Results 21 to 30 of about 846,470 (266)

Dynamic model for simulating transient behaviour of rotary drum granulation loop [PDF]

open access: yesModeling, Identification and Control, 2020
In this paper, a dynamic model for a rotary drum granulation loop with external product separator is developed. A population balance is used to capture dynamic particle size distribution in the 3-compartment rotary drum granulator model.
Ludmila Vesjolaja   +2 more
doaj   +1 more source

Modeling and Simulation of Kuhni Extraction Column Using a Rate-based Model [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2016
In this study, liquid-liquid extraction process in a Kuhni extraction column was modeled and simulated. A non-equilibrium dynamic model was developed for modeling liquid-liquid extraction processes based on a rate-based model.
Amir Hosein Tahershamsi   +2 more
doaj   +1 more source

Projecting the future of Ayapel Cienaga: a hydroecologic analysis under climate change scenarios

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2020
We developed a three-component model to evaluate the present and future hydrological behavior of Ayapel Cienaga under different scenarios of climate variability and human intervention associated with fishing and mining activities and the maintenance of ...
Juan Pablo Serna-López   +1 more
doaj   +1 more source

Balancing selection in self‐fertilizing populations [PDF]

open access: yesEvolution, 2021
Self-fertilization commonly occurs in hermaphroditic species, either occasionally or as the main reproductive mode. It strongly affects the genetic functioning of a population by increasing homozygosity and genetic drift and reducing the effectiveness of recombination.
openaire   +3 more sources

A Spatial Optimization Approach for Simultaneously Districting Precincts and Locating Polling Places

open access: yesISPRS International Journal of Geo-Information, 2020
Voting is the most basic form of political participation. The agencies that are responsible for voting must delineate precincts and designate a polling place for each precinct.
Kamyoung Kim
doaj   +1 more source

On the Adequacy of Some Low-Order Moments Method to Simulate Certain Particle Removal Processes

open access: yesColloids and Interfaces, 2021
The population balance is an indispensable tool for studying colloidal, aerosol, and, in general, particulate systems. The need to incorporate spatial variation (imposed by flow) to it invokes the reduction of its complexity and degrees of freedom.
Margaritis Kostoglou   +1 more
doaj   +1 more source

Catalyst Deactivation: Control Relevance of Model Assumptions [PDF]

open access: yesModeling, Identification and Control, 2000
Two principles for describing catalyst deactivation are discussed, one based on the deactivation mechanism, the other based on the activity and catalyst age distribution.
Bernt Lie, David M. Himmelblau
doaj   +1 more source

Radiographic Analysis of the Sagittal Alignment of Spine and Pelvis in Asymptomatic Indian Population [PDF]

open access: yesAsian Spine Journal, 2022
Study Design This is a descriptive observational study. Purpose The objective of this study is to analyze and document the sagittal alignment of the spine and pelvis in normal Indian adult volunteers and compare these parameters with the study population
Gururaj Sangondimath   +4 more
doaj   +1 more source

Aggregate Structure Evolution for Size-Dependent Aggregation by Means of Monte Carlo Simulations

open access: yesKONA Powder and Particle Journal, 2014
Aggregation during crystallization and precipitation processes often leads to complex-shaped particle aggregates. As an alternative to low-dimensional deterministic population balance models, where assumptions on the
Heiko Briesen
doaj   +1 more source

Modelling of the Bubble Size Distribution in an Aerated Stirred Tank: Theoretical and Numerical Comparison of Different Breakup Models

open access: yesChemical and Process Engineering, 2014
The main topic of this study is the mathematical modelling of bubble size distributions in an aerated stirred tank using the population balance method. The air-water system consisted of a fully baffled vessel with a diameter of 0.29 m, which was equipped
Kálal Zbyněk, Jahoda Milan, Fořt Ivan
doaj   +1 more source

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