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    Kopernikusgasse 24 Graz

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Research Output 1996 2019

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2018

Development of a high specific speed Kaplan pit-type turbine - numerical and experimental verification

Benigni, H., Schiffer-Rosenberger, J., Bodner, C., Leithner, S., Jaberg, H. & Troyer, S., 14 Nov 2018, 20. Internationales Seminar Wasserkraftanlagen: 40 Jahre Engagement zwischen Industrie und Wissenschaft - eine Erfolgsgeschichte. Technische Universität Wien, p. 511-522 12 p.

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

Turbines
Belt drives
Irrigation
Cavitation
Power generation

Improvement of Intake strucures with numerical simulations

Benigni, H., Schiffer-Rosenberger, J., Höller-Litzlhammer, S. & Jaberg, H., 1 Nov 2018, Book of Full Papers, Symposium Hydro Engineering, ICOLD 2018. Verlag der Technischen Universität Graz, p. 2252-2263 12 p.

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

INCREASING POWER OUTPUT AND FLEXIBILITY OF EXISTING HIGH HEAD POWER PLANTS WITH THE HELP OF WATERHAMMER SIMULATIONS

Höller-Litzlhammer, S. & Jaberg, H., 1 Nov 2018, Book of Full Papers, Symposium Hydro Engineering, ICOLD 2018. Graz: Verlag der Technischen Universität Graz, p. 2239-2249 11 p.

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

Surge tanks
Power plants
Hydraulic turbines
Numerical models
Power generation

INCREASING POWER OUTPUT AND FLEXIBILITY OF KOPS I HIGH HEAD POWER PLANT WITH THE HELP OF WATERHAMMER SIMULATIONS

Höller-Litzlhammer, S., Jaberg, H. & Wittwer, B., 16 Nov 2018, 20. Internationales Seminar Wasserkraftanlagen: 40 Jahre Engagement zwischen Industrie und Wissenschaft - eine Erfolgsgeschichte. Technische Universität Wien, p. 599-609 11 p.

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

Power plants
Numerical models
Availability

MAXIMUM EFFICIENCY DESPITE LOWEST SPECIFIC SPEED - OPTIMISATION OF A SIDE CHANNEL PUMP BY MEANS OF CFD

Mosshammer, M., Benigni, H. & Jaberg, H., 7 Sep 2018, Conference on Modelling Fluid Flow - Proceedings of CMFF'18. 10 p. 31

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

Optimierung von Niederdruckkraftwerken - Zulauf Murkraftwerk Franz

Schiffer, J., Benigni, H., Höller-Litzlhammer, S. & Jaberg, H., 28 Sep 2018, Graz 2018 Wasserbausymposium: Wasserwirtschaft - Innovation aus Tradition. Zenz, G. (ed.). Graz: Verlag der Technischen Universität Graz, p. 379-386

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

2017

A verification of draft tube modifications of a vertical axis Kaplan turbine by means of CFD

Schiffer-Rosenberger, J., Benigni, H., Jaberg, H. & Penninger, G., 14 Mar 2017, Proceedings of AFRICA 2017: Water Storage and Hydropower Development for Africa. The International Journal of Hydropower and Dams, 10 p. 08.04

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

Erhöhung des Jahresarbeitsvermögens von Kleinwasserkraftanlagen durch gezieltes Refurbishment anhand von Fallbeispielen: Erhöhung des Jahresarbeitsvermögens von Kleinwasserkraftanlagen durch gezieltes Refurbishment anhand von Fallbeispielen

Benigni, H., Schiffer-Rosenberger, J., Guggenberger, M. & Jaberg, H., 28 Sep 2017, 20. Internationales Anwenderforum Kleinwasserkraftwerke. PSE AG (ed.). Brixen, Vol. 20, p. 17-24 8 p.

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

Flow analysis and operational optimisation of a two unit bulb turbine hydro power plant with significant power dif-ference – simultaneous CFD calculation of both turbines

Benigni, H., Mosshammer, M., Jaberg, H., Hölbling, M. & Mayrhuber, J., 9 Oct 2017, Hydro 2017: SHAPING THE FUTURE OF HYDROPOWER. Aqua~Media International Ltd., Vol. 2017, p. 3.10 8 p.

