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Roland Kirchberger

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

1994 …2022
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Research Output 1994 2018

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

Comparison of Optimal & Real-time Operation Strategy for a Hybrid Electric Motorcycle

Rieger, P., Schweighofer, B., Wegleiter, H., Zinner, C., Schmidt, S., Kirchberger, R., Foxhall, N. & Hinterberger, W., 16 Nov 2017.

Research output: Contribution to conferencePaperResearchpeer-review

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

Investigations and Analysis of Working Processes of Two-Stroke Engines with the Focus on Wall Heat Flux

Piecha, P., Bruckner, P., Schmidt, S., Kirchberger, R., Schumann, F., Meyer, S., Gegg, T. & Leiber, S., 8 Nov 2016.

Research output: Contribution to conferencePaperResearchpeer-review

2015

Advantages and Challenges of Lean Operation of Two-Stroke Engines for Hand-Held Power Tools

Trattner, A., Grassberger, H., Schögl, O., Schmidt, S., Kirchberger, R., Eichlseder, H., Kölmel, A., Meyer, S. & Gegg, T., 2015, In : SAE international journal of engines. 8, 1, p. 1-20

Research output: Contribution to journalArticleResearch

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

Layout and Development 300 cm3 High Performance 25-lPDI Engine

Winkler, F., Oswald, R., Schögl, O., Abis, A. & Kirchberger, R., 17 Nov 2015.

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

Methodology of Two Stroke Engine Development with Respect to EU4 and Future Emision Legislations

Kirchberger, R., Eichlseder, H., Winkler, F. & Oswald, R., 16 Nov 2015.

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

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 50ccm3 Scooter Euro 4 Application of the Two-Stroke LPDI Technology

Krimplstätter, S., Winkler, F., Oswald, R. & Kirchberger, R., 2014, In : SAE Technical Papers. 2014320008, p. xx-xx

Research output: Contribution to journalArticleResearch

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

Control of a Low Cost Range Extender for L1e Class PHEV Two-Wheelers

Schacht, H-J., Leibetseder, M., Bretterklieber, N., Schmidt, S. & Kirchberger, R., 18 Nov 2014.

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

Control of a Low Range Extender for L1e Class PHEV Two-Wheelers

Schacht, H-J., Leibetseder, M., Bretterklieber, N., Schmidt, S. & Kirchberger, R., 2014, In : SAE Technical Papers. 2014320014, p. xx-xx

Research output: Contribution to journalArticleResearch

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

Antriebsanordnung für einen Generator, insbesondere eines Elektrofahrzeugs

Winkler, F., Kirchberger, R. & Eichlseder, H., 15 Jan 2013, Patent No. AT 511600B12013-01-15

Research output: PatentResearch

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

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., 8 Oct 2013.

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

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., 8 Oct 2013.

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

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, In : SAE international journal of engines. 5, 4, p. 1912-1929

Research output: Contribution to journalArticleResearchpeer-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

Low Cost Range Extender Technology for Hybrid Electric City Scooters

Schacht, H-J., Schögl, O., Bretterklieber, N., Kirchberger, R. & Schmidt, S., 17 Oct 2012.

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

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., 8 Nov 2011.

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

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

Brennverfahrenskonzepte für eine Niederdruck-Direkteinspritzung bei Ottomotoren

Schmidt, S., Trattner, A., Eichlseder, H. & Kirchberger, R., 2011, In : Motortechnische Zeitschrift. 07/08 2011, p. 614-620

Research output: Contribution to journalArticleResearch

Concept Study of Range Extender Applications in Electric Scooters

Schacht, H-J., Kirchberger, R., Winkler, F. & Schmidt, S., 8 Nov 2011.

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

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

Regulated and Non-Regulated Emissions of Selected State-of-the-Art European Mopeds

Favre, C., May, J., Bosteels, D., Tromayer, J., Neumann, G., Kirchberger, R. & Eichlseder, H., 30 Nov 2011.

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

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

Twin-Piston 2-Stroke Range Extender Concept

Winkler, F., Kirchberger, R. & Eichlseder, H., 30 Nov 2011.

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