Prof. em. Dr.-Ing. Bernd Stoffel

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Number of items: 153.

2016

Taubert, Paul and Stoffel, B. and Ludwig, G. and Pelz, P. F. (2016):
Development of a Standardized Approach to Assess the Energy Efficiency of Booster Pump Units in the Sense of an Extended Product.
In: 3rd International Rotating Equipment Conference (IREC) Pumps, Compressors and Vacuum Technology 2016, Duesseldorf, Germany, ISBN 978-3-8163-0697-9,
[Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/report_160615_...],
[Conference or Workshop Item]

2013

Lang, S. and Ludwig, G. and Pelz, P. F. and Stoffel, B. (2013):
General Methodologies of Determining the Energy-Efficiency-Index of Pump Units in the Frame of the Extended Product Approach.
In: Proceedings of the 8th International Conference on Energy Efficiency in Motor Driven Systems, Rio de Janeiro, Brazil, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_131009_E...],
[Article]

2012

Stoffel, B. (2012):
Herausforderung Energieeffizienz.
In: chemie & more, succida AG, [Online-Edition: http://130.83.195.220/publications/article_120600_chemie_and...],
[Article]

2009

Hamadeh, N. and Pelz, P. F. and Stoffel, B. and Ludwig, G. (2009):
Determination of the Tensile Strength and the Nuclei Concentration by Means of the In-Situ-Nozzle.
In: International Symposium on Cavitation 2009, [Online-Edition: http://www.fst.tu-darmstadt.de/media/fachgebiet_fst/dokument...],
[Article]

2008

Bischof, V. and Stoffel, B. and Pelz, P. F. (2008):
Self-optimisation of pumping modules with hydrodynamic interaction.
In: Pump Users International Forum, [Article]

2007

Dular, M. and Bachert, R. and Schaad, C. and Stoffel, B. (2007):
Investigation of a re-entrant jet reflection at an inclined cavity closure line.
In: European Journal of Mechanics B/Fluids, 26. pp. 688-705, [Article]

2006

Roth, M. and Stoffel, B. and Ludwig, G. (2006):
Experimental and Numerical Research of the Effects of a Pertubed of a Centrifugal Pump, paper FEDSM2006-98030.
In: 2006 ASME Joint U.S. – European Fluids Engineering Summer Meeting, Miami, FL, USA, [Report]

Brune, K. H. and Matyschok, B. and Stoffel, B. and Münz, S. (2006):
CFD-Analysis of the Flow Consisting of Two Mass Flows With Different Temperatures and/or Two Phases in a Turbocompressor.
In: 2006 ASME Joint U.S. – European Fluids Engineering Summer Meeting, Miami, FL, USA, July 17-20, 2006, [Conference or Workshop Item]

Dular, M. and Stoffel, B. and Širok, B. (2006):
Development of a Cavitation Erosion Mode.
In: Wear, (5), 261. pp. 642-655, [Article]

Schaad, C. and Beinert, C. and Brunn, B. and Ludwig, G. and Stoffel, B. (2006):
The "In-Situ-Nozzle", a Device for Measuring Tensile Strength of Fluids Directly in Operating Pump-Loops,.
In: Sixth International Symposium on Cavitation CAV2006, Wageningen, The Netherlands, [Report]

Schaad, C. and Ludwig, G. and Stoffel, B. (2006):
A New Device for Determination of Gas Formation Rates Under Pressure Gradients Appearing in Turbomachiner.
In: Sixth International Symposium on Cavitation CAV2006, [Article]

Kiesbauer, J. and Domagoj, V. and Roth, M. and Stoffel, B. (2006):
Predicting cavitation damage in control valves - New method evaluates noise in the ultrasonic range.
In: Hydrocarbon Processing, (3), 85. pp. 55-61, [Article]

2005

Roth, M. and Stoffel, B. (2005):
Einfluss der Einbaubedingungen auf das Verhalten von Kreiselpumpen.
In: DVGW Energie | Wasser-Praxis, 10. pp. 60-63, [Article]

Dular, M. and Bachert, R. and Stoffel, B. and Širok, B. (2005):
Experimental Evaluation of Numerical Simulation of Cavitating Flow Around Hydrofoi.
In: European Journal of Mechanics B/Fluids, 24. pp. 522-538, [Article]

Biesinger, T. and Kappies, W. and Matyschok, B. and Stoffel, B. (2005):
Losses in Air Intake Components of Industrial Gas Turbines.
In: 6th European Conference on Turbomachinery Fluid Dynamic and Thermodynamics, Lille, 2005, pp. 521-531, [Conference or Workshop Item]

Bachert, B. and Ludwig, G. and Stoffel, B. and Baumgarten, S. (2005):
Comparison of Different Methods for the Evaluation of Cavitation Damaged Surfaces, paper FEDSM2005-77368.
In: 2005 ASME Fluid Engineering Division Summer Meeting and Exhibition, Houston, Texas, USA, [Report]

Dular, M. and Bachert, B. and Širok, B. and Stoffel, B. (2005):
Transient Simulation, Visualiziation and PIV-LIF Measurements of the Cavitation on Different Hydrofoil Configurations.
In: Strojniski vestnik – Journal of Mechanical Engineering, (1), 51. pp. 13-27, [Article]

