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Roland Kirchberger

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

1994 …2022
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Research Output 1994 2018

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Conference contribution
2018

Combustion Analysis with Residual Gas as a Design Parameter for Two-Stroke Engines

Piecha, P. R., Jandl, S., Sturm, S., Schmidt, S., Kirchberger, R. & Schumann, F., 30 Oct 2018, SAE/JSAE Small Engine Technology Conference. SAE International, SAE 2018-32-0045

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

Evaluation of measurement technologies for RDE and fuel consumption for two-wheeler-applications

Schmidt, S., Zinner, C., Hiesmayr, J., Kirchberger, R. & Eichlseder, H., 26 Jun 2018, 13th Int. AVL Symposium on Propulsion Diagnostics. 11 p.

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

Overview of Different Gas Exchange Concepts for Two-Stroke Engines

Sturm, S., Schmidt, S. & Kirchberger, R., 30 Oct 2018, SAE/JSAE Small Engine Technology Conference. SAE International, SAE 2018-32-0041

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

2017

Enhanced Diagnosis for Small Engines

Basso, R., Schacht, H-J., Stephan, S., Kirchberger, R., Rath, M., Neumayer, M. & Reisenberger, C., 1 Nov 2017, JSAE/SAE Small Engine Technologies Conference & Exhibition.

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

Engines
Sensors
Engine cylinders
Starters
Signal analysis

Practicability and Influencing Factors of a Lean Burn Mode for Two-Stroke Engines in Hand-Held Powertools

Piecha, P., Ninaus, C., Schmidt, S., Kirchberger, R. & Schumann, F., 5 Nov 2017, SAE/JSAE Small Engine Technology Conference. SAE International

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

2016

Analysis of working processes and efficiency assessment of hand-held power tools

Meyer, S., Kölmel, A., Gegg, T., Dawin, U., Piecha, P., Trattner, A., Schmidt, S. & Kirchberger, R., 16 Mar 2016, 16. INTERNATIONALES STUTTGARTER SYMPOSIUM 2016.

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

Engines
Scavenging
Thermodynamics
Propulsion
Carburetors
2015

Expansion to Higher Efficiency – Experimental Investigations of the Atkinson Cycle in Small Combustion Engines

Pertl, P., Trattner, A., Stelzl, R., Lang, M., Schmidt, S. & Kirchberger, R., 2015, Engine Technology. ., p. xx-xx

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

Thermodynamic Limits of Efficiency Enhancement of Small Displacement Single-Cylinder Engines

Trattner, A., Kupelwieser, F., Pertl, P., Winkler, F., Schmidt, S. & Kirchberger, R., 2015, Small Engine Technology Conference & Exhibition. ., p. 1-33

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

2014

Air cooled 50cm³ scooter Euro 4 application of the two-stroke LPDI technology

Krimplstätter, S., Winkler, F., Oswald, R. & Kirchberger, R., 2014, Engine Technology. ., p. xx-xx

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

Experimentelle Untersuchungen eines Ottomotors mit erweiterter Expansion über den Kurbeltrieb und die bedeutende Rolle der variablen Ventilsteuerung

Pertl, P., Trattner, A., Lang, M., Stelzl, R., Schmidt, S. & Kirchberger, R., 2014, Ladungswechsel im Verbrennungsmotor. Wiesbaden: Springer Vieweg, p. xx-xx

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

Extended Expansion Engine with Mono-Shaft Cam Mechanism for Higher Efficiency – Layout Study and Numerical Investigations of a Twin Engine

Pertl, P., Zojer, P., Lang, M., Schögl, O., Trattner, A., Schmidt, S., Kirchberger, R., Mavinahally, N. & Mavinahalli, V., 2014, Engine Technology. ., p. xx-xx

