Stefan Radl

Assoc.Prof. Dipl.-Ing. Dr.techn.

20062023
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Research Output 2006 2019

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Article
2019

Effect of Model Details on the predicted Saturation Profiles in condensation particle counters

Reinisch, T., Radl, S., Bergmann, A., Schriefl, M. & Kraft, M., 1 Aug 2019, In : Advanced powder technology. 30, 8, p. 1625-1633 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Radiation counters
radiation counters
Condensation
condensation
saturation

Length-based hydrodynamic fractionation of highly networked fibers in a mini-channel

Schmid, T., Redlinger-Pohn, J. D. & Radl, S., 23 Mar 2019, In : Nordic pulp & paper research journal. 34, 2, p. 182-199 18 p.

Research output: Contribution to journalArticleResearchpeer-review

On the choice of closure complexity in anisotropic drag closures for filtered Two Fluid Models

Cloete, J. H., Cloete, S., Radl, S. & Amini, S., 8 Jun 2019, In : Chemical Engineering Science.

Research output: Contribution to journalArticleResearchpeer-review

Drag
Anisotropy
Fluids
Fluidization
Fluidized beds

TFM-based Full Physics Simulations of Mixing in Non-Cohesive Wet Fluidized Beds

Askarishahi, M., Salehi, M. & Radl, S., 12 Jun 2019, (Accepted/In press) In : Industrial and Engineering Chemistry Research.

Research output: Contribution to journalArticleResearchpeer-review

Towards rigorous multiscale flow models of nanoparticle reactivity in chemical looping applications

Andersson, S., Radl, S., Svenum, I-H., Shevlin, S. A., Guo, Z. X. & Amini, S., 10 Jun 2019, In : Catalysis today.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Nanoparticles
Kinetics
Multiphase flow
Reforming reactions
Iron oxides
2018

A novel Approach to Calculate Radiative Thermal Exchange in Coupled Particle Simulations

Forgber, T. & Radl, S., 2018, In : Powder Technology. 323, p. 24-44

Research output: Contribution to journalArticleResearchpeer-review

Finite difference method
Heat transfer
Shear flow
Thermal gradients
Energy transfer

Development and verification of anisotropic drag closures for filtered Two Fluid Models

Cloete, J. H., Cloete, S., Municchi, F., Radl, S. & Amini, S., Dec 2018, In : Chemical Engineering Science. 192, p. 930-954

Research output: Contribution to journalArticleResearchpeer-review

Development and verification of anisotropic solids stress closures for filtered Two Fluid Model

Cloete, J. H., Cloete, S., Radl, S. & Amini, S., 16 Jun 2018, In : Chemical Engineering Science. 192, p. 906-929

Research output: Contribution to journalArticleResearchpeer-review

Momentum, heat and mass transfer simulations of bounded dense mono-dispersed gas-particle systems

Municchi, F. & Radl, S., 2018, In : International journal of heat and mass transfer. 120, p. 1146-1161

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Momentum transfer
Nusselt number
mass transfer
momentum transfer
Drag

Rheological investigations on free-flowing and cohesive powders in different states of Aeration, using a ball measuring system

Kottlan, A., Schütz, D. & Radl, S., 17 Jul 2018, In : Powder Technology. 338, p. 783-794

Research output: Contribution to journalArticleResearchpeer-review

Powders
Viscosity
Shear deformation
Drag
Granular materials

The Effect of Liquid Bridge Model Details on the Dynamics of Wet Fluidized Beds

Wu, M., Khinast, J. & Radl, S., Feb 2018, In : AIChE Journal. 64, p. 437-456 10.1002/aic.15947.