Domagoj, V. and Kiesbauer, J. and Roth, M. and Stoffel, B. (2005):
Vorhersage der Kavitationsaggressivität im Hinblick auf Bauteilbeschädigung bei Stellventilen.
In: Automatisierungstechnische Praxis, (12), 47. pp. 54-62, [Article]

Bachert, R. and Ludwig, G. and Stoffel, B. (2005):
Three Dimensional, Impressed Cavitation Effects at the Tongue of the Volute in a Radial Pump, paper FEDSM2005-77373.
In: 2005 ASME Fluid Engineering Division Summer Meeting and Exhibition, Houston, Texas, USA, [Report]

Dular, M. and Bachert, R. and Stoffel, B. and Širok, B. (2005):
Experimental Evaluation of Numerical Simulation of Cavitating Flow Around Hydrofoil.
In: European Journal of Mechanics B/Fluids, 24. pp. 522-538, [Article]

2004

Dular, M. and Bachert, Bernd and Stoffel, B. and Sirok, B. (2004):
Relationship between cavitation structures and cavitation damage.
In: Wear, (11), 257. Elsevier, pp. 1176-1184, ISSN 0043-1648,
DOI: 10.1016/j.wear.2004.08.004,
[Article]

Becker, Bernd and Stoffel, B. (2004):
Experimental investigations of a combustion chamber pre-diffuser.
In: Progress in Computational Fluid Dynamics, (3-5), 4. Inderscience Enterprises Limited, pp. 143-154, ISSN 1468-4349,
DOI: 10.1504/PCFD.2004.004082,
[Article]

Bachert, Bernd and Dular, M. and Baumgarten, S. and Ludwig, G. and Stoffel, B. (2004):
Experimental investigations concerning erosive aggressiveness of cavitation at different test configurations.
In: Proceedings of the ASME Heat Transfer/Fluids Engineering Summer Conference, ASME, [Article]

König, Sven and Heidecke, Axel and Stoffel, B. and Fiala, A. and Engel, K. (2004):
Clocking effects in a 1,5-stage axial turbine : boundary layer behaviour at midspan.
In: Proceedings of the ASME Turbo Expo 2004 : presented at the 2004 ASME Turbo Expo, June 14 - 17, 2004, Vienna, Austria / sponsored by the International Gas Turbine Institute.- New York, NY : ASME, 2004.- Paper GT2004-54055, New York, NY, ASME, [Conference or Workshop Item]

Chen, Q. and Stoffel, B. (2004):
CFD simulation of a hydraulic servo valve with turbulent flow and cavitation.
In: ASME Pressure Vessels and Piping Conference <2004, San Diego, Calif.>: Proceedings ...- Paper 2004-3107, [Conference or Workshop Item]

Heinke, Wolfram and König, Sven and Berthold, M. and Stoffel, B. and Fiala, A. and Heinig, K. (2004):
Experimental investigations on steady wake effects in a high-lift turbine cascade.
In: Experiments in fluids, 37. pp. 488-496, [Article]

Hergt, P. and Meschkat, Stephan and Stoffel, B. (2004):
The flow and head distribution within the volute of a centrifugal pump in comparison with the characteristics of the impeller without casing.
In: Journal of computational and applied mechanics, (2), 5. University of Miskolc, pp. 275-285, ISSN 1586-2070,
[Article]

Matyschok, B. and Stoffel, B. (2004):
Experimental investigations on a turbocharger compressor having a recirculator for sure control.
In: International Symposium on Transport Phenomena and Dynamics of Rotating Machinery <10, 2004, Honolulu>: Extended abstracts, proceedings, Honolulu, Hawaii, USA, March 07 - 11, 2004 / organized by Pacific Center of Thermal Fluids Engineering, USA; Institute, Aachen, Inst. of Steam and Gas Turbines, [Conference or Workshop Item]

Lohrberg, H. and Stoffel, B. (2004):
Measurement of Cavitation Erosive Aggressiveness by Means of Structure Born Noise.
[Article]

Roth, M. and Ludwig, G. and Stoffel, B. and Prien, K. J. and Gies, S. (2004):
Untersuchung zum Einfluss der Einbaubedingungen von Kreiselpumpen in Wasserversorgungsanlagen auf deren Betriebsverhalten.
In: Pump Users Intern, [Article]

2003

Coutier-Delgosha, O. and Fortes-Patella, R. and Reboud, J. L. and Hofmann, M. and Stoffel, B. (2003):
Experimental and numerical studies in a centrifugal pump with two-dimensional curved blades in cavitation condition.
In: Journal of Fluids Engineering, (6), 125. ASME, pp. 970-978, ISSN 0098-2202,
DOI: 10.1115/1.1596238,
[Article]

Bachert, Bernd and Ludwig, G. and Stoffel, B. and Sirok, B. and Novak, M. (2003):
Experimental investigations concerning erosive aggressiveness of cavitation in a radial test pump with the aid of adhesive copper films.
In: International Symposium on Cavitation <5, 2003, Osaka>: Proceedings ... cav2003, Osaka, Japan, November 1-4, 2003, [Report]

Wang, Zhuo and Stoffel, B. (2003):
Behaviour of synthetic jet on stalled airfoil flow.
In: Aerospace Sciences Meeting and Exhibit <41, 2003, Reno, Nev.>: Proceedings ...- Reston, Va.: Inst. of Aeronautics and Astronautics, 2003, Reston, Va., Inst. of Aeronautics and Astronautics, [Conference or Workshop Item]