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

Potential of fuel injection in two-stroke engines for hand-held power tools

Trattner, A., Schmidt, S., Kirchberger, R., Eichlseder, H., Kölmel, A., Gegg, T. & Meyer, S., 2014, Automotive and Engine Technology. Wiesbaden: Springer Vieweg, Vol. 2. p. 165-180

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

Potential of fuel injection of two-stroke engines for hand held power tools

Kölmel, A., Gegg, T., Meyer, S., Trattner, A., Schmidt, S., Kirchberger, R. & Eichlseder, H., 2014, 14. Stuttgarter Symposium. Wiesbaden: Springer Fachmedien, p. 165-180

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

2013

An Innovative Two-Stroke Twin-Cylinder Engine Layout for Range Extending Application

Abis, A., Winkler, F., Schwab, C., Kirchberger, R. & Eichlseder, H., 2013, Small Engine Technology Conference & Exhibition. ., p. xx-xx

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

Auslegung und Konstruktion eines innovativen Range Extender Motors

Winkler, F., Abis, A., Schwab, C., Kirchberger, R. & Eichlseder, H., 2013, 14. Tagung "Der Arbeitsprozess des Verbrennungsmotors". Graz: Verlag der Technischen Universität Graz, p. 150-165

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

Development of a Thermal Model within a Complete Vehicle Simulation for Motorcycles and Powersport Applications

Rieger, P., Girstmair, J., Schmidt, S., Almbauer, R. & Kirchberger, R., 2013, 19th Small Engine Technology Conference. ., p. 1-15

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

Evaluating the Behavior of Carbureted Engines using a Fast Response Fuel Consumption Measurement Device with Minor Impact on Engine Characteristics

Tromayer, J., Neumann, G., Trattner, A., Kirchberger, R. & van den Hoevel, H., 2013, Small Engine Technology. ., p. 1-9

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

Expansion to higher efficiency - Requirements on valve actuation for Atkinson cycle-based engines

Grassberger, H., Pertl, P., Trattner, A., Schmidt, S., Kirchberger, R. & Eichlseder, H., 2013, 13th Stuttgarter Int. Symposium "Automotive and Engine Technology". ., p. 129-143

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

Real World Operation of a Standard Lawn Mower Engine from a Scientific Perspective

Edtmayer, H., Trattner, A., Schmidt, S., Kirchberger, R., Trentini, J. & Weiglhofer, J., 2013, Small Engines Technology Conference 2013 / Measurement and Simulation. ., p. 1-15

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

2012

Die bedeutende Rolle des variablen Ventiltriebes bei einem Motorkonzept mit erweiterter Expansion über den Kurbeltrieb

Trattner, A., Pertl, P., Abis, A., Schmidt, S., Kirchberger, R., Eichlseder, H. & Sato, T., 2012, MTZ-Fachtagung Ladungswechsel im Verbrennungsmotor. Wiesbaden: Springer Vieweg, p. 1-18

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

Expansion to Higher Efficiency - Investigations of the Atkinson Cycle in Small Combustion Engines

Pertl, P., Trattner, A., Abis, A., Schmidt, S., Kirchberger, R. & Sato, T., 2012, Small Engine Technology Conference & Exhibition. ., p. xx-xx

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

Fundamental Investigations on the Boost Pressure Control System of Charged Aircraft Engines in the Aviation Class ELA1 / Approved Systems Versus New Solutions

Stelzl, R., Schmidt, S., Kirchberger, R., Dopona, M., Foxhall, N. & Wukisiewitsch, W., 2012, Small Engine Technology Conference. ., p. 1-1

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

Future Engine Technology in Hand-Held Power Tools

Trattner, A., Schmidt, S., Kirchberger, R., Eichlseder, H., Kölmel, A., Raffenberg, M. & Gegg, T., 2012, (Accepted/In press) 2012 Small Engine Technology Conference & Exhibition. ., (SAE Paper No. 2012-32-0111).

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

High pressure direct injection - a future technology for high-performance motorcycles?

