Dipl.-Ing. Alexander Wollny

  • Former Assistant - Chair Theoretische Elektrotechnik
Wollny, Alexander

Address

Institute for Theoretical Electrical Engineering
Faculty for Electrical Engineering and Information Technology
Ruhr University Bochum
Universitaetsstrasse 150
44801 Bochum
Germany

Email:
wollny@tet.rub.de

Vita

  • Research Assistant
    Institute for Theoretical Electrical Engineering (since 2009)
  • Research stay at Lam Research Corp.
    Lam Research Corp., Fremont, CA, USA (2012)
  • Degree in Electrical Engineering and Information Technology
    Ruhr University Bochum (2002 – 2009)
  • Military Service
    Stab/Stabsstaffel Luftfahrzeugtechnische Abteilung 152, Rheine (2001 – 2002)
  • Abitur
    Hei­sen­berg Gym­na­si­um, Glad­beck (1998 – 2001)
  • High School Diploma
    Wer­ner-von-Sie­mens Re­al­schu­le, Glad­beck (1992 – 1998)
  • born on December 23, 1981

Research

  • Fluid dynamic modeling of the Micro Cavity Plasma Array
  • Development of a web portal for plasma simulations

Projects

  • DFG FORSCHERGRUPPE 1123
    Physics of Microplasmas
    project page: for1123
  • PT GRID
    plasma technology grid
    project page: pt-grid

Publications

2015
Plasma-Plasma-Wechselwirkung: Modellierung von Micro Cavity Plasma Arrays

Alexander Wollny, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2015, Bochum, Ger­ma­ny, 2-5 March

2014
Plasma-plasma interaction - Simulations of ionization wave propagation on micro cavity plasma arrays

Alexander Wollny, Ralf Peter Brinkmann - WELT­PP-17, Kerk­ra­de, The Nether­lands, 20-21 No­vem­ber 2014

2013
Modeling the excitation dynamics of micro structured atmospheric pressure plasma arrays

Alexander Wollny, Ralf Peter Brinkmann - 66th An­nual Ga­se­ous Elec­tro­nics Con­fe­rence (GEC), Prin­ce­ton (New Jer­sey), USA, 30 Sep­tem­ber - 04 Oc­to­ber (oral cont­ri­bu­ti­on)

An algebraic RF sheath model for all excitation waveforms and amplitudes, and all levels of collisionality

Ralf Peter Brinkmann, Abd Elfattah Elgendy, Homayoun Hatefinia, Mohammed Shihab, Torben Hemke, Alexander Wollny, Denis Eremin - 66th An­nual Ga­se­ous Elec­tro­nics Con­fe­rence (GEC), Prin­ce­ton (New Jer­sey), USA, 30 Sep­tem­ber - 04 Oc­to­ber

2012
Online platform for simulations of ion energy distribution functions behind a plasma boundary sheath

Alexander Wollny, Mohammed Shihab, Ralf Peter Brinkmann - 65th Annual Gaseous Electronics Conference 2012, Austin, Texas, USA, October 22–26

Numerial Simulation of a Coaxial Microplasma Jet at Atmospheric Pressure

Torben Hemke, Jan Trieschmann, Alexander Wollny, Natalia Y. Babaeva, Mark J. Kushner, Ralf Peter Brinkmann - 39th IEEE In­ter­na­tio­nal Con­fe­rence on Plas­ma Sci­ence 2012, Edin­burgh, Scott­land, July 08-12

Maßgeschneiderte Ionen-Energie Verteilungsfunktionen online berechnen für Jedermann

Martin Predki, Mohammed Shihab, Alexander Wollny, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2012, Stutt­gart, Ger­ma­ny, March 12-16

Auf dem Weg zum Verständnis von Plasma-Plasma Wechselwirkung: ein einfaches Model eines Mikroplasmas

Alexander Wollny, Torben Hemke, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2012, Stutt­gart, Ger­ma­ny, March 12-16

Ein globales Modell zur Beschreibung einer HF-Entladung bei Atmosphärendruck

Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2012, Stutt­gart, Ger­ma­ny, March 12-16

2011
Ionization wave propagation on a micro cavity plasma array

Alexander Wollny, Torben Hemke, Markus Gebhardt, Ralf Peter Brinkmann, Henrik Boettner, Jörg Winter, Volker Schulz-von der Gathen, Zhongmin Xiong, Mark J. Kushner - Appl. Phys. Lett. 99, 141504 (2011)

Numerical study of secondary electron emission in a coaxial rf driven plasma jet at atmospheric pressure

Torben Hemke, Jan Trieschmann, Alexander Wollny, Ralf Peter Brinkmann - Proceedings of the 30th International Conference on Phenomena in Ionized Gases (ICPIG), Belfast, Northern Ireland (2011)

Numerical study of the electron dynamics in Radio-Frequency plasmas at atmospheric pressure

Torben Hemke, Markus Gebhardt, Alexander Wollny, Ralf Peter Brinkmann - 38th IEEE In­ter­na­tio­nal Con­fe­rence on Plas­ma Sci­ence 2011, Chi­ca­go, Il­li­nois, USA, June 25-30

Spatially resolved simulation of an Radio-Frequency driven atmospheric pressure plasma jet in ambient air

Torben Hemke, Markus Gebhardt, Alexander Wollny, Ralf Peter Brinkmann - 38th IEEE In­ter­na­tio­nal Con­fe­rence on Plas­ma Sci­ence 2011, Chicago, Illinois, USA, June 25-30