Wang, Zhuo and Stoffel, B. (2003):
Numerical analysis of active control on an airfoil with synthetic jet.
In: European Conference on Turbomachinery <5, 2003, Praha>: 5th European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics : conference proceedings .../ ed. by Miroslav St'astn¡.- Praha, 2003.- 1236 S.- ISBN 0-8247-0995-0, [Conference or Workshop Item]

Bootz, Andreas and Brander, M. and Stoffel, B. (2003):
Efficiency analysis of hydraulic power steering systems.
In: Scandinavian International Conference on Fluid Power <8, 2003, Tampere>: Proceedings ...SICFP'03, May 7-9, 2003 / ed. Kari T. Koskinen.- Tampere: Univ. of Technology, 2003, Tampere, Univ. of Technology, [Conference or Workshop Item]

Tamm, Alberto and Stoffel, B. (2003):
Untersuchungen zum Wirkungsgradpotenzial von Kreiselpumpen.
In: Delta-p: das moderne Pumpenmagazin, 9. Nagel Ingenieur-Verlag, pp. 42-45, [Article]

Bachert, Bernd and Brunn, Bernhard and Stoffel, B. (2003):
Experimental investigations concerning influences on cavitation inception at an axial test pump.
In: Joint Fluids Engineering Conference <4, 2003, Honolulu, Hawaii>: Proceedings of the 4th ASME JSME Joint Fluids Engineering Conference ... / ed. by Ali Ogut.- New York, NY: American Soc. of Mechanical Engineers, 2003.-, New York, NY, American Soc. of Mechanical Engineers, [Conference or Workshop Item]

Tamm, Alberto and Stoffel, B. (2003):
Einfluss von betriebsbedingter Spalterweiterung und Zunahme der Oberflächenrauheit auf den Wirkungsgrad und die Lebensdauerkosten von Kreiselpumpen.
In: XXXV. Kraftwerkstechnisches Kolloquium, Dresden, 23.-24. Oktober 2003, Tagungsbd., [Conference or Workshop Item]

Brunn, Bernhard and Ludwig, G. and Stoffel, B. (2003):
The effect of gas diffusion on bubble dynamics.
In: International Symposium on Cavitation <5, 2003, Osaka>: Proceedings ... cav2003, Osaka, Japan, November 1-4, 2003, [Report]

Bachert, Rudolf and Stoffel, B. (2003):
Messung instationärer, dreidimensionaler Effekte kavitierender Strömungen mit Hilfe der PIV/LIF-Messtechnik.
In: Thema Forschung, pp. 78-84, [Article]

Bachert, Rudolf and Stoffel, B. (2003):
Messung instationärer, dreidimensionaler Effekte kavitierender Strömungen an einem Einzelprofil mit Hilfe PIV/LIF-Messtechnik.
In: Fachtagung Lasermethoden in der Strömungsmesstechnik <11, 2003, Braunschweig>: Lasermethoden ... / Hrsg. D. Dopheide ...- Braunschweig : PTB, 2003.- ca. 400 S.- ISBN 3-00-011903-5, Braunschweig, PTB, [Conference or Workshop Item]

Dular, M. and Bachert, Rudolf and Stoffel, B. and Sirok, B. (2003):
Numerical and experimental study of cavitating flow on 2D and 3D hydrofoils.
In: International Symposium on Cavitation <5, 2003, Osaka>: Proceedings ... cav2003, Osaka, Japan, November 1-4, 2003, [Conference or Workshop Item]

Frobenius, M. and Schilling, R. and Bachert, Rudolf and Stoffel, B. and Ludwig, G. (2003):
Three-dimensional unsteady cavitation effects on a single hydrofoil and in a radial pump : measurements and numerical simulation; P. 2: Numerical simulation.
In: International Symposium on Cavitation <5, 2003, Osaka>: Proceedings ... cav2003, Osaka, Japan, November 1-4, 2003, [Report]

Bachert, Rudolf and Ludwig, G. and Stoffel, B. and Frobenius, M. and Schilling, R. (2003):
Three-dimensional unsteady cavitation effects on a single hydrofoil and in a radial pump : measurements and numerical simulations; P. 1: Experiments.
In: International Symposium on Cavitation <5, 2003, Osaka>: Proceedings ... cav2003, Osaka, Japan, November 1-4, 2003, [Report]

Hergt, P. and Meschkat, S. and Stoffel, B. (2003):
The Flow and Head Distribution Within the Volute of a Centrifugal Pump in Comparison With the Characteristiscs of the Impeller Without Casing.
In: 12th International Conference on Fluid Flow Technologies, Budapest, Hungary, September 3 6, 2003, [Conference or Workshop Item]

2002

Bootz, Andreas and Stoffel, B. (2002):
Development of a robust controller for a pressure control unit.
In: International FPNI-PhD Symposium on Fluid Power <2, 2002, Modena>: Proceedings ..., July 3-6, 2002, [Conference or Workshop Item]

Dular, M. and Sirok, B. and Novak, M. and Hocevar, M. and Stoffel, B. and Ludwig, G. (2002):
Development of the Cavitation Erosion Prediction Method in Hydraulic Machines.
In: 15th International Congress on Condition Monitoring and Diagnostic Engineering Management (COMADEM 2002), [Article]

