Pressure drop in slotted spouted beds of grains: Comparison of data with models |
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| Affiliation: | 1. Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Assam, 781039, India;2. Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam, 781039, India;1. Department of Renewable Energy Engineering (Formerly Bio-Energy), Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Coimbatore 641 003, Tamil Nadu, India;2. Horticultural Research Station, Tamil Nadu Agricultural University, Dindigul 624 212, Tamil Nadu, India;3. Department of Social Sciences, Tamil Nadu Agricultural University, Tirunelveli 628 252, Tamil Nadu, India;4. Engineering Division, ICAR-Central Institute of Fisheries Technology, Cochin 682 029, Kerala, India;5. Department of Soil and Water Conservation Engineering, Agricultural Engineering College and Research Institute, Tamil Nadu Agricultural University, Tiruchirappalli 621 712, Tamil Nadu, India;1. Instituto de Energías Renovables, Universidad Nacional Autónoma de México, Privada Xochicalco s/n, centro, CP 62580, Temixco, Morelos, Mexico;2. Departamento de Ingeniería Mecánica Agrícola, Universidad Autónoma Chapingo. Carretera México-Texcoco, Km 38.5, CP 56230, Chapingo, Estado de México, Mexico;3. CRUCEN, Universidad Autónoma Chapingo, Km 21.5 de La Autopista Zacatecas-Fresnillo, CP 98053, Morelos, Zacatecas, Mexico;1. LICVEDDE/ERIDDECV (Research Team of Innovation and Sustainable Development & Expertise in Green Chemistry), Faculty of Science Semlalia, Cadi Ayyad University, Marrakesh, Morocco;2. Laboratory of Valorization and Safety of Food Products, Faculty of Sciences and Technics, University Sultan Moulay Slimane, Beni Mellal, Morocco;3. Laboratory of Solar Energy and Medicinal Plants, Teacher’s Training College, Cadi Ayyad University, Marrakesh, Morocco;4. National School of Agriculture, ENA Meknes, Morocco;1. Instituto Politécnico Nacional, CIIDIR Oaxaca, Hornos 1003, Santa Cruz Xoxocotlán, Oaxaca 71230, Mexico;2. Universidad Nacional Autónoma de México, Instituto de Energías Renovables, Priv. Xochicalco s/n, Col. Centro, Temixco Morelos 62580, Mexico |
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| Abstract: | Data obtained in a rectangular slot spouted bed for two different grains (wheat and oats) have been analyzed to determine the minimum spouting velocity (Vms) and the minimum spouting pressure drop (ΔPms) as a function of the bed height.Three different aerodynamic regimes occur as the bed height is increased.The results are compared with the literature models for the conventional (conical-cylindrical) spouted bed.For shallow beds, the experimental minimum spouting velocity and minimum spouting pressure drop can be well represented by the Littman et al.'s two-dimensional model. |
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