نتایج جستجو برای: three phase flow
تعداد نتایج: 2202211 فیلتر نتایج به سال:
in the present study, a heterogeneous and homogeneous gas flow dispersion model for simulation and optimization of a large-scale catalytic slurry reactor for the direct synthesis of dimethyl ether (dme) from synthesis gas (syngas) and co2, using a churn-turbulent regime was developed. in the heterogeneous flow model, the gas phase was distributed into two bubble phases including small and large...
Packed towers are widely used for distillation processes due to their higher separation efficiency and capacity in comparison to tray towers. The separation efficiency of the tower strongly depends on the liquid flow behaviour inside the packing, which becomes more complex with the appearance of a second liquid phase. Such flow behaviour can be observed in the three-phase distillation process i...
fermentation is an important process for black tea production. during this process, by exposure of substrate to enzymes and the underlying oxidation reactions, quality determining factors of tea is produced. it is known that the exogenous application of cell-wall degrading enzymes leads to the increased production of these compounds through enhancement of enzyme-substrate interactions. pectinas...
in this paper, unsteady two phase simulation of nanofluid flow and heat transfer between moving parallel plates, in presence of the magnetic field is studied. the significant effects of thermophoresis and brownian motion have been contained in the model of nanofluid flow. the three governing equations are solved simultaneously via galerkin method. comparison with other works indicates that this...
The effect of design parameters on the flow pattern in a three-phase bubble column by means of Computational Fluid Dynamics (CFD) has been studied. The simulations were performed for air-water-glass beads in a bubble column of H = 0.6 m, D = 0.1 m and ds = 0.05 m to study the flow pattern. Eulerian–Eulerian three-phase simulations with kturbulence for liquid phase were carried out using the com...
Visual Observation of Flow Regime Transition in Downward Vertical Gas-Liquid Flow Using Simple Mixer
Different flow patterns of downward gas-liquid two-phaseflow using simple mixer are studied in an experimental manner. An experimental setup is designed and fabricated to allow the visual observation of downward two-phase flow patterns and their transitions. The flow patterns are recorded by a 1200 frames per second high speed video camera. The quality of downward two-phase flow patterns photos...
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