Lohrberg, H. and Stoffel, B. (2002):
Im Laufrad integrierte Messung der Kavitationsaggressivität in Turbomaschinen.
In: DFG, Mechatronische Systeme für den Maschinenbau Ergebnisse aus dem SFB 241 IMES, Wiley-VCH, August 2002, [Conference or Workshop Item]

Lohrberg, H. and Stoffel, B. and Fortes-Patella, R. and Reboud, J.-L. (2002):
Numerical and experimental investigations on the cavitating flow in a cascade of hydrofoils.
In: Experiments in Fluids, (4), 33. Springer-Verlag, pp. 578-586, [Article]

Ludwig, G. and Lohrberg, H. and Stoffel, B. (2002):
Detection of 2-Dimensional Contours of Cavitation Pockets on a Single Hydrofoil.
In: 2nd International Symposium on Quantification of Visualized Processes in Fluid Dynamics, [Article]

Ludwig, G. and Meschkat, S. and Stoffel, B. (2002):
Design Factors Affecting Pump Efficiency.
In: 3rd International Conference on Energy Efficiency in Motor Driven Systems, [Article]

Meschkat, S. and Stoffel, B. (2002):
Rotor-Stator-Interaction and Turbulence in a Centrifugal Pump Stage.
In: 21st IAHR Symposium, Lausanne, Switzerland, September 09-12, 2002, [Conference or Workshop Item]

Meschkat, S. and Stoffel, B. (2002):
The Local Impeller Head at Different Circumferential Positions in a Volute Casing Centrifugal Pump in Comparison to the Characteristic Curve of the Impeller Alone.
In: 21st IAHR Symposium, Lausanne, Switzerland, September 09-12, 2002, [Conference or Workshop Item]

Sirok, B. and Dular, M. and Novak, M. and Hocevar, M. and Stoffel, B. and Ludwig, G. and Bachert, B. (2002):
The Influence of Cavitation Structures on the Erosion of a Symmetrical Hydrofoil in a Cavitation Tunnel.
In: Journal of Mechanical Engineering, 48. pp. 368-378, [Article]

Skoda, R. and Schilling, R. and Thurso, J. and Stoffel, B. (2002):
Numerical Simulation of Unsteady and Transitional Flows Pertaining to Turbine Cascades.
In: 5th International Symposium on Engineering Turbulence Modelling and Measurements, Mallorca, Spain, September 16-18, 2002, [Conference or Workshop Item]

Stoffel, B. and Meschkat, S. and Mollenkopf, G. and Prien, K. J. (2002):
Thermodynamic On-Site Measurement of the Efficiency of Centrifugal Water Supply Pumps in the Frame of Condition Orientated Maintenance.
In: 3rd International Conference on Energy Efficiency in Motor Driven Systems, Treviso, Italien, September 18-20, 2002, [Conference or Workshop Item]

Tamm, A. and Eikmeier, L. and Stoffel, B. (2002):
The Influences of Surface Roughness on Head, Power Input and Efficiency of Centrifugal Pumps.
In: 21st IAHR Symposium, Lausanne, Switzerland, September 09-12, 2002, [Conference or Workshop Item]

Tamm, A. and Gugau, M. and Stoffel, B. (2002):
Experimental and 3-D Numerical Analysis of the Flow Field in Turbomachines Part II.
In: International Congress on Quality Assessment of Numerical Simulations in Engineering (QUANSE 2002), University of Concepcin, Chile, April 9-12, 2002, [Conference or Workshop Item]

Tamm, A. and Gugau, M. and Stoffel, B. (2002):
Experimental and 3-D Numerical Analysis of the Flow Field in Turbomachines Part I.
In: International Congress on Quality Assessment of Numerical Simulations in Engineering (QUANSE 2002), University of Concepcin, Chile, April 9-12, 2002, [Conference or Workshop Item]

Tamm, A. and Stoffel, B. (2002):
The Influences of Gap Clearance and Surface Roughness on Leakage Loss and Disc Friction of Centrifugal Pumps.
In: 2002 ASME Fluids Engineering Division Summer Meeting Montreal, Canada, July 1418, 2002, [Conference or Workshop Item]

Wang, Z. and Stoffel, B. (2002):
A Modified Turbulence Model on Predicting Separated Airfoil Flow.
In: 40th AIAA Aerospace Science Meeting &amp; Exhibit, Reno, NV USA. January 14-17, 2002, [Conference or Workshop Item]

Bachert, B. and Lohrberg, H. and Stoffel, B. (2002):
Cavitation Monitoring in Hydraulic Machines With the Aid of a Computer Aided Visualization Method.
In: 2nd International Symposium on Quantification of Visualized Processes in Fluid Dynamics, Bled, Slovenia. February 04-05, 2002, [Conference or Workshop Item]

2001

Gugau, Manfred and Matyschok, B. and Stoffel, B. (2001):
Experimental and 3-D numerical analysis of the flow field in a turbocharger compressor.
In: European Conference on Turbomachinery <4, 2001, Firenze>: Conference Proceedings. - Padova: Servici Grafici Ed., 2001 = Paper ATI-CST-023/01, Padova, Servici Grafici Ed., [Conference or Workshop Item]

Habr, Klaus and Stoffel, B. (2001):
Dynamic simulation of entire hydraulic systems.
In: Scandinavian International Conference on Fluid Power (SICEFP '01) <7, 2001, Linköping>: Proceedings, [Conference or Workshop Item]

