Stefan Radl

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

20062023
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Research Output 2006 2019

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

Flow of highly networked cellulose fibers near a slot in a mini-channel

Schmid, T. & Radl, S., 24 May 2019.

Research output: Contribution to conferenceAbstractResearchpeer-review

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

Nutzen Sie das Potential virtueller Reinräume!

Radl, S., 5 Feb 2019.

Research output: Contribution to conferencePosterResearchpeer-review

Open Access
File

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

The Virtual Sandbox: An Approach to Introduce Principles of Granular Flow Physics into the Classroom

Reichel, E., Radl, S. & Redlinger-Pohn, J. D., 30 May 2019, Concepts, Strategies and Models to Enhance Physics Teaching and Learning. Springer Nature

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

physics
student
sand
experiment
computer simulation

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

Verteilersimulation mit Damm unter Berücksichtigung der Partikelverteilung

Tausendschön, J. F. V. & Radl, S., 7 Mar 2019, 33 p.

Research output: Book/ReportCommissioned reportResearch

Verteilersimulation unter Berücksichtigung der Temperaturverteilung

Tausendschön, J. F. V. & Radl, S., 24 Jan 2019, 18 p.

Research output: Book/ReportCommissioned reportResearch

2018

28th European Symposium on Computer Aided Process Engineering: Proceedings of ESCAPE28

Friedl, A. (ed.), Klemeš, J. J. (ed.), Radl, S. (ed.), Varbanov, P. (ed.) & Wallek, T., 2018, Elsevier B.V. 1717 p. (Computer Aided Chemical Engineering; vol. 43)

Research output: Book/ReportBookResearchpeer-review

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

A VoF-LPT Solver for 3D Numerical Simulation of Aerated Slug Flow and Closure Law Development

Bonzanini, A., Radl, S. & Poesio, P., 29 Oct 2018.

Research output: Contribution to conferencePosterResearchpeer-review

Open Access
File

Benchmarking a Novel 0-D Model Against Data from Two-Fluid Model Simulations of a Wet Fluidized Bed

Radl, S., Salehi, M. & Askarishahi, M., 29 Oct 2018, AIChE Annual Meeting 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access
File
benchmarking
fluid
simulation
droplet
spray

Closure Development for Multi-Scale Fluidized Bed Reactor Models: A CLR Case Study

Radl, S., Municchi, F., Cloete, S., Cloete, J. H., Andersson, S., Morgado, J. F., Gurker, T., Ferreira, R. Q., Kloss, C., Goniva, C. & Amini, S., 1 Jun 2018, In : Computer aided chemical engineering. 43, p. 247-252

Research output: Contribution to journalConference articleResearchpeer-review

Reforming reactions
Fluidized beds
Gases
Powders
Suspensions

Corrigendum to “The sensitivity of filtered Two Fluid Model to the underlying resolved simulation setup” [Powder Technol. 316 (2017) 265–277] (S0032591016308610) (10.1016/j.powtec.2016.11.064))

Cloete, J. H., Cloete, S., Municchi, F., Radl, S. & Amini, S., 15 Feb 2018, In : Powder Technology. 326, 1 p.

Research output: Contribution to journalComment/debateResearchpeer-review

Powders
Fluids
corrigendum

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

Flow Simulation of two Large Cleanrooms: Project "PollenFree"

Salehi, M. & Radl, S., 31 Aug 2018

Research output: Book/ReportOther reportResearch

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

Scale-up Rules for Designing a Spin Flash Dryer

Radl, S., 14 May 2018, 1 p.

Research output: Book/ReportOther reportResearch

Spatial Filtering for Scale Bridging and its Application to Transport in Dense Particle Beds

Radl, S. & Municchi, F., 1 May 2018, Bridging Scales in Modelling and Simulation of Non-Reacting and Reacting Flows. Part II. Academic Press, Vol. 53. (Advances in Chemical Engineering).

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

Particle interactions
Multiphase flow
Macros
Anisotropy
Fluids

Strömungs-Simulation einer optimierten Verteilerinertisierung

Radl, S. & Salehi, M., 4 Apr 2018

Research output: Book/ReportOther reportResearch

Strömungs-Simulation eines Wet ESP und Optimierung der Leitbleche am Eintrittsbereich

Radl, S. & Tausendschön, J. F. V., 5 Dec 2018, 47 p.

Research output: Book/ReportOther reportResearch

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

Using Perusall to Enhance Student Learning of Particle Technology at Graz University of Technology

Lepek, D., Radl, S. & Khinast, J., 24 Apr 2018.

Research output: Contribution to conferencePosterResearchpeer-review

learning
student
poster
Austria
textbook

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

Vorrichtung und Verfahren zum Fraktionieren von längliche Partikel enthaltenden Suspensionen

Schmid, T., Redlinger-Pohn, J. D. & Radl, S., 23 Aug 2018, Priority date 22 Aug 2018, Priority No. P05775

Research output: PatentResearch

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
Open Access
File

CFD-DEM Studies the Dynamics of Wet Fluidized Beds

Wu, M. & Radl, S., 7 Jul 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Closures for discrete suspension flow models: new insight from particle-resolved simulations and spatial data filtering

Municchi, F. & Radl, S., 27 Aug 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearchpeer-review

Open Access
File
Spatial Data
Suspensions
Closure
Filtering
Fluids

Comparison of Particle-Resolved Direct Numerical Simulation and 1D Modelling of Catalytic Reactions in a Packed Bed

Singhal, A., Cloete, S., Radl, S., Ferreira, R. Q. & Amini, S., 30 May 2017, 12th International Conference on CFD in the Oil & Gas, Metallurgical and Process Industries (CFD2017). p. 1-8 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

File
Direct numerical simulation
Packed beds
Enthalpy
Mass transfer
Gases

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

Fractionation of Fibre Pulp in a Hydrodynamic Fractionation Device: Influence of Reynolds Number and Accept Flow Rate

Redlinger-Pohn, J. D., Bauer, W. & Radl, S., 8 Sep 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

File

Fractionation of Fibre Pulp in a Hydrodynamic Fractionation Device: Influence of Reynolds Number and Accept Flow Rate

Redlinger-Pohn, J. D., Bauer, W. & Radl, S., 8 Sep 2017, Proceedings of the 16th Fundamental Research Symposium "Advances in Pulp and Paper Research". Oxford, Vol. 1. p. 209-228 (Fundamental Research Symposium).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access
File

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 by Hydrodynamic Fractionation

Redlinger-Pohn, J. D., König, J. & Radl, S., Oct 2017.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

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

Mathematical Modeling and Simulation

Radl, S. & Marschall, H., May 2017, DECHEMA e.V. 8 p.

Research output: Book/ReportBookResearchpeer-review

Micro- and Mesoscopic Models for Flow and Mixing of Suspensions

Radl, S., 30 May 2017, 409 p.

Research output: ThesisHabilitationResearch

Suspensions
Mass transfer
Heat transfer
Chemical reactors
Momentum transfer

Particle Separation Phenomena in Coiled Channels

Redlinger-Pohn, J. D. & Radl, S., Mar 2017, 13th Minisymposium Chemical & Process Engineering and 4th Particle Forum. p. 2.3.1

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

File

Pulp Fractionation via Controlled Flocculation in a Hydrodynamic Fractionation Device

Redlinger-Pohn, J. D., Eßl, M., König, J., Eckhart, R., Bauer, W. & Radl, S., May 2017.

Research output: Contribution to conferenceAbstractResearchpeer-review

File