Search Results - "Altantzis, C."

Mixing dynamics in bubbling fluidized beds.

Authors: Bakshi, A. Ghoniem, A. F. Altantzis, C.

Source: AIChE Journal; Oct2017, Vol. 63 Issue 10, p4316-4328, 13p

The BubbleTree toolset: CFD-integrated algorithm for Lagrangian tracking and rigorous statistical analysis of bubble motion and gas fluxes for application to 3D fluidized bed simulations.

Authors: Buchheit, K. Altantzis, C. Bakshi, A. et al.

Source: Powder Technology. Oct2018, Vol. 338, p960-974. 15p.

Subjects: Bubbles, Computational fluid dynamics, Lagrangian functions, Fluidized bed gasifiers, Solution (Chemistry)

On the limitations of 2D CFD for thin-rectangular fluidized bed simulations.

Authors: Bakshi, A. Altantzis, C. Bershanska, A. et al.

Source: Powder Technology. Jun2018, Vol. 332, p114-119. 6p.

Subjects: Computational fluid dynamics, Fluidized bed reactors, Hydrodynamics, Energy dissipation, Boundary value problems

Comprehensive multivariate sensitivity analysis of CFD-DEM simulations: Critical model parameters and their impact on fluidization hydrodynamics.

Authors: Bakshi, A. Shahnam, M. Gel, A. et al.

Source: Powder Technology; Oct2018, Vol. 338, p519-537, 19p

Gas-flow distribution in bubbling fluidized beds: CFD-based analysis and impact of operating conditions.

Authors: Bakshi, A. Altantzis, C. Glicksman, L.R. et al.

Source: Powder Technology. Jul2017, Vol. 316, p500-511. 12p.

Subjects: Gas flow, Bubble dynamics, Fluidization, Gas distribution, Regression analysis, Mathematical models

Study of the effect of reactor scale on fluidization hydrodynamics using fine-grid CFD simulations based on the two-fluid model.

Authors: Bakshi, A. Altantzis, C. Bates, R.B. et al.

Source: Powder Technology. Oct2016, Vol. 299, p185-198. 14p.

Subjects: Fluidization, Fluid dynamics, Similarity (Physics), Dynamics, Kinetic energy

Multiphase-flow Statistics using 3D Detection and Tracking Algorithm (MS3DATA): Methodology and application to large-scale fluidized beds.

Authors: Bakshi, A. Altantzis, C. Bates, R.B. et al.

Source: Chemical Engineering Journal. Jun2016, Vol. 293, p355-364. 10p.

Subjects: Multiphase flow, Fluid flow, Fluidized bed reactors, Computer simulation, Algorithms

Eulerian–Eulerian simulation of dense solid–gas cylindrical fluidized beds: Impact of wall boundary condition and drag model on fluidization.

Authors: Bakshi, A. Altantzis, C. Bates, R.B. et al.

Source: Powder Technology. Jun2015, Vol. 277, p47-62. 16p.

Subjects: Eulerian graphs, Simulation methods & models, Fluidized bed reactors, Boundary value problems, Drag force, Fluidization

3D Eulerian modeling of thin rectangular gas–solid fluidized beds: Estimation of the specularity coefficient and its effects on bubbling dynamics and circulation times.

Authors: Altantzis, C. Bates, R.B. Ghoniem, A.F.

Source: Powder Technology. Jan2015 Part A, Vol. 270, p256-270. 15p.

Subjects: Gas-solid interfaces, Fluidized bed gasifiers, Boundary value problems, Simulation methods & models, Estimation theory

Towards accurate three-dimensional simulation of dense multi-phase flows using cylindrical coordinates.

Authors: Bakshi, A. Altantzis, C. Ghoniem, A. F.

Source: Powder Technology. Sep2014, Vol. 264, p242-255. 14p.

Subjects: Fluidized bed reactors, Multiphase flow, Coordinates, Chemical reactions, Computational chemistry, Fluidized reactors