Tamm, Alberto and Ludwig, G. and Stoffel, B. (2001):
Numerical, experimental and theoretical analysis of the individual efficiencies of a centrifugal pump.
In: ASME Fluid Engineering Division Summer Meeting <2001, New Orleans, Louisiana>; Proceedings, [Conference or Workshop Item]

Breitbach, Christian and Stoffel, B. (2001):
Computation of wake-induced unsteady flow on a flat plate using two-layer turbulence models.
In: International Symposium on Flow Modelling and Turbulence Measurements <8, 2001, Tokyo>: Proceedings, [Conference or Workshop Item]

Hofmann, M. and Stoffel, B. and Friedrichs, J. and Kosyna, G. (2001):
Similarities and geometrical effects on rotating cavitation in two scalted centrifugal pumps.
In: International Symposium on Cavitation <4, 2001, Pasadena, CA>: Proceedings, [Conference or Workshop Item]

Hofmann, M. and Stoffel, B. and Coutier-Delgosha, O. and Fortes-Patella, R. and Reboud, J. L. (2001):
Experimental and numerical studies on a centrifugal pump with 2D-curved blades in cavitating condition.
In: International Symposium on Cavitation <4, 2001, Pasadena, CA>: Proceedings, [Conference or Workshop Item]

Lohrberg, Henrik and Stoffel, B. and Fortes-Patella, R. and Reboud, J. L. (2001):
Numerical and experimental investigations on the cavitating flow in a cascade of hydrofoils.
In: International Symposium on Cavitation <4, 2001, Pasadena, CA>: Proceedings, [Conference or Workshop Item]

Lohrberg, Henrik and Stoffel, B. (2001):
Measurement of cavitation erosive aggressiveness by means of structure born noise.
In: International Symposium on Cavitation <4, 2001, Pasadena, CA>: Proceedings, [Conference or Workshop Item]

Thurso, Jens and Stoffel, B. (2001):
Numerical simulation of wake velocity and wake turbulence effects on unsteady boundary layer transition.
In: European Conference on Turbomachinery <4, 2001, Firenze>: Conference Proceedings. - Padova: Servici Grafici Ed., 2001 = Paper ATI-CST-074/01, Padova, Servici Grafici Ed., [Conference or Workshop Item]

Aysheshim, Wondwossen and Stoffel, B. (2001):
Experimental investigations on a centrifugal pump stage with and without a vaned diffuser.
In: La houille blanche: Revue internationale de l'eau, (3-4), La Société Hydrotechnique de France, pp. 70-76, ISSN 0018-6368,
[Online-Edition: https://doi.org/10.1051/lhb/2001040],
[Article]

Jördening, A. and Matyschok, B. and Stoffel, B. (2001):
Experimentelle Analyse der Rotating Stall-Struktur in einem einstufigen Axialverdichter.
In: VDI-Berichte Nr. 1640, [Report]

Katz, M. and Stoffel, B. (2001):
Aktive Unterdr/&quot;ckung von Rotating Stall in einem Axialverdichter mit pulsierendder Lufteinblasung.
In: VDI-Berichte Nr. 1591, [Report]

Thurso, J. and Stoffel, B. (2001):
Numerical Simulation of Wake Velocity and Wake Turbulence Effects on Unsteady Boundary Layer Transition.
In: Proceedings of the Institution of Mechanics Engineers. Part A Journal of Power and Energy, (6), 215. Sage, pp. 753-762, [Online-Edition: https://doi.org/10.1243/0957650011538884],
[Article]

2000

Aysheshim, W. and Stoffel, B. (2000):
Numerical and Experimental Investigations on a Centrifugal Pump Stage With and Without a Diffuser: Experimental Part.
In: 20th IAHR-Symposium, Charlotte North Carolina USA, 2000, paper No. CFDD-G01, [Conference or Workshop Item]

Aysheshim, W. and Stoffel, B. (2000):
Experimental Investigations on a Centrifugal Pump Stage With and Without a Vaned Diffuser.
In: 164 session du Comite Scientifique et Technique de la Societe Hydrotechnique de France, Chatou, France, 21. - 22. November 2000, [Conference or Workshop Item]

Jördening, A. and Matyschok, B. and Stoffel, B. (2000):
Experimental Analysis of Unsteady Flow Separations in an Axial Compressor Using a Dynamic Five Hole Pressure Probe.
In: 9th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines, Ecole Centrale de Lyon Lyon, France, September 4-8, 2000, [Conference or Workshop Item]

Katz, M. and Stoffel, B. (2000):
Active Control of Rotating Stall in an Axial Compressor by Pulsed Air Injection Part.
In: 9th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines, Ecole Centrale de Lyon Lyon, France, September 4-8, 2000, [Conference or Workshop Item]

Lohrberg, H. and Stoffel, B. (2000):
Avoiding Cavitation Erosion.
In: Pump Users International Forum 2000, Karlsruhe 10. 12. October, Training Seminar S 2, [Conference or Workshop Item]

Lohrberg, H. and Voss, B. and Stoffel, B. and Glesner, M. (2000):
Impeller Integrated Measurement of Cavitation Erosive Aggressiveness.
In: 1st IFAC Conference on Mechatronic Systems, Darmstadt, [Conference or Workshop Item]

Münch, A. and Ludwig, G. and Stoffel, B. (2000):
Experimental Inestigations Concerning the Realizability of the Potential for Improving Efficiency of Volute Casing Pumps by Mechanical Design and Precision Manufacturing.
In: Pump Users International Forum 2000, Karlsruhe 10. 12. October, Section 10, Paper 10-1, [Conference or Workshop Item]