Trattner, A., Schmidt, S., Schögl, O., Kirchberger, R. & Eichlseder, H., 2012, Development Trends of Motorcycles. ., p. 45-60

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

Potenzial eines REX Konzeptes für Stadtscooter - eine Alternative zur rein elektrischen Mobilität?

Kirchberger, R., Schacht, H-J. & Eichlseder, H., 2012, 33. Internationales Wiener Motorensymposium. Wien: VDI, p. 297-312 (VDI-Berichte).

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

Range Extender for Two-Wheeler Applications

Schacht, H-J., Kirchberger, R., Winkler, F. & Schmidt, S., 18 Oct 2012, Development Trends of Motorcycles IV. expert verlag GmbH , Vol. IV.

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

File

Two stroke engines with low pressure direct injection - a great challenge for simulation!

Schögl, O., Winkler, F., Kirchberger, R. & Eichlseder, H., 2012, ECCOMAS 2012. ., p. 1-19

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

2011

A demonstration of the emission behaviour of 50 cm³ mopeds in Europe including unregulated components and particulate matter

Favre, C., May, J., Bosteels, D., Tromayer, J., Neumann, G., Kirchberger, R. & Eichlseder, H., 2011, SAE Paper No. 2011-32-0572 / JSAE 20119572. ., p. 1-15

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

A methodical approach for thermal management simulation of hybrid powersport application

Schmidt, S., Rieger, P., Trattner, A., Kirchberger, R., Dutzler, C. & Heizinger, G., 2011, 17th Small Engine Technology Conference / Diversity of Small Powertrain Technologies. ., p. 1-11

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

Different speed limiting strategies for 50cm³ two-wheelers and their impacts on exhaust emissions and fuel economy

Tromayer, J., Neumann, G. & Kirchberger, R., 2011, Small Engine Technology Conference & Exhibition. ., p. 1-11

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

Konzepte zur Emissionsminderung bei Viertakt-Kleinmotoren

Kirchberger, R., Tromayer, J. & Eichlseder, H., 2011, 32. Internationales Wiener Motorensymposium. ., p. 364-391

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

Twin-Piston 2-Stroke Range Extender Concept

Winkler, F., Eichlseder, H. & Kirchberger, R., 2011, spark ignition engine of the future- SIA2011. ., p. xx-yy

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

2010

Brennverfahrenskonzept für Niederdruck Benzin-Direkt-Einspritzung

Schmidt, S., Trattner, A., Schögl, O., Kirchberger, R., Eichlseder, H., Joyce, M. & Wall, J., 2010, Aachener Kolloquium Fahrzeug- und Motorentechnik. Aachen: Springer-VDI-Verlag GmbH & Co.KG, p. 1269-1292

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

Einfluss des Hub- Bohrungsverhältnisses und der Einlasskanalgeometrie auf Ladungsbewegung und Gemischbildung bei BDE-Ottomotoren

Schmidt, S., Trattner, A., Abart, M., Schögl, O., Kirchberger, R. & Eichlseder, H., 2010, 9. Internationale Symposium für Verbrennungsdiagnostik. Mainz: ., p. 7-19

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

High efficient 125-250 cm³ LPDI two-stroke engines, a cheap and robust alternative to four-stroke solutions?

Oswald, R., Winkler, F., Ebner, A. & Kirchberger, R., 2010, SAE Paper No. 2010-32-0019, JSAE 20109019. ., p. xx-yy

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

Investigations on Low Pressure Gasoline Direct Injection for a standard GDI combustion system SAE 2010-32-0094

Schmidt, S., Trattner, A., Kirchberger, R., Eichlseder, H., Wall, J. & Joyce, M., 2010, Small Engine Technology Congress SETC 2010. SAE, p. XX-XX

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

Können umkehrgespülte Zweitaktmotoren für Freizeitanwendungen die zukünftigen Emissionsgrenzwerte erfüllen?