Research output: Contribution to journalArticleResearchpeer-review

Surface Tension
Fluidized beds
Rupture
Liquids
Surface tension

Voidage correction algorithm for unresolved Euler–Lagrange simulations

Askarishahi, M., Salehi, M. & Radl, S., 2018, In : Computational Particle Mechanics. p. 1-19

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Exchange rate
Coarsening
Drag
Suspensions
Drag Force
2017

Analytical Solution for Thermal Transport in Packed Beds with Volumetric Heat Source

Salehi, M., Askarishahi, M. & Radl, S., 20 Jan 2017, In : Chemical engineering journal. 316, p. 131-136

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Packed beds
heat source
Fluids
fluid
temperature profile

Consistent closures for Euler-Lagrange models of bi-disperse gas-particle suspensions derived from particle-resolved direct numerical simulations

Municchi, F. & Radl, S., 6 Apr 2017, In : International journal of heat and mass transfer. 111, p. 171-190 20 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Direct numerical simulation
direct numerical simulation
closures
Suspensions
Gases

Full-Physics Simulations of Spray-Particle Interaction in a Bubbling Fluidized Bed

Askarishahi, M., Salehi, M. & Radl, S., 31 Jan 2017, In : AIChE Journal. 63, 7, p. 2569–2587

Research output: Contribution to journalArticleResearchpeer-review

File
Particle interactions
Physics
Fluidized beds
Evaporation
Hot Temperature

Heat transfer rates in sheared beds of inertial particles at high Biot numbers

Forgber, T., Mohan, B., Kloss, C. & Radl, S., 17 Jan 2017, In : Granular matter. 19, 14, 23 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Biot number
Heat flux
beds
Peclet number
heat transfer

Heat Transfer Rates in Wall Bounded Shear Flows near the Jamming Point accompanied by Fluid-Particle Heat Exchange

Forgber, T. & Radl, S., 3 Apr 2017, In : Powder Technology. 315, p. 182-193 25 p.

Research output: Contribution to journalArticleResearchpeer-review

Jamming
Shear flow
Heat transfer
Fluids
Finite difference method

Heat transfer to a gas from densely packed beds of cylindrical particles

Singhal, A., Cloete, S., Radl, S., Ferreira, R. Q. & Amini, S., 2017, In : Chemical Engineering Science. 172, p. 1–12

Research output: Contribution to journalArticleResearchpeer-review

Packed beds
Gases
Heat transfer
Direct numerical simulation
Nusselt number

Heat transfer to a gas from densely packed beds of monodisperse spherical particles

Singhal, A., Cloete, S., Radl, S., Ferreira, R. Q. & Amini, S., 15 Apr 2017, In : Chemical engineering journal. 314, p. 27-37 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Direct numerical simulation
Packed beds
heat transfer
Gases
Heat transfer

Length-selective separation of cellulose fibres by hydrodynamic fractionation

Redlinger-Pohn, J. D., König, J. & Radl, S., 13 Aug 2017, In : Chemical Engineering Research and Design / A. 126, p. 54-66

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Fractionation
Cellulose
Hydrodynamics
Fibers
Pulp

Liquid Transport Rates during Binary Collisions of Unequally-sized Particles

Wu, M., Khinast, J. & Radl, S., 2017, In : Powder Technology. 309, p. 95-109 14 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Liquids
Computer simulation

The sensitivity of filtered Two Fluid Models to the underlying resolved simulation setup

Cloete, J. H., Cloete, S., Municchi, F., Radl, S. & Amini, S., 2017, In : Powder Technology. 316, p. 265–277

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Fluids
Drag
Heat transfer
Multiphase flow
Fluidized beds
2016

A Model to Predict Liquid Bridge Formation between Wet Particles Based on Direct Numerical Simulations

Wu, M., Radl, S. & Khinast, J., 16 Feb 2016, In : AIChE Journal. 62, p. 1877-1897 20 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Direct numerical simulation
Drainage
Neck
Liquids
Model structures

CFD-DEM predictions of heat transfer in packed beds using commercial and open source codes

