Gas velocity
The voidage in a CFB riser as function of solids flux and gas velocity
... mostly gas-solid and gas-catalytic ...operating gas velocity (U) and the solids concentration flux ...the gas velocity will ...
12
Research on Measurement Technology of Flue Gas Velocity Based on Optical Scintillation Induced by Fluctuation of Particulate Concentration
... measured velocities vary among 3 - 4 m/s. When we stop adding particles, the particulate number concentration decreases gradually. If particulate number concentration is lower than 4000/cm 3 , unreasonable measurement ...
10
Study The Homogeneity of Mixing a Binary Polyethylene Granular Mixture in Fluidised Bed Mixer
... various gas velocity and bed ...that gas velocity and bed depth are important parameters influencing solid mixing in a bubbling fluidised ...
5
PNEUMATIC CONVEYING SYSTEM: AN OVERVIEW
... The pressure minimum curve connects such points for different solids flow rate values. Generally, the flow regimes up to this point from the right hand could be categorized as the dilute phase flow with low values of ...
10
Effects of Surfactant on Bubble Size Distribution and Gas Hold-up in a Bubble Column
... the gas-liquid hydrodynamics in a bubble ...the gas-liquid hydrodynamics, specifically on the bubble size and gas ...and gas hold-up data were determined for several values of the superficial ...
9
Application of Mathematical Modeling in Optimization of Synthesis Process Parameters of Methylchlorosilane
... bottom gas in the fluidized bed ...superficial gas velocity change caused by this cause is ...of gas backmixing, the superficial gas velocity along the reaction section and the ...
6
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 ...
5
Effects of Gas Blow Velocity on the Surface Properties of Ti 6Al 4V Alloy Treated by Gas Blow IH Nitriding
... study, gas blow IH (Induction Heating) nitrided specimens were produced under variable nitrogen gas blowing ...nitrogen gas velocity on the surface properties of Ti-6Al-4V ...increasing ...
6
Spatially Resolved Star Formation in Cosmological Zoom-in Simulations: Understanding the Role of Feedback in Scaling Relations
... rate—gas velocity dispersion ...(gas velocity dispersion and depletion time–stability relations) are sampled time-steps from those models (seen as clearly separated families of colored points ...
187
Hydrodynamics of a Gas-Driven Gas-Liquid-Solid Spouted Bed
... cylindrical gas-driven gas-liquid-solid spouted bed was developed in this project, which has a high potential to be used for a biological wastewater treatment ...increasing gas velocity, four ...
90
Investigation of Gas Hold up and Power Consumption in a Stirred Tank Bioreactor Using Single and Dual Impeller Configurations
... on gas hold-up in water and viscous liquids have been investigated in several ...generating gas hold-up, even in the coalescence inhibited high viscosity, especially at the lower gas ...total ...
8
Slug translational velocity for highly viscous oil and gas flows in horizontal pipes
... superficial velocity of oil and superficial gas velocities of ...the gas phase gains more kinetic energy owing to increase in superficial gas ...superficial velocity of liquid increases ...
21
Performance of Venturi Scrubber
... of gas velocity, liquid-to-gas ratio, ejector geometry (shape and number of nozzles, area ratio, throat diameter, throat length, projection ratio, angle of divergence and convergence), operating and ...
17
Bubble Dynamics and Dense Phase Composition in 2-D Binary Gas-Solid Fluidized Bed
... technology in coal beneficiation using river sand as the bed medium [Fraser & Yancey, 1926]. However, the required coal separation density was slightly higher than the bed density caused by sand fluidization, which ...
107
Modeling of freeboard fluidized bed coal gasifier
... terminal velocity greater than average gas velocity will reach a certain height before they fall back into the ...terminal velocity smaller than average gas velocity will be ...
11
Gasdynamic Simulation of Aerosol Deposition Method
... the gas is suddenly decelerated upstream of the slit at x ¼ 3 ...the gas starts acceleration again through the slit in the downstream ...the gas velocity goes down to the sonic speed at x ¼ 12 ...
6
Design Aspects of using Low Grade Fuels to Improve the Combustion Efficiency in Enlarge the Free Board Zone in AFBC Boiler
... A fluidized bed consists of a chamber in which solid particles are kept in a state of suspension by high velocity air forced upward through the particles. the turbulent mass of solid particles stores heat and ...
8
Pierleoni, Marco (2010): CRASHa coupling continuum and line radiative transfer. Dissertation, LMU München: Fakultät für Physik
... and z = 6.5 (e.g. Hu et al. 1998, 2004; Rhoads & Malhotra 2001; Kodaira et al. 2003; Taniguchi et al. 2005; Kashikawa et al. 2006; Murayama et al. 2007; Dawson et al. 2007). Strong lensing magnification has been ...
115
Numerical Study on the Effects of Contraction Ratio in a Two Phase Flow Injection Nozzle
... The Euler-Euler numerical method was used to investigate the effects of contraction ratio on two- phase flow mixing with mass transfer in the flow injection nozzle. The geometric shape of the noz- zle was modified to ...
10
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] ...
74