A test-bed is built up and regenerative braking tests are carried out.
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The pressure drop of a cross-flow moving-bed was investigated in a two-dimensional rectangular apparatus.
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A comparison was described by using three methods of enzymatic hydrolysis and adsorption of steam exploded straw (SEWS): shaking ball in the regime, shaking with stirrer bed, and static state.
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Numerical simulation of two-dimensional spouted bed with draft plates by discrete element method
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A discrete element method (DEM)-computational fluid dynamics (CFD) two-way coupling method was employed to simulate the hydrodynamics in a two-dimensional spouted bed with draft plates.
An experimental investigation was made of temperature gradients in air streams being cooled while flowing through a cylinder of diameter 81 mm packed with high thermal conductivity (iron and copper) and low thermal conductivity solids of spheres, cylinders and Raschig rings. From the measured temperature gradients at various bed depths and radial posi-tions, and for the different particle sizes and flow rates, the effective thermal conductivity Ke, and the heat transfer coefficient of the wall hw, wer...
In this paper the influence of Pr number, shape and thermal conductivity of the packing material and the bed height on the heat transfer coefficients of the packed beds have been thoroughly studied when air and water were cooled through packed tubes. In order to offer the data for the design of fixed bed, catalytic reactors and packed heat exchangers operated at high space velocity, high Re number was adopted.
The flow characteristics of the liquid and solid phase in a multi-stage flui-dized bed with down comers was studied systematically in the following aspects: (1) the longitudinal back-mixing of the liquid phase, (2) the pressure drop of the liquid flowing through the perforated distribution plate, (3) the gravity flow of the solid particles through the bottom aperture of the downcomer pipe, and (4) the working characteristics of the downcomer pipe.