Singhal, A., Cloete, S., Radl, S., Ferreira, R. Q. & Amini, S., 12 Sep 2016, In : MAYFEB Journal of Chemical Engineering. 1, 1, p. 1-17

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Direct numerical simulation
Packed beds
Finite difference method
Computational fluid dynamics
Heat transfer

Effect of Bubble-Particle Interaction Models on Flow Predictions in Three-Phase Bubble Columns

Gruber, M. C., Radl, S. & Khinast, J., 26 Feb 2016, In : Chemical Engineering Science. 146, p. 226–243

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Evaluation of wall friction models for riser flow

Cloete, J. H., Cloete, S., Radl, S. & Amini, S., 2016, In : Powder Technology. 303, p. 156-167

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Friction
Fluidization
Fluidized beds
Flow of gases
Strain rate

Fluid and Particle Coarsening of Drag Force for Discrete-Parcel Approach

Ozel, A., Kolehmainen, J., Radl, S. & Sundaresan, S., 8 Aug 2016, In : Chemical Engineering Science. 155, p. 258–267

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Coarsening
Drag
Fluids
Fluidization
Gases

Highly efficient spatial data filtering in parallel using the opensource library CPPPO

Municchi, F., Goniva, C. & Radl, S., 26 May 2016, In : Computer physics communications. 207, p. 400–414 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Statistics
Heat transfer
octaves
Fluids
Computer workstations

Mechanistic understanding of size-based fiber separation in coiled tubes

Redlinger-Pohn, J. D., Jagiello, L. A., Bauer, W. & Radl, S., Jul 2016, In : International journal of multiphase flow. 83, p. 239-253

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

Separation of Cellulose Fibres from Pulp Suspension by Froth Flotation Fractionation

Redlinger-Pohn, J. D., Grabner, M., Zauner, P. & Radl, S., 1 Sep 2016, In : Separation and purification technology. 169, p. 304-313

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
Froth flotation
Fractionation
Cellulose
Pulp
Suspensions

Simulating Wet Gas-Solid Fluidized Beds Using Coarse-Grid CFD-DEM

Girardi, M., Radl, S. & Sundaresan, S., 29 Jan 2016, In : Chemical Engineering Science. 144, p. 224–238 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

The Virtual Sandbox: Forschendes Lernen am Beispiel der Partikelphysik

Reichel, E., Redlinger-Pohn, J. D., Wu, M., Ecker, K., Wachtler, L., Bahar, B., Khinast, J., Eck, J. & Radl, S., 2016, In : Plus lucis. 3/2016, p. 43-47

Research output: Contribution to journalArticleResearchpeer-review

2015

Rigorous Modeling of CO2 Absorption and Chemisorption: The Influence of Bubble Coalescence and Breakage

Gruber, M., Radl, S. & Khinast, J., 2015, In : Chemical Engineering Science. 137, p. 188-204

Research output: Contribution to journalArticleResearchpeer-review

2014

A Drag Model for Filtered Euler-Lagrange Simulations of Clustered Gas-Particle Suspensions

Radl, S. & Sundaresan, S., 2014, In : Chemical Engineering Science. 117, p. 416-425

Research output: Contribution to journalArticleResearchpeer-review

Regimes of Liquid Transport through Sheared Beds of Inertial Smooth Particles

Mohan, B., Kloss, C., Khinast, J. & Radl, S., 2014, In : Powder Technology. 264, p. 377-395

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

Unexpected trapping of particles at a T junction

Vigolo, D., Radl, S. & Stone, H. A., 2014, In : Proceedings of the National Academy of Sciences of the United States of America. 111, p. 1321585111-1321585111

Research output: Contribution to journalArticleResearchpeer-review

2013

An experimental and theoretical investigation of particle–wall impacts in a T-junction

Vigolo, D., Griffiths, I., Radl, S. & Stone, H. A., 2013, In : Journal of fluid mechanics. 727, p. 236-255