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

Verbesserung der Zu- und Abströmung von Kraftwerksanlagen

Schiffer-Rosenberger, J., Benigni, H., Mosshammer, M. & Jaberg, H., 28 Sep 2017, Tagungsband: 20. Internationales Anwenderforum Kleinwasserkraftwerke 28. – 29. September 2017, Brixen, Italien. PSE AG, p. 105-112 8 p.

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

2016

100% Flexibilität bei Pumpspeicheranlagen: Hydraulischer Kurzschluss als zusätzlicher Betriebsmodus – Simulation und Validierung

Mosshammer, M., 1 Mar 2016, 14. Symposium Energieinnovation: Energie für unser Europa. I. F. E. U. E. IEE. (ed.). Verlag der Technischen Universität Graz

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

Cavitation optimization of a variable pitch mixed flow pump for cooling water by numerical mehtods and test rig verification

Höller-Litzlhammer, S., Jaberg, H., Benigni, H. & Kim, J. J., 14 Sep 2016, Pump Users International Forum 2016: Proceedings. Düsseldorf: VDMA, p. 777-789 13 p. 18-2

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

Comprehensive analysis of the saddle curve of pump turbines in pump mode using PIV and CFD

Widmer, C., Spyrou, N., Jaberg, H., Senn, F. & Guggenberger, M., 4 Jul 2016, IAHR Conference on Hydraulic machines and systems, Grenoble, 4-8 July 2016 : Publication in IOP Conference Series.

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

Development of a novel centrifugal pump with lowest specific speed

Benigni, H., Leithner, S., Schiffer-Rosenberger, J., Jaberg, H. & Höller-Litzlhammer, S., 14 Sep 2016, Pump Users International Forum 2016: Proceedings. Düsseldorf: VDMA, p. 179-192 14 p. 5-3

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

Experimental analysis of the flow pattern of a pump turbine model in pump mode

Guggenberger, M., Senn, F., Jaberg, H., Gehrer, A., Sallaberger, M. & Widmer, C., 4 Jul 2016, IAHR Conference on Hydraulic machines and systems, Grenoble, 4-8 July 2016 : Publication in IOP Conference Series.

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

Open Access

High speed visualization of the part load flow of an impeller in pump-mode

Guggenberger, M., Senn, F., Sallaberger, M. J., Gehrer, A. & Widmer, C., 13 Sep 2016, Pump Users International Forum 2016: Proceedings. Düsseldorf: VDMA, 12 p. 15-2

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

Low specific speed mixed flow API pump for single and multistage usage - multi-objective design challenge

Höller-Litzlhammer, S., Jaberg, H., Benigni, H. & Kim, J. J., 14 Sep 2016, Pump Users International Forum 2016: Proceedings. Düsseldorf: VDMA, p. 167-178 12 p. 5-2

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

Numerische Untersuchungen und Optimierung einer mehrstufigen Radialpumpe - Validierung anhand Prüfstandsmessungen

Mosshammer, M., 1 Dec 2016, Conference Proceedings - 34. CADFEM ANSYS Simulation conference.

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

Performance analysis of a single-blade impeller pump based on unsteady 3D numerical simulation

Schiffer-Rosenberger, J., Bodner, C. & Jaberg, H., 14 Sep 2016, Proceedings of the 3rd International Rotating Equipment Conference. VDMA, p. 193-203 10 p.

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

Refurbishment von Bestandsanlagen unter Verwendung der numerischen Strömungssimulation

Schiffer-Rosenberger, J., Benigni, H. & Jaberg, H., 22 Sep 2016, Proceedings des 19. Internationalen Anwenderforums Kleinwasserkraftwerke. p. 50-55 6 p.

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

Simulation and measurement of unstable pump characteristics: comparison with PIV

Widmer, C., Neubauer, R., Jaberg, H., Senn, F. & Guggenberger, M., 12 Oct 2016, HYDRO 2016, Montreux: Proceedings. Montreux, 9 p. 34

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

Simulation of damage caused by cavitation in non-rotating components of a Kaplan turbine

Benigni, H., Montenarie, B., Jaberg, H., Schiffer-Rosenberger, J., Gehrer, A., Grundner, F. & Döltelmayer, R., 10 Oct 2016, Hydro 2016: Achievements, opportunities and challenges. Aqua~Media International Ltd., 8 p. 4.04