Meschkat, S. and Stoffel, B. and Ilg, F. and Irmscher, R. and Mollenkopf, G. and Prien, K.-J. (2000):
Applicability and Limitations of the Thermodynamic Determination of Efficiency in the Frame of Condition Orientied Maintenance of Rotodynamic Pumps in Drinking Water Plants.
In: Pump Users International Forum 2000, Karlsruhe 10. 12. October, Section 10, Paper 10-2, [Conference or Workshop Item]

Meschkat, S. and Stoffel, B. and Prien, K.-J. (2000):
Die thermodynamische Wirkungsgradmessung an Pumpen der Wasserversorgung.
In: GWF Wasser/Abwasser Magazin, (2), 141. pp. 694-701, [Article]

Tamm, A. and Braten, O. and Stoffel, B. and Ludwig, G. (2000):
Analysis of a Standard Pump in Reverse Operation Using CFD.
In: 20th IAHR-Symposium, Charlotte North Carolina USA, 2000, paper No. PD-05, [Conference or Workshop Item]

Thurso, Jens and Stoffel, B. and Lou, W. and Hourmouziadis, J. (2000):
Simulation von Grenzschichten mit laminaren Ablöseblasen bei stationären und periodischinstationären Strömungsbedingungen.
In: Deutscher Luft- und Raumfahrtkongress, Beitrag DGLR-JT2000-101, 18.-21. September 2000, Leipzig, [Conference or Workshop Item]

Voss, B. and Glesner, M. and Lohrberg, H. and Stoffel, B. (2000):
Wireless Energy and Data Transmission for Impeller Integrated Measurement of Erosive Aggressiveness.
In: IEEJ International Analog VLSI Workshop, Stockholm, June 2000, [Conference or Workshop Item]

Lohrberg, H. and Stoffel, B. (2000):
Im Laufrad integrierte Messung der Kavitationsaggressivität in Turbomaschinen.
In: Thema Forschung, Zeitschrift der TU Darmstadt, (1), 2000. pp. 26-30, [Article]

1999

Keller, A. P. and Rott, H. K. and Stoffel, B. and Striedinger, Ralph (1999):
Massstabseffekte bei der Strömungskavitation.
In: Forschung im Ingenieurwesen, 65. Springer, pp. 48-57, ISSN 0015-7899,
DOI: 10.1007/PL00010776,
[Article]

Münch, A. and Stoffel, B. (1999):
Wirkungsgradpotential von Kreiselpumpen.
In: Dp Pumpenmagazin, pp. 52-55, [Article]

Hartnagel, Hans L. and Mutamba, K. and Brandt, M. and Pfeiffer, J. and Riemenschneider, R. and Meißner, P. and Breuer, B. and Hennecke, Dietmar K. and Stoffel, B. (1999):
III-V-Micromechanics for sensing applications in mechanical engineering and for optical communications.
In: WOCSEMMAD'99 <1999, New Orleans>: Proceedings, [Conference or Workshop Item]

Hofmann, M. and Lohrberg, H. and Ludwig, G. and Stoffel, B. and Reboud, J.-L. and Fortes-Patella, R. (1999):
Numerical and Experimental Investigations on the Self-Oscillating Behaviour of Cloud Cavitation and Part I: Visualisation.
In: 3rd ASME/JSME Joint Fluids Engng. Conference, San Francisco, 1999, FEDSM99-6755, [Conference or Workshop Item]

Jördening, A. and Stoffel, B. and Matyschok, B. (1999):
Experimental Investigations of Flow Instabilities in a Single-Stage Axial Compressor.
In: 3rd European Conference on Turbomachinery, London, 1999, pp. 585-593, [Conference or Workshop Item]

Lohrberg, H. and Hofmann, M. and Ludwig, G. and Stoffel, B. (1999):
Analysis of Damaged Surfaces and Part II: Pit Counting by 2D Optical Techniques.
In: 3rd ASME/JSME Joint Fluids Engng. Conference, San Francisco, 1999, FEDSM99-6754, [Conference or Workshop Item]

Maier, O. and Stoffel, B. (1999):
An Electromagnetically Adjustable Secondary-Controlled Hydraulic Drive with a Fuzzy-Controller.
In: 6th Scandinavian International Conference on Fluid Power, Tampere, 1999, pp. 887-901, [Conference or Workshop Item]

Striedinger, R. and Awad, Ibrahim and Ludwig, G. and Stoffel, B. (1999):
Experimental Investigations Concerning the Influence of Liquid Property and Speed of Rotation on the Inception of Blade Cavitation in Pumps with Different Specific Speeds.
In: 3rd ASME/JSME Joint Fluids Engng. Conference, San Francisco, 1999, FEDSM99-7269, [Conference or Workshop Item]

Striedinger, R. and Stoffel, B. (1999):
Experimental Investigations Concerning the Influence of Liquid Property and Speed of Rotation on the Inception of Blade Cavitation in Pumps with Different Specific Speeds Instaled in Different Test Loops.
In: International Cavitation Forum, Wuhan, China, Oct. 1999, [Conference or Workshop Item]

