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The effect of louver baffles on the particle concentration profiles, pressure fluctuations, bed expansion, and gas mixing of a fluidized bed was investigated in a transparent 2-D column of cross-section 500×30mm and height 6m over a broad range of operating conditions covering both the bubbling and turbulent flow regimes. Visual observations, pressure fluctuations and steady gas tracer experiments...
The manufacturing tolerances of the structural parameters of the hydrodynamic journal bearing system are inevitable. This paper presents a theoretical analysis of the effects of the manufacturing tolerances on the stability of the system. The effects of the dynamic viscosity variation caused by the temperature change, the manufacturing tolerances of the bearing length and the diameters of both the...
This paper extends the analysis of Part I to investigate the influences of the manufacturing tolerances on the stability of the journal bearing system. A new dimensionless stability map with consideration of the manufacturing tolerances is modeled by introducing in the concepts of nominal dimensions and limits. Several new parameters are deduced to express the synthesized manufacturing tolerances...
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