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2010
Since the pioneering text by Mathur and Epstein over 35 years ago, much of the work on this subject has been extended or superseded, producing an enormous body of scattered literature. This edited volume unifies the subject, pulling material together and underpinning it with fundamental theory to produce the only complete, up-to-date reference on all ...
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Since the pioneering text by Mathur and Epstein over 35 years ago, much of the work on this subject has been extended or superseded, producing an enormous body of scattered literature. This edited volume unifies the subject, pulling material together and underpinning it with fundamental theory to produce the only complete, up-to-date reference on all ...
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Study on characteristics of spouted bed dryer
Proceedings of the 2020 2nd International Conference on Big Data and Artificial Intelligence, 2020With the development of China's economy and science and technology, the equipment related to biomass drying has also been further upgraded. The small spouted bed biomass drying device is one of the important equipment. Its essence is the dryer, which works in a high temperature environment.
Baofu Sun, Jiaqi Chen, Wei Ning
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SPOUTED AND SPOUT-FLUIDIZED BEDS FOR GRAM DRYING
Drying Technology, 1989ABTRACT The objectives of this work are to analyze the drying performance of conical-cylindrical spouted bed (CSB) dryers for three different grains (rice, corn and wheat), and to compare the drying efficiency of CSB dryers with that of spout-fluid bed (SFB) dryers.
Maria L. Passos, +3 more
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Interactions of spout jets in a multiple‐spouted bed
The Canadian Journal of Chemical Engineering, 2013A three‐dimensional (3D) computational fluid dynamics (CFD) model, coupling with two‐fluid model (TFM) approach is adopted to investigate the interactions of spout jets and to evaluate the effects of baffles in a multiple‐spouted bed. For two typical flow patterns, that is single spouting and double‐spouting, characteristics of flow patterns, solid ...
Dailin Chen +4 more
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Exploring mechanism of spout deflection in a spout fluidized bed
Chemical Engineering Science, 2021Abstract Spout deflection has been widely encountered in spout fluidized beds and can seriously narrow the operating range of normal spouting. However, the underlying mechanism of spout deflection phenomenon remains unknown. In this study, two hypotheses are proposed to explain the spout deflection mechanisms in spout fluidized beds, and two virtual ...
Yuanhe Yue, Shuai Wang, Yansong Shen
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1974
Publisher Summary The full benefits of fluidization, although with coarse and uniform-sized particles, are not always realized because of the growth of large bubbles in the bed causing a tendency toward slugging. This limitation of fluidized beds can be overcome if the gas enters the bed through a small opening at the center of a conical base instead
Kishan B. Mathur, Norman Epstein
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Publisher Summary The full benefits of fluidization, although with coarse and uniform-sized particles, are not always realized because of the growth of large bubbles in the bed causing a tendency toward slugging. This limitation of fluidized beds can be overcome if the gas enters the bed through a small opening at the center of a conical base instead
Kishan B. Mathur, Norman Epstein
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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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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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Numerical and experimental study on spout elevation in spout‐fluidized beds
AIChE Journal, 2011AbstractThe effect of elevating the spout on the dynamics of a spout‐fluidized bed, both numerically and experimentally is studied. The experiments were conducted in a pseudo‐two‐dimensional (2‐D) and a cylindrical three dimensional (3‐D) spout‐fluidized bed, where positron emission particle tracking (PEPT) and particle image velocimetry (PIV) were ...
Buijtenen, van, M.S. +5 more
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Coal combustion in spouted and spout-fluid beds
2010This study of coal combustion was carried out in a half-column spout-fluid bed combustor, in which Forestberg coal, a sub-bituminous Alberta coal, was burned in inert beds of sand. The combustor consists of a half cylindrical stainless steel column of 0.152 m I. D.
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