1998

Lauer, Johannes and Stoffel, B. (1998):
Neuere Untersuchungen zur Strömung in den Radseitenräumen von Kreiselpumpen.
In: Beiträge zu Fluidenergiemaschinen. Bd. 4: Herrn Prof. Dr.-Ing. habil. Dominik Surek zum 65. Geburtstag am 22. Mai 1998 gewidmet . Hrsg.: W. H. Faragallah. S. 33 - 43, Sulzbach /Ts.: Faragallah, 1998,
Sulzbach /Ts, Faragallah, [Book Section]

Unger, Ditmar and Stoffel, B. (1998):
Numerical simulation of bypass transition using low-Reynolds number turbulence models.
In: ASME Fluids Engineering Division Summer Meeting <1998, Washington, DC>: Proceedings, [Conference or Workshop Item]

Stoffel, B. (1998):
Neuere Ergebnisse zum maximal erreichbaren Wirkungsgrad von Kreiselpumpen.
In: Kraftwerkstechnisches Kolloquium <30, 1998, Dresden>: Tagungsbd. Beitr. V8, S.57 ff, [Conference or Workshop Item]

Hambrecht, Jürgen and Aysheshim, W. and Stoffel, B. (1998):
Secondary flows in centrifugal pump impellers of different specific speeds at partial load.
In: International Association for Hydraulic Research: IAHR-Symposium <1998, Singapore>: Proceedings. S. 843 -851, [Conference or Workshop Item]

Böhm, Ralph and Hofmann, M. and Ludwig, G. and Stoffel, B. (1998):
Investigation on possibilities to control the erosive cavitation aggressiveness by hydrodynamic effects.
In: International Symposium on Cavitation <3, 1998, Grenoble>: Proceedings. S. 121 - 127, [Conference or Workshop Item]

Lohrberg, Henrik and Ludwig, G. and Stoffel, B. (1998):
Erfassung der 2D- Konturen von Kavitationsblasentaschen.
In: Fachtagung Lasermethoden in der Strömungsmeßtechnik <6, 1998, Essen>: Tagungsbd. S.41.1 -41.4, [Conference or Workshop Item]

Awad, Ibrahim and Ludwig, G. and Stoffel, B. (1998):
Experimental investigations concerning the influence of liquid property and speed of rotation on the inception of blade cavitation in a centrifugal pump.
In: International Symposium on Cavitation <3, 1998, Grenoble>: Proceedings. S. 329 -334, [Conference or Workshop Item]

1997

Stoffel, B. and Matyschok, B. (1997):
Experimental investigations of the flow at the outlet of a turbocharger turbine rotor.
In: European Conference on Turbomachinery, Fluid Dynamics and Thermodynamics <2, 1997, Antwerpen>: Proceedings. S. 299-306, [Conference or Workshop Item]

Schilling, R. and Ritzinger, S. and Stoffel, B. and Hambrecht, J. (1997):
Numerical and experimental flow analysis in centrifugal pump impellers.
728In: Japan Society of Mechanical Engineers: International Conference on Fluid Engineering <1997, Tokyo>: Proceedings, [Conference or Workshop Item]

Lauer, Johannes and Jaeger, R. and Ludwig, G. and Stoffel, B. (1997):
The clearance sensitivity of centrifugal pumps with semi-open impellers.
In: American Society of Mechanical Engineers: Fluids Engineering Conference <1997, Vancouver>: Proceedings, [Conference or Workshop Item]

Dietze, M. and Stoffel, B. (1997):
Numerische Berechnung und experimentelle Untersuchungen zu Innenströmung in Sitzventilen.
In: Ölhydraulik und Pneumatik, (19), 41. [Article]

Böhm, R. and Stoffel, B. and Ludwig, G. (1997):
Investigations on the Unsteady Behaviour of Cavitation and the Corresponding Pressure Field.
In: La Houille Blanche, (4), 5. pp. 84-88, [Article]

1996

Jäger, R. and Lauer, J. and Ludwig, G. and Stoffel, B. (1996):
Experimentelle und theoretische Untersuchungen zur Strömung in Kühlmittelpumpen von Verbrennungsmotoren.
In: Motortechnische Zeitschrift : MTZ, (7/8), 57. Springer-Vieweg, pp. 416-423, ISSN 0024-8525,
[Article]

Stoffel, B. and Ludwig, G. and Böhm, R. (1996):
Untersuchungen zur erosiven Aggressivität von Kavitationsvorgängen in hydraulischen Maschinen.
In: Thema Forschung. 2 (1996), S. 60-69, [Article]

Stoffel, B. and Jäger, R. (1996):
Experimental investigations in respect ot the relevance of suction specific speed for the performance and reliability of centrifugal pumps.
In: International Pump Users Symposium <13, 1996, Houston>: Proceedings. S. 3-12, [Conference or Workshop Item]

Stoffel, B. (1996):
Blade wakes in axial turbomachines - their structure and unsteady downstream effects.
In: International Symposium on Fluid Machinery and Fluid Engineering <1996, Bejing, China>: Proceedings. S. 34-45, [Conference or Workshop Item]

Kipping, Markus and Stoffel, B. (1996):
Experimental and numerical investigations of the flow in oil-hydraulic spool valves.
In: International Symposium on Fluid Machinery and Fluid Engineering <1996, Bejing, China>: Proceedings. S. 410-417, [Conference or Workshop Item]