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

SIMULATION OF DAMAGES DUE TO CAVITATION IN NON-ROTATING COMPONENTS IN A KAPLAN TURBINE

Benigni, H., Montenari, B., Jaberg, H., Schiffer-Rosenberger, J., Gehrer, A., Grundner, F. & Döltelmayer, R., 10 Nov 2016, 19. Internationales Seminar Wasserkraftanlagen: Flexible Betriebsweise von Wasserkraftanlagen im derzeiigen Energiesystem. Wien, p. 337-347 11 p. (Internationales Seminar Wasserkraftanlagen)

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

Wasserkraftpotential in Europa

Benigni, H. & Jaberg, H., 10 Feb 2016, 14. Symposium Energieinnovation: EnInnov 2016. Bachhiesel, U. (ed.). Graz, p. 26-27 2.1.1

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

2015

Comprehensive experimental and numerical analysis of instability phenomena in pump turbines

Gentner, C., Sallaberger, M., Widmer, C., Senn, F., Guggenberger, M. & Jaberg, H., 2015, Volume 22: 27th IAHR Symposium on Hydraulic Machinery and Systems (IAHR 2014) 22–26 September 2014, Montreal, Canada. Bristol, UK: IOP Publishing, p. 000-000

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

Evaluation of the refurbishment potential for Francis turbines using CFD and optimisation techniques

Özcan, A. Ö., Duva, B. C., Benigni, H., Schiffer, J., Jaberg, H. & Mosshammer, M., 2015, Conference proceedings. Budapest: ., p. 9999-9999

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

Experimental investigation of the turbine instability of a pump-turbine during synchronization

Guggenberger, M., Senn, F., Schiffer, J., Jaberg, H., Sallaberger, M., Gentner, C. & Widmer, C., 2015, Volume 22: 27th IAHR Symposium on Hydraulic Machinery and Systems (IAHR 2014) 22–26 September 2014, Montreal, Canada. Bristol, UK: IOP Publishing, p. 000-000 (Unsteady and Transient Phenomena)

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

INVESTIGATING THE DYNAMIC ASPECTS OF THE TURBINE INSTABILITY OF A PUMP TURBINE MODEL

Guggenberger, M., Senn, F., Schiffer, J., Jaberg, H., Sallaberger, M. & Widmer, C., 2015, Proceedings of 6th IAHR meeting of the Working Group. ., p. 285-290

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

Kaplanturbine mit Ejektornutzung

Fritsch, R., Schiffer, J., Jaberg, H., Benigni, H. & Fritsch, R., 2015, 14. PRAKTIKER-KONFERENZ, WASSERKRAFT – TURBINEN – SYSTEME. ., p. 9999-9999

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

NUMERICAL AND EXPERIMENTAL INVESTIGATION OF THE EJECTOR EFFECT APPLICABLE TO LOW HEAD VERTICAL KAPLAN TURBINES

Schiffer, J., Benigni, H., Jaberg, H. & Fritsch, R., 2015, Conference proceedings. Budapest: ., p. 9999-9999

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

Numerical simulation of the flow in a Francis turbine including the runner seals on crown and band side

Schiffer, J., Benigni, H. & Jaberg, H., 2015, Advancing Policy and Practice. PO Box 285 Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 9999-9999

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

OPTIMISATION OF A VARIABLE PITCH MIXED FLOW DIFFUSER PUMP WITH NUMERICAL METHODS AND TEST RIG VERIFICATION

Höller-Litzlhammer, S. & Benigni, H., 2015, Conference proceedings. Budapest: ., p. 9999-9999

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

Rehabilitation of a Francis turbine using CFD and optimization techniques: a case study in Turkey

Benigni, H., Schiffer, J., Jaberg, H., Özcan, A. Ö., Duva, B. C. & Mosshammer, M., 2015, Advancing Policy and Practice. PO Box 285 Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 9999-9999

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

2014

Refurbishment of semi-regulated Kaplan turbines and customised hydraulic development by means of CFD

Benigni, H., Jaberg, H., Schiffer, J., Guggenberger, M., Bock, N. & Viertler, M., 2014, Building on recent development Progress. Wallington, Surrey, UK: Aqua~Media International Ltd., p. 000-000

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

Rehabilitation of Semi-Regulated Kaplan S-Turbines and Hydraulic Redesign using CFD

