Results 151 to 160 of about 2,280 (207)

Assessing Biomass-Based Methanol Production via Electrified Gasification and Solar-Assisted CO₂ Utilization. [PDF]

Ind Eng Chem Res
Jadoon UK, Bhatnagar P, Flórez-Orrego D, Domingos MEGR, Rodríguez M, Maréchal F.   +5 more
europepmc   +1 more source

Subsidence Mechanisms and Exploration and Development in Deepwater Gas Reservoirs: Advances and Perspectives. [PDF]

ACS Omega
Zhang Z, Shen W, Zhang J, Yang X, Chen H, Pang R, Li N, Wang X.   +7 more
europepmc   +1 more source

Voidage distribution around bubbles in a fluidized bed: Influence on throughflow [PDF]

Powder Technology, 2010
In this work, a new method for measuring void fraction distribution around endogenous bubbles in a 2D fluidized bed is presented. The technique is based on illuminating a transparent-wall 2-dimensional bed with diffuse light from the rear and recording
David Pallarès, Domingo Santana, Filip Johnsson   +2 more
exaly   +5 more sources

Enhanced Voidage Correlations for Packed Beds of Various Particle Shapes and Sizes

Particulate Science and Technology, 2005
Mean voidage in packed beds of spherical, cylindrical, and nonconventional cylindrical particles has been accurately measured, and the data obtained were employed to develop predictive mean voidage correlations that were not only simpler to use and more ...
F Benyahia
exaly   +2 more sources

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Measurements of voidage profiles in spouted beds

Canadian Journal of Chemical Engineering, 1994
AbstractA fibre optic probe has been used to measure voidage profiles in the fountain, spout and annulus of spouted beds. The voidage in most of the annulus was found to be somewhat higher than the loose‐packed voidage and increased with increasing spouting gas flow rate, contrary to usual assumptions.
C J Lim, J R Grace
exaly   +2 more sources

Two-Dimensional Voidage Waves in Fluidized Beds

Industrial & Engineering Chemistry Research, 1999
A one-dimensional, fluid-dynamic description of the fluidization process, which has been successfully applied to the quantitative prediction of the stability of the state of homogeneous fluidization, is extended to two-dimensional form. Numerical solutions of the resulting equations are presented which illustrate regimes of fluidization quality ...
CHEN Z., GIBILARO L. G., FOSCOLO, Pier Ugo   +2 more
openaire   +2 more sources

The voidage function for fluid-particle interaction systems

International Journal of Multiphase Flow, 1994
The drag force on a particle in a fluid—multiparticle interaction system may be expressed as the product of the drag force on an unhindered particle, subject to the same volumetric flux of fluid, and a voidage function. It is demonstrated that for a wide varicty of both fixed-bed and.suspended-particle systems, file voidage function may be expressed as
Renzo Di Felice
exaly   +3 more sources

Voidage profiles in packed beds of spheres

Chemical Engineering Science, 1986
Abstract Voidage profiles in randomly packed beds of uniformly sized spheres are analysed by dividing the bed into a number of concentric layers of equal thickness, and by expressing the void fraction in a layer in terms of the contributions to the solid volume by spheres with centres lying in appropriate neighbouring layers. The number of spheres in
Venneth M.H. Govindarao, G.F. Froment
openaire   +1 more source

DEM study on size segregation and voidage distribution in green bed formed on iron ore sinter strand

Powder Technology, 2019
The size segregation and voidage distribution down a green bed formed on an iron ore sinter strand were investigated experimentally and using Discrete Element Method (DEM). The simulated and experimental results showed that an increase in feed rate (from
Thomas Honeyands, Roberto Moreno-Atanasio, Chengzhi Li   +2 more
exaly   +1 more source