Kirchberger, R., Winkler, F. & Eichlseder, H., 2010, 31. Internationales Wiener Motorensymposium 2010. ., p. 347-373

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

Possibilities and limits of 1D CFDE simulation methodology for the layout of 2-stroke GDI combustion systems

Schögl, O., Schmidt, S., Abart, M., Zinner, C. & Kirchberger, R., 2010, SAE Paper No. 2010-32-0017, JSAE 20109017. ., p. xx-yy

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

Study of possible rage extender concepts with respect to future emission limits

Ebner, A., Winkler, F., Abart, M., Luz, R., Kirchberger, R., Schmidt, S. & Eichlseder, H., 2010, SAE Paper No. 2010-32-0129, JSAE 20109129. ., p. xx-yy

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

2009

Early stage development of a 4-stroke gas exchange process by the use of a coupled 1D / 3D simulation strategy

Schögl, O., Schmidt, S., Abart, M., Kirchberger, R., Fitl, M. & Gschwantner, P., 2009, SETC 2009 Proceedings. ., p. 1-12

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

Entwicklung eines Viertakt Ottomotors mit Kurbelgehäuseaufladung

Kirchberger, R. & Eichlseder, H., 2009, 30. Internationales Wiener Motorensymposium 2009. Wien: ., Vol. Nr. 697 in Reihe 12. p. 348-370 (Fortschritt-Berichte VDI).

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

Power restriction on small capacity four stroke engines by exhaust gas recirculation - A new way of speed limiting with reduced exhaust emissions?

Tromayer, J., Neumann, G., Kirchberger, R. & Eichlseder, H., 2009, SAE Paper No. 2009-32-0069. Warrendale: SAE, p. 1-12

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

Simulation and experimental investigations of a direct-injection combustion system for high speed – high performance engines

Schmidt, S., Abart, M., Schögl, O., Jajcevic, D., Trattner, A., Kirchberger, R. & Eichlseder, H., 2009, SETC 2009 Proceedings. ., p. 1-12

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

2008

Application of Low Pressure Direct Injection and Semi-Direct Injection to a Small Capacity Two-Stroke Engine

Winkler, F., Oswald, R., Schögl, O., Kirchberger, R. & Ebner, A., 2008, Small Engine Technology Conference & Exhibition. ., p. 1-1

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

Synthetic Engine Concept and Modularity for a 3-Wheeler

Thien, U., Skalla, C., Hirz, M. & Kirchberger, R., 2008, SAE India International Mobility Conference 2008. ., p. 1-8

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

2007

An Integrated 3D CFD Simulation Methodology for the Optimization of the Mixture Preparation of

Schmidt, S., Schögl, O., Rothbauer, R., Eichlseder, H. & Kirchberger, R., 2007, Small Engine Technology Conference 2007. ., p. 1-1

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

Bifuel Concept Forecast for a 3-Wheeler Vehicle

Thien, U., Schmidt, A., Hirz, M. & Kirchberger, R., 2007, EAEC 2007. ., p. 1-13

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

Exhaust Emissions of Small Capacity Engine Technologies

Korman, M., Hirz, M. & Kirchberger, R., 2007, Konference Inovativna Avtomobilska Tehnologija = Conference Innovative Automotive Technology. Ljubljana: ULJ-FS Ljubljana LAVEK, p. 115-129

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

Potential of high technology 50cm³ two stroke and four stroke engines

Kirchberger, R., Eichlseder, H., Winkler, F., Korman, M. & Hirz, M., 2007, SETC 2007 / Session Engine Technology. Niigata: SAE, p. 1-15

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

2006

Development of a low emission two-stroke engine with low pressure fuel injection

Winkler, F., Kirchberger, R., Schögl, O. & Oswald, R., 2006, SAE 2006 Transactions Journal of Engines. 1 ed. Warrendale: SAE, p. 1-2 (Transactions Journal of Engines).

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