Results 21 to 30 of about 2,280 (207)

Voidage profiles in magnetically fluidized beds [PDF]

open access: yesPowder Technology, 2001
Abstract Voidage profiles in a fluidized bed of iron particles (230 μm) were investigated under the influence of an external uniform axial magnetic field. Passing a direct current through five solenoids generated uniform magnetic field. The five solenoids were arranged elaborately to get larger uniform magnetic space than that generated by Helmholtz ...
Lin, Yung-Chung, Leu, Lii-Ping
openaire   +1 more source

Evaluation of Local Voidage in Two Phase System by Optical Method

open access: yesDiyala Journal of Engineering Sciences, 2013
One of the important characteristics in predicting the flow of two phases (gas and liquid) in the industrial equipment is the gas percentage in the liquid, which is called voidage.
Ali Z. Asker
doaj   +1 more source

Improvement of the accuracy of Hogg and Fuerstenau's model in predicting the power draw of ball mills based on determining the grinding media’s dynamic voidage [PDF]

open access: yes, 2022
In the development of tumbling mills' power models, the voidage of grinding media is assumed to be static and equal to 40%. While the grinding media’s voidage is dynamic; and hence is varied by changing the operating parameters. In this paper, to improve
Golpayegani, Mohammad Hasan   +1 more
core   +1 more source

Determination of voidage of palm nuts in a vessel

open access: yesGlobal Journal of Engineering and Technology Advances, 2023
Inaccurate estimation of nuts volume in a hopper may likely influence the design of some components of palm nut processing system such as shaft, rotor, electric motor power, hopper supporting rods, etc. In an effort to address this challenge the voids/ spaces were considered as inherent in palm nuts when stored in a vessel. In this study, 5 kg of dried
Edet Ubong ASSIAN   +2 more
openaire   +1 more source

Measurement of Gas-Liquid Two-Phase Flow in Micro-Pipes by a Capacitance Sensor

open access: yesSensors, 2014
A capacitance measurement system is developed for the measurement of gas-liquid two-phase flow in glass micro-pipes with inner diameters of 3.96, 2.65 and 1.56 mm, respectively. As a typical flow regime in a micro-pipe two-phase flow system, slug flow is
Haifeng Ji   +4 more
doaj   +1 more source

3D Simulations of Voidage Distribution in SCW Fluidized Beds Using the EMMS Model

open access: yes, 2022
Supercritical water fluidized beds (SCWFBs) are advanced reactors for biomass gasification. In this work, three-dimensional (3D) simulations are carried out using the energy minimization multiscale (EMMS) model developed for SCWFBs.
Youjun Lu (4708534), Hao Wang (39217)
core   +1 more source

Permeability Models for Magma Flow through the Earth's Mantle: A Lie Group Analysis

open access: yesJournal of Applied Mathematics, 2013
The migration of melt through the mantle of the Earth is governed by a third-order nonlinear partial differential equation for the voidage or volume fraction of melt.
N. Mindu, D. P. Mason
doaj   +1 more source

Tomographic Measurements of Granular Flows in Gases and in Liquids

open access: yesKONA Powder and Particle Journal, 2014
Two distinct non-intrusive radiation methods known as scanning gamma ray tomography and single profile photon absorptiometry are presented in this paper as tools for the investigation of interstitial voidage ...
Michail S. Nikitidis   +3 more
doaj   +1 more source

Derivation of Conservation Laws for the Magma Equation Using the Multiplier Method: Power Law and Exponential Law for Permeability and Viscosity

open access: yesAbstract and Applied Analysis, 2014
The derivation of conservation laws for the magma equation using the multiplier method for both the power law and exponential law relating the permeability and matrix viscosity to the voidage is considered.
N. Mindu, D. P. Mason
doaj   +1 more source

Formation mechanism of proppant particle voidage distribution in hydraulic fracturing fractures

open access: yesMeikuang Anquan, 2021
In order to understand the proppant particle voidage evolution of the hydraulic propped fractures, the numerical simulation method was used to simulate the compression process of the proppant particle in fracture under different closed stresses.
GUAN Shuwen, HU Shengyong, ZHANG Xitu, FENG Guorui, LI Guofu, CHEN Yunbo
doaj   +1 more source

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