of the average spout diameter in shallow ...
María J. San José +4 more
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Chemical Engineering & Technology, 2003
Spouted beds are commonly thought of as being solely of use for processes involving coarse particles (of the order of 1 mm and above). The latest advances on conical spouted beds are discussed in this review. This contact method is especially useful for applications where a vigorous movement of the solid is required, for example, in the handling of ...
M. Olazar +3 more
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Spouted beds are commonly thought of as being solely of use for processes involving coarse particles (of the order of 1 mm and above). The latest advances on conical spouted beds are discussed in this review. This contact method is especially useful for applications where a vigorous movement of the solid is required, for example, in the handling of ...
M. Olazar +3 more
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2006
The applicability of the spouted bed technique to drying of granular products that are too coarse to be readily fluidized was recognized in the early 1950s. The classic or conventional spouted bed is a cylindrical vessel with a conical bottom fitted with an inlet nozzle for introduction of the spouting air.
Elizabeth Pallai +2 more
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The applicability of the spouted bed technique to drying of granular products that are too coarse to be readily fluidized was recognized in the early 1950s. The classic or conventional spouted bed is a cylindrical vessel with a conical bottom fitted with an inlet nozzle for introduction of the spouting air.
Elizabeth Pallai +2 more
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Design factors of conical spouted beds and jet spouted beds
Industrial & Engineering Chemistry Research, 1993Original aspects in the design of conical contactors used in spouting and jet spouting regimes have been studied. The experimental results correspond to different solids: glass spheres in the 0.001-0.008-m particle diameter range, polystyrene, vegetable seeds, gravel, and Teflon, which have been used in contactors with different geometries (several ...
Martin Olazar +4 more
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Minimum spouting velocity in multiple spouted beds
The Canadian Journal of Chemical Engineering, 1994AbstractStudies have been carried out in multiple spouted beds having 2, 3 and 4 spout cells; different fluid inlet orifices and different solids have been used with air and water as spouting fluids. The minimum spouting velocities are measured for different bed depths.
D. V. R. Murthy, P. N. Singh
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Minimum spouting velocity of conical spouted beds
The Canadian Journal of Chemical Engineering, 1997AbstractExisting correlations for predicting minimum spouting velocity in conical spouted beds have been found to give poor agreement with available literature data. A new correlation has been developed based on literature data to give much better prediction of the minimum spouting velocity for both small and pilot‐scale conical‐spouted beds.
H. T. Bi +3 more
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Spouted bed and microwave-assisted spouted bed drying of parboiled wheat
Food and Bioproducts Processing, 2012Abstract The effect of spouted bed and microwave-assisted spouted bed drying on drying rates of parboiled wheat was investigated. In addition, the effective moisture diffusivities of parboiled wheat were calculated. The drying experiments were performed using 200 g of parboiled wheat, at three different air temperatures (50, 70, 90 °C) and at two ...
Leyla Nesrin Kahyaoglu +2 more
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Local Bed Voidage in Spouted Beds
Industrial & Engineering Chemistry Research, 2000The effect of operating conditions (base angle, gas inlet diameter, stagnant bed height, particle diameter, and gas velocity) on longitudinal and radial profiles of bed voidage has been studied in the spout, annulus, and both the fountain core and periphery of spouted beds, by means of an optical fiber probe.
Martin Olazar +4 more
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