Research output: Contribution to journalArticleResearchpeer-review

Coalescence and Break-Up in Bubble Columns: Euler-Lagrange Simulations Using a Stochastic Approach

Gruber, M., Radl, S. & Khinast, J., 2013, In : Chemie-Ingenieur-Technik. 85, 7, p. 1118-1130

Research output: Contribution to journalArticleResearchpeer-review

2012

DEM simulation of continuous tablet coating: Effects of tablet shape and fill level on inter-tablet coating variability

Suzzi, D., Toschkoff, G., Radl, S., Machold, D., Fraser, S., Glasser, B. J. & Khinast, J., 2012, In : Chemical Engineering Science. 69, p. 107-121

Research output: Contribution to journalArticleResearchpeer-review

Flow and Mixing of Granular Material over a Single Blade

Radl, S., Brandl, D., Heimburg, H., Glasser, B. J. & Khinast, J., 2012, In : Powder Technology. 226, p. 199-212

Research output: Contribution to journalArticleResearchpeer-review

2011

Effect of blade angle and particle size on powder mixing performance in a rectangular box

Siraj, M. S., Radl, S., Glasser, B. J. & Khinast, J., 2011, In : Powder Technology. 211, p. 100-113

Research output: Contribution to journalArticleResearchpeer-review

Modeling and simulation of polyacrylic acid/protamine nanoparticle precipitation

Eitzlmayr, A., Petschacher, C., Radl, S., Suzzi, D., Zimmer, A. & Khinast, J., 2011, In : Soft matter. 7, p. 9484-9497

Research output: Contribution to journalArticleResearchpeer-review

Quantifying Absorption Effects during Hydrogen Peroxide Decontamination

Radl, S., Larisegger, S., Suzzi, D. & Khinast, J., 2011, In : Journal of pharmaceutical innovation. 6, p. 202-216

Research output: Contribution to journalArticleResearchpeer-review

Seed loading effects on the mean crystal size of acetylsalicylic acid in a continuous-flow crystallization device

Eder, R. J-P., Schmitt, E. K., Grill, J., Radl, S., Gruber-Wölfler, H. & Khinast, J., 2011, In : Crystal research and technology. 46, 3, p. 227-237

Research output: Contribution to journalArticleResearchpeer-review

2010

Continuously Seeded, Continuously Operated Tubular Crystallizer for the Production of Active Pharmaceutical Ingredients

Eder, R. J-P., Radl, S., Schmitt, E., Innerhofer, S., Maier, M., Gruber-Wölfler, H. & Khinast, J., 2010, In : Crystal growth & design. 10, 5, p. 2247-2257

Research output: Contribution to journalArticleResearchpeer-review

Fast Reactions in Bubbly Flows: Film Model and Micro-Mixing Effects

Radl, S., Suzzi, D. & Khinast, J., 2010, In : Industrial & engineering chemistry research. 49, 21, p. 10715-10729

Research output: Contribution to journalArticleResearchpeer-review

Granular Flow over a Blade - 3D and 2D Experimental Investigations

Radl, S., Brandl, D. & Khinast, J., 2010, In : Chemie-Ingenieur-Technik. 82, 9, p. 1457-1457

Research output: Contribution to journalArticleResearchpeer-review

Kontinuierliches Wachstum von API Impf- zu Produktkristallen in einem Rohrkristallisator

Eder, R. J-P., Schmitt, E. K., Grill, J., Radl, S., Gruber-Wölfler, H. & Khinast, J., 2010, In : Chemie-Ingenieur-Technik. 82, 9, p. 1469-1470

Research output: Contribution to journalArticleResearchpeer-review

Local Analysis of the Tablet Coating Process: Impact of Operation Conditions on Film Quality

Suzzi, D., Radl, S. & Khinast, J., 2010, In : Chemical Engineering Science. 65, 21, p. 5699-5715

Research output: Contribution to journalArticleResearchpeer-review