superficial gas velocity
Optimum Operating Condition of a Multistage Gas-Solid Fluidized Bed Reactor without Downcomer for Control of Harmful Gaseous Pollutants from Flue Gas
... stage gas solid fluidized bed reactor without ...size, superficial gas velocity and static bed height on percentage removal efficiency of sulfur dioxide have been ...
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Mixing and Segregation Characteristics of Multistage Fluidized Bed Reactor-Statistical Approach
... In this paper, we examine the hydrodynamic characteristics relating mixing index in a multistage fluidized bed. The parameters affecting the mixing index were found to be static bed height, particle size, column diameter ...
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Investigation of Heat Transfer Parameters of a Bundle of Heaters in a Simple Bubble Column Reactor Using CFD Method
... the gas superficial velocity three kinds of flow regime in bubble column that are homogeneous (bubbly), heterogeneous (churn turbulent) and slug flow, are ...in superficial gas ...
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Evaluation of Wave Characteristics in Annular Flow in Horizontal Pipes
... in superficial gas velocity, and increases with increase in superficial liquid ...the superficial liquid velocity of ...the superficial liquid velocity increases, ...
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Study of Parameters Effect on Hydrodynamics of a Gas-Solid Chamber Experimentally and Numerically
... research, gas velocity, initial static bed height and particle size effect on hydrodynamics of a non-reactive gas–solid fluidized bed chamber were studied experimentally and ...at superficial ...
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Effects of Surfactant on Bubble Size Distribution and Gas Hold-up in a Bubble Column
... at gas-liquid ...on gas hold-up in the pseudo- homogeneous has also been ...Fractional gas hold-up is an important parameter in the design and scale-up of gas- liquid ...The gas hold-up ...
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An Empirical Correlation for Zero-Net Liquid Flow in Gas-Liquid Compact Separator
... liquid superficial velocity liquid holdup in the upper part of the GLPC separator operating under ZNLF increases with an increase in the superficial gas ...The superficial gas ...
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Kinetic Model of Wastewater Treatment in Horizontal Flow Flotation Tank
... the superficial gas velocity is much larger than the average value. As bubble-particle aggregate formation process occurs mostly in first 5–7 min- utes [Haarhoff and Edzwald, 2004], the use of its ...
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Study of Liquid Film Forming Apparatus (LFFA) Mechanisms in Terms of Oxygen Transfer and Bubble Hydrodynamic Parameters
... Fig. 3.4. Difference of standard oxygen transfer efficiency (SOTE) from conventional and LFFA system. By determining the standard oxygen transfer efficiency (SOTE) as in Fig. 3.4, it can be noted that, at low air flow ...
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Cultivation of Amphidinium carterae in a bubble column photobioreactor: Energy dissipation rate characterization
... A bubble column with 0.05 m diameter and 0.675 m height and clear liquid height of 0.45 m was simulated using an Eulerian model included in the ANSYS software (Student v.19.2). The model and all simulation conditions ...
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Application of Mathematical Modeling in Optimization of Synthesis Process Parameters of Methylchlorosilane
... of gas-solid two-phase catalytic reaction, it still faces many problems in industrial ...of superficial gas velocity and catalyst feed coefficient control was established to optimize the ...
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Numerical Study on the Effects of Contraction Ratio in a Two Phase Flow Injection Nozzle
... inlet gas and liquid velocities, and gas bubble sizes were employed to determine their effects on gas hold-up, gas concentration, and mass transfer ...high gas hold-up. Gas ...
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Problems and Solutions of Velocity Modeling in Natural Gas Exploration
... the velocity of favorable targets in a basin with low overall prospecting degree like Ying-Qiong ...accurate velocity pre- diction before drilling. First, processing velocity with geological model ...
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EFFECT OF SEMI-CIRCLE RIB ON HEAT TRANSFER COEFFICIENT IN A RECTANGULAR CHANNEL
... air superficial velocity on the temperature profile for different values of heat flux, with respect to the length taken from the air ...air superficial velocity increased, the temperature ...
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Effect of superficial air velocity on pressure drop off Fluidized chamber experimentally and computationally
... fluidization velocity and suitable size of sand particle are recommended for finer blending of rice husk; saw dust and groundnut shells with the bed along with other fluidization ...
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Pierleoni, Marco (2010): CRASHa coupling continuum and line radiative transfer. Dissertation, LMU München: Fakultät für Physik
... the gas due to the scattering of these Lyα photons is very small and essentially ...the gas would continue to cool down almost adiabatically while the spin temperature would rapidly drop to nearly the ...
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Transonic wind tunnel for investigation of turbomachinery blades
... speed of sound for the supersonic stream speed of sound for the subsonic stream mean velocity of the gas upstream of the wind tunnel mean velocity of the gas downstream of the wind tunne[r] ...
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Mass transfer in low velocity gas streams
... Fahien 6 solved the general mass transfer differential equations for steady state mass transfer, allowing both total diffusivity and velocity to vary with radial position... solution, co[r] ...
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DESIGN OF FLUIDIZED BED BIOREACTOR FOR BIOLOGICAL DENITRIFICATION
... Abstract: The effluent waste water from various industries like nitrogenous fertilizer, explosive, paper-pulp industries and also municipal waste contains nitrate as a major pollutant. Nitrate is harmful to mankind, ...
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Design Aspects of using Low Grade Fuels to Improve the Combustion Efficiency in Enlarge the Free Board Zone in AFBC Boiler
... The maximum possible combustion efficiency for rice straws & rice husk is 95.7% at fluidizing velocity of 1.23 m/s in it can be observed that only a slight increase in combustion efficiencies is observed for ...
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