[PDF] Top 20 Flow visualization of bubble structure in bubble column reactor for fluid mixing
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Flow visualization of bubble structure in bubble column reactor for fluid mixing
... working fluid used in experiment was water and the gas phase was atmospheric ...the column with appropriate amount of water up to 90cm above the ...of bubble flow ...of bubble ... See full document
5
Investigations in Hydrodynamics and Mixing Pattern in the Bubble Column Equipped with Internals
... Bubble column reactors, with or without solid particles, have a number of applications in the chemical, petrochemical, biochemical and environmental ...a bubble column ...a bubble ... See full document
153
Effects of Height to Diameter Ratio and Aeration rate on Liquid Mixing and Hydrodynamic Properties in a Bubble Column
... the column to distribute the gas phase, located 4 cm above the bottom of the column, having 12 holes with a 1mm ...air flow rate was measured by a calibrated rotameter before entering the ...and ... See full document
11
Sensitivity study of ANFIS model parameters to predict the pressure gradient with combined input and outputs hydrodynamics parameters in the bubble column reactor
... Intelligent algorithms are recently used in the optimization process in chemical engineering and application of multiphase flows such as bubbling flow. This overview of modeling can be a great replacement with ... See full document
48
Prediction of Flow Characteristics in the Bubble Column Reactor by the Artificial Pheromone-Based Communication of Biological Ants
... computational fluid dynamics (CFD) ...computing flow and it can predict various levels of three-dimensional bubble column reactor ...the flow characteristics in the ... See full document
24
Simulation of liquid gas for cpo methanol mixing process in bubble column reactor
... dynamic flow behavior in bubble ...in bubble column using approach by computational fluid dynamics is highly effective compare to experimental ...solve fluid flow and mass ... See full document
37
Input/Output Linearization for a Real Time pH Control: Application on Basic Wastewater Neutralization by Carbon Dioxide in a Fed Batch Bubble Column Reactor
... A bubble column is a good candidate of a reactor for taking the place of the gas-liquid reaction due to the ability of solid management from upstream, high mass transfer coefficient and low operating ... See full document
13
Numerical study of hydrodynamic characteristics of gas liquid slug flow in vertical pipes
... slug flow can be characterized by an elongated bullet shaped bubble, known as Taylor bubble, and a liquid slug which is a liquid film flowing downwards between the bubble interface and pipe ... See full document
7
Large eddy simulation of microbubble transport in a turbulent horizontal channel flow
... channel flow was obtained at shear Reynolds numbers of 150 and 590, with water as the carrier phase fluid with kinematic viscosity and density ...channel flow was adopted to benefit from its ... See full document
37
Effects of Internals Configurations on Heat Transfer and Hydrodynamics in Bubble Columns - With and Without Solid Particles
... the bubble column with and without internals for low and high superficial gas ...coalesced bubble size, which in turn generates strong liquid recirculation velocity due to increased ... See full document
213
Signals features extraction in liquid-gas flow measurements using gamma densitometry. Part 1: time domain
... Two sealed radioactive sources emit gamma radiation beams shaped by collimators (1). Photons pass through the pipeline with analyzed two-phase flow (air-water mixture) (4) and detector’s collimator (3) before ... See full document
5
Kinetic study of the regeneration of spent caustic via the genetic algorithm method
... two reactor (the system can be represented via a series of bubble column reactor with mixed reactor) by the catalytic chemical oxidation method ...a bubble column ... See full document
9
Bubble Interactions at Multi-Fluid Interfaces
... a bubble at a liquid-liquid or compound interface is a complex phenomenon with numerous underlying ...the bubble is typically on the millimeter scale, the film formed between the bubble and the ... See full document
187
Studies on Ozone-oxidation of Dye in a Bubble Column Reactor at Different pH and Different Oxidation-reduction Potential
... 341 Abstract—A massive and considerable amount of effluent is generated in a textile industry and allied industries. Dyes used in the dyeing section of a textile industry is a constant, intense and persistent source of ... See full document
6
On entrained pore size distribution of foamed concrete
... Compared to the foam bubble size distribution, some larger sized pores were presented in foamed concrete mixes owing to the merging of bubbles during mixing... Bubble merging in all mixe[r] ... See full document
19
A study of bubble velocity and bubble residence time in a gassed oscillatory baffled column : Effect of oscillatory frequency
... the bubble column, where there are no cells, the bubble residence time is thus de ned as the time for a bubble to travel the equivalent length of the ...the bubble to the overall ... See full document
10
Investigation of Heat Transfer Parameters of a Bundle of Heaters in a Simple Bubble Column Reactor Using CFD Method
... 4.2.3. Column temperature variations High degree of mixing in BCs that results in the uniformity of liquid or column temperature is one of the advantages of using bubble columns in chemical ... See full document
19
Experimental investigation of the effect of liquid viscosity on slug flow in small diameter bubble column
... slug flow in a 50 mm diameter bubble column was investigated experimentally using air-silicone oil as operating fluid with silicone oil of viscosities 5, 100, 1000 and 5000 ... See full document
24
Evaluation of Interfacial Forces and Bubble-Induced Turbulence Using Direct Numerical Simulation.
... channel flow at friction Reynolds number of 5186 which corresponds to 500,000 Reynolds number based on mean velocity and hydraulic ...nuclear reactor cores (operating PWR core has flows at Reynolds number ... See full document
222
Numerical study of an individual Taylor bubble rising through stagnant liquids under laminar flow regime
... Computational fluid dynamics (CFD) has been proven to be a powerful, practical tool for the analysis and simulation of the hydrodynamic characteristics of slug flow in ...slug flow is the deformable ... See full document
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