Benigni, H., Jaberg, H., Schiffer, J., Bock, N. & Viertler, M., 2014, 18. Internationales Seminar Wasserkraftanlagen, Innovationen und Entwicklungsbedarf für nachhaltige Entwicklung der Wasserkraft. Wien: ., p. 775-784

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

2013

Experimental investigation of the rim-lip seal of a double regulated Straflo Kaplan turbine under extreme conditions

Schiffer, J., 2013, Promoting the versatile role of Hydro. PO Box 285 Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 9999-9999

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

Kleinwasserkraft-Pumpspeicherstandortstudie – Konzept, wirtschaftliche Analyse und Druckstoßberechnung

Benigni, H., Höller-Litzlhammer, S., Schiffer, J. & Jaberg, H., 2013, Kleinwasserkraftwerke. ., p. 103-108

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

PIV als experimentelle Methode für die Erklärung der S-Schlag Instabilität von Pumpturbinen

Senn, F., Guggenberger, M., Schiffer, J. & Jaberg, H., 2013, Lasermethoden in der Strömungsmesstechnik. Karlsruhe: Deutsche Gesellschaft für Laser Anemometrie, Vol. 21, p. 22-1-22-7 (Fachtagung)

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

Validation of Numerical Simulations of Rotating Displacement Pumps Using the Immersed Solid Method

Schiffer, J., 2013, ANSYS CONFERENCE & 31. CADFEM USERS’ MEETING 2013. ., p. ????-????

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

2012

A comparison of CFD-calculations and measurements of the fluid flow in Rotating Displacement Pumps

Schiffer, J., 2012, International Rotating Equipment Conference. ., p. 417-426

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

CFD-calculation of the fluid flow in a rotary lobe pump - Evaluation of a numerical model based on measurement results

Schiffer, J. & Klomberg, S., 2012, Conference proceedings Volume II. Budapest: ., p. 842-849

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

Hybrid Pump Storage Hydropower Plant: Site Selection, Economic Analysis and Water hammer Calculation

Benigni, H., Jaberg, H. & Höller-Litzlhammer, S., 2012, Proceedings, Pumpsspeicherung im Kontext der erneuerbaren Energieversorgung. Wien: ., p. 211-222

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

Kraftwerksplanung: Standortstudien, wirtschaftliche Analysen und Druckstoßberechnung

Jaberg, H., Benigni, H. & Höller-Litzlhammer, S., 2012, Wasser - Energie Global denken - lokal handeln. Graz: Verlag der Technischen Universität Graz, p. 241-250

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

Numerical Simulation and Experimental Set Up Of A Multiphase Pump Application

Benigni, H., Jaberg, H. & Michal, L., 2012, Conference proceedings Volume II. Budapest: ., p. 834-841

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

Numerical simulation of deep part-load operation for stable head curves of API pumps

Benigni, H., Jaberg, H., Salisbury, A. & Berry, O., 2012, International Rotating Equipment Conference. ., p. 321-330

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

Optimierung von Zu- und Ausläufen von Kraftwerken und Wechselwirkung mit den Maschinensätzen

Benigni, H., Jaberg, H., Molu, A. & Schiffer, J., 2012, Wasser - Energie Global denken - lokal handeln. Graz: Verlag der Technischen Universität Graz, p. 275-282

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

2011

CFD and small hydro power: HPP Poels − a case study

Benigni, H., Jaberg, H., Schiffer, J., Pühringer, M. & Zotter, R., 2011, Practical Solutions for a Sustainable Future. PO Box 285 Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 9999-9999

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

Waterhammer simulations for Kops II pumped storage HPP and comparison with measurements

Jaberg, H., Mader, R. & Meusburger, P. L., 2011, Practical Solutions for a Sustainable Future. PO Box 285 Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 9999-9999

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

2010

Numerical Simulation and Optimisation of Power Plant Equipment with Project Realisation

Benigni, H., Jaberg, H. & Schiffer, J., 2010, Reliable Hydropower for a Safe and Sustainable Power Production. Wien: ., p. 259-267

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

Numerical simulation of a vertical axis Francis runner and comparison with homologous test rig results

Benigni, H., Jaberg, H. & Schiffer, J., 2010, Hydro 2010 - Meeting Demands for a Changing World. Wallington, Surrey SM6 6AN, UK: Aqua~Media International Ltd., p. 999-999

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