publications - Thermofluid Dynamics

Journal publications / Peer-reviewed publications

2016

R. Groll, J. E. Gomez : Mi croproduction inaccuracy analysis using Knudsen number depending correction functions, AiP Conf. Proc. 1786:080012, doi:10.1063/1.4967605, AiP 2016

C. Chelem-Mayigue, R. Groll : Magneto-plasmadynamic thruster modelling with coaxial induced magnetic field, Int. Journal on Computational Methods and Engineering Measurements 4:4, p. 380-392, doi: 10.2495/CMEM-V4-N4-380-392, WITpress 2016

J. E. Gomez, R. Groll : Experimental and numerical study of the pressure drop in transonic micronozzle flows across multiple flow regimes, ASME Digital collection, doi:10.1115/ICNMM2016-7919, American Society of Mechanical Engineers, ASME 2016

R. Groll, J.E. Gomez : Calibrating microfluidic pressure correction functions in Laval nozzle flow by eliminating production accuracy influences, PAMM 16(1):581-582, doi:10.1002/pamm.201610279, Wiley 2016

C. Chelem-Mayigue, R. Groll : Computational magneto-hydrodynamic modeling of hyper-sonic flows with resolved shock wave diffusion, PAMM 16(1):621-622, doi:10.1002/pamm.201610299, Wiley 2016

J. E. Gomez, R. Groll : Pressure drop and thrust predictions in micronozzle flows, Physics of Fluids 28(2):022008, AiP 2016

 

2015

T. Brandt, T. Trottenberg, R. Groll, F. Jansen, F. Hey, U. Johann, H. Kersten, C. Braxmaier : Simulation for an improvement of a down-scaled HEMP-Thruster, e-publication: Electronic Rocket Propulsion Society, IEPC-2015-90172, ERPS 2015

C. Zimmermann, R.Groll : Computational investigation of thermal boundary layers in a turbulent Rayleigh-Benard problem, Int. Journal of Heat an Fluid Flow 54:276-291, Elsevier 2015

T. Brandt, T. Trottenberg, R. Groll, F. Jansen,
F. Hey, U. Johann, H. Kersten, C. Braxmaier : Simulations on the influence of the spatial distribution of source electrons on the plasma in a cusped-field thruster,
Eur. Phys. Journal D 69:145, Springer 2015 

R. Groll, J. E. Gomez : Computational multi-component modelling of electron transport and ohmic heating inside a micro arc-jet thruster, Transactions on Engineering Sciences 89, p.3-16, ISBN 978-1-84564-946-3, WIT Press 2015

 

2014

R. Groll : Micro diffuser flow modeling for cold gas propulsion systems, PAMM 14(1):633–640, Wiley 2014

C. Zimmermann, R.Groll : Experimental and numerical and experimental investigation of a Reyleigh-Benard convection affected by Coriolis force, Journal of Flow Control, Measurement and Visualization 2:165-172, ISSN 2329-3322 Scientific Research 2014

C. Zimmermann, R. Groll : Modelling turbulent heat transfer in a natural convection flow, Journal of Applied Mathematics and Physics, ISSN 2327-4352, 2(7):662-670, Scientific Research 2014

R. Groll: Transonic wall-slip analysis for expanding micro-diffuser flows for cold gas propulsion systems, ASME electronic publication, Order No. ASME-46278:V001T01A005, doi:10.1115/ICNMM2014-21822, ASME 2014

R. Groll, J. E. Gomez: Investigating and modeling the correlation of pressurization and electron acceleration inside a micro arc-jet thruster, ASME electronic publication, Order No. ASME-46278: V001T06A002, doi:10.1115/ICNMM2014-21214, ASME2014

T. Brandt, T. Trottenberg, R. Groll, F. Jansen, F. Hey, U. Johann, H. Kersten, C. Braxmaier: Simulation of a down-scaled HEMP-Thruster, 5th German-Russian Conference on Electric Propulsion, Dresden, Germany 2014

T. Brandt, R. Groll, F. Jansen, U. Johann, A. Keller, H. Kersten, C. Braxmaier : Particle-in-Cell simulation of the plasma properties and ion acceleration of a down-scaled HEMP-Thruster, 19th International Spacecraft Propulsion Conference, Cologne, Germany 2014

 

2013

 

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