Spatially resolved simulation of a radio-frequency driven micro-atmospheric pressure plasma jet and its effluent

Torben Hemke, Alexander Wollny, Markus Gebhardt, Ralf Peter Brinkmann - J. Phys. D: Appl. Phys. 44, 285206 (2011)

Dynamics of Micro Cavity Plasma Arrays: Simulation of Ionization Wave Propagation

Alexander Wollny, Torben Hemke, Markus Gebhardt, Ralf Peter Brinkmann - 38th IEEE In­ter­na­tio­nal Con­fe­rence on Plas­ma Sci­ence 2011, Chi­ca­go, Il­li­nois, USA, June 25-30

Ignition of a Microcavity Plasma Array

Alexander Wollny, Torben Hemke, Markus Gebhardt, Ralf Peter Brinkmann - IEEE Tran­sac­tions on Plas­ma Sci­ence 39, 2684 (2011)

Excitation Waves in Micro-structured Atmospheric Pressure Plasma Arrays

Hendrik Boettner, Alexander Wollny, Jörg Winter, Volker Schultz-von der Gathen, Ralf Peter Brinkmann - IWM6, VI International Workshop on Microplasmas, Paris, France, 03-06 April

One-dimensional Particle-in-Cell Simulation of a Micro Atmospheric Pressure Plasma Jet

Markus Gebhardt, Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - IWM6, VI International Workshop on Microplasmas,Paris,France, 03-06 April

Dynamik einer planaren Mikroentladung- ein globales Modell

Markus Gebhardt, Alexander Wollny, Martin Lapke, Thomas Kuschel, Ilja Stefanovic, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2011,Kiel, Germany, 28-31 March

Gridfähige Anbindung eines Randschichtmodells

Ralf Peter Brinkmann, Mohammed Shihab, Alexander Wollny, Torben Hemke, Shabnam Naggary, Wolfgang Ottow, Michael Klick - DPG Früh­jahrs­ta­gung 2011, Kiel, Germany, 28-31 March, oral contribution

Micro Thin Cathode Discharge: eine numerische Parameterstudie

Alexander Wollny, Markus Gebhardt, Torben Hemke, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2011, Kiel, Germany, 28-31 March

Particle-in-Cell Simulation eines Mikro-Plasmajets bei Atmosphärendruck

Markus Gebhardt, Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2011,Kiel, Germany, 28-31 March

Eindimensionale Particle-In-Sell-Simulation eines Mikro-Atmosphärendruck-Plasmajets

Markus Gebhardt, Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - PT 15, Stuttgart, Ger­ma­ny, 28.02-02.03 2011,

2010
A Global Model of a Micro Atmospheric Pressure Plasma Jet

Alexander Wollny, Torben Hemke, Dennis Ziegler, Ralf Peter Brinkmann - 63rd Annual Gaseous Electronics Conference 2010, Paris, France, October 04-08

A first look into Plasma-Plasma Interaction at atmospheric pressure via numerical simulation

Alexander Wollny, Torben Hemke, Markus Gebhardt, Thomas Mussenbrock, Ralf Peter Brinkmann - 37th IEEE International Conference on Plasma Science 2010, Norfolk, Virginia, USA, June 20-24

Numerical simulation of an rf driven micro-plasmajet at atmospheric pressure

Torben Hemke, Alexander Wollny, Markus Gebhardt, Ralf Peter Brinkmann - 37th IEEE In­ter­na­tio­nal Con­fe­rence on Plas­ma Sci­ence 2010, Nor­folk, Vir­gi­nia, USA, June 20-24

Numerical simulation of the micro atmospheric pressure plasma jet including the effluent

Torben Hemke, Alexander Wollny, Markus Gebhardt, Ralf Peter Brinkmann - Workshop on Diagnostics of Microplasmas, Bochum, Germany, 21-23 März

Numerical Study on field emission in an argon micro hollow cathode discharge

Markus Gebhardt, Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - Workshop on Diagnostics of Microplasmas, Bochum, Germany, 21-23 March

Numerische Simulation eines Mikroplasma-Array bei Atmosphärendruck

Alexander Wollny, Markus Gebhardt, Torben Hemke, Thomas Mussenbrock, Ralf Peter Brinkmann - DPG Spring Meeting 2010, Hannover, Deutschland, 8-12 März

Numerical study on field emission in an Argon micro hollow cathode discharge

Markus Gebhardt, Torben Hemke, Alexander Wollny, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung, Han­no­ver, Ger­ma­ny 08-12 March

Numerische Simulation eines RF-Mikroplasma-Jets bei Atmosphärendruck

Torben Hemke, Alexander Wollny, Markus Gebhardt, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung, Han­no­ver, Ger­ma­ny 08-12 March

Particle-In-Cell Simulationen von Mikroplasmen mit Graphics Processing Units

Markus Gebhardt, Torben Hemke, Alexander Wollny, Denis Eremin, Ralf Peter Brinkmann - DPG Früh­jahrs­ta­gung 2010, Han­no­ver, Ger­ma­ny, 08-12 März, oral cont­ri­bu­ti­on

2009
A global model of a micro plasma jet at atmospheric pressure

Alexander Wollny, Torben Hemke, Dennis Ziegler, Ralf Peter Brinkmann - WELTPP-12, Kerkrade, The Netherlands,26-27 November