Stoffel, B. and Weiss, K. Cabrera, E. (ed.) (1996):
Different types and locations of part-load recirculations in centrifugal pumps found from LDV measurements.
In: Hydraulic machinery and cavitation, Dordrecht, Kluwer Acad. Publ., pp. 1034-1043, [Book Section]

Lauer, J. and Stoffel, B. (1996):
Theoretische Untersuchungen zum maximal erreichbaren Wirkungsgrad von Kreiselpumpen.
In: Preprints Pumpentagung, Karlsruhe 1996, Sektion C7, [Conference or Workshop Item]

1995

Stoffel, B. (1995):
Die Bedeutung der Kavitation für den sicheren Betrieb von Kreiselpumpen.
In: Pumpen und Kompressoren. 1995, 1, S. 77-83, [Article]

Stoffel, B. and Schuller, W. (1995):
Investigations concerning the influence of pressure distribution and cavity length on the hydrodynamic cavitation intensity.
In: Cavitation and gas-liquid flow in fluid machinery and devices: ASME Fluids Engng. Conference, Hilton Head Island, 1995. S. 51-58, New York, American Soc. of Mechanical Eng., [Conference or Workshop Item]

Hergt, P. and Brodersen, S. and Stoffel, B. and Ludwig, G. (1995):
The influence of prerotation on the leakage flow through sealing gaps in pumps.
In: International Conference on Pumps and Fans <2, 1995, Peking>: Proceedings. S. 441-449, [Conference or Workshop Item]

Kurr, K.-J. and Stoffel, B. (1995):
Ein aktives, mechatronisches System zur Minderung von Pulsationen in hydraulischen Anlagen.
In: Automatisierungstechnik. 43 (1995), S. 554-561, [Article]

1994

Stoffel, B. (1994):
Aktuelle Methoden und Ziele der experimentellen Kavitationsforschung.
In: Forschung im Ingenieurwesen, 60. Springer, pp. 317-322, ISSN 0015-7899,
DOI: 10.1007/BF02601402,
[Article]

Stoffel, B. (1994):
Überlegungen zum maximal erreichbaren Wirkungsgrad von Kreiselpumpen.
In: Strömungsmechanik und Strömungsmaschinen, 48. Braun, pp. 21-32, ISSN 0585-427X,
[Article]

Stoffel, B. and Fosam, R. (1994):
Theoretical and experimental studies concerning the reduction of waterhammer effects in hydraulic systems by means of active control.
In: IAHR-Symposium Peking 1994, S. 1449-1460, [Conference or Workshop Item]

Stoffel, B. and Schuller, W. (1994):
Measurements of the hydrodynamic cavitation intensity in Venturi sections shaped to generate various pressure distributions.
In: 2nd Intern. Symposium on Cavitation, Tokyo, 1994, Sess. A-8 Erosion, S. 237-242, [Conference or Workshop Item]

Stoffel, B. and Wei, K. (1994):
Experimental investigations on part load flow phenomena in centrifugal pumps.
In: World Pumps, (10), pp. 46-50, [Article]

1993

Herpel, H.-J. and Glesner, M. and Kurr, K.-J. and Stoffel, B. (1993):
Einsatz von Rapid Prototyping bei der Realisierung eines ASICs zur dynamischen Volumenstrommessung in hydraulischen Systemen.
In: In: GME-Fachbericht 11 Mikroelektronik, Dresden, 1993, S. 309-316, [Conference or Workshop Item]

Hureau, J. and Kermarec, J. and Stoffel, B. and Wei, K. (1993):
Study of internal recirculation in centrifugal impellers.
In: ASME Fluids Engng. Conference, Washington D.C. and 1993, FED-Vol 154 Pumping Machinery, S.151-157, [Conference or Workshop Item]

Kurr, K.-J. and Stoffel, B. (1993):
Ein aktives System zur Minderung von Pulsationen in Hydraulikanlagen.
In: 9. Fachtagung Hydraulik und Pneumatik, Dresden, 1993, Beitrag H 10, [Conference or Workshop Item]

Kurr, K. J. and Stoffel, B. (1993):
Aktive Systeme zur Minderung von Druck- und Volumenstrompulsationen in hydraulischen Anlagen.
In: Fachtagung Integrierte mechanisch-elektronische Systeme, Darmstadt, 1993, veröffentlicht in VDI Fortschrittsberichte Nr. 179, [Conference or Workshop Item]

Stoffel, B. (1993):
Der Dichtspalt in Kreiselpumpen ein einfaches Element mit sehr komplexen Auswirkungen.
In: Strömungsmechanik und Strömungsmaschinen, 46. Braun, pp. 33-48, ISSN 0585-427X,
[Article]

1992

Kiesbauer, J. and Stoffel, B. (1992):
Selbstanpassende passive Pulsationsminderer f/&quot;r hydraulische Systeme.
In: 10. Aachener Fluidtechnisches Kolloquium 1992, Bd. 2, S. 59-76, [Conference or Workshop Item]

Schuller, W. and Stoffel, B. (1992):
Untersuchung von Einflüssen auf kavitationsspezifische Schallsignale.
In: Preprints Pumpentagung Karlsruhe 1992, Sektion A8, [Conference or Workshop Item]

Stoffel, B. (1992):
Cavitation in hydraulic turbomachines State-of-the-art and topics of actual research.
In: (Invited paper) Int. Symp. on Propulsors and Cavitation, Hamburg 1992, Paper 3.1, [Conference or Workshop Item]

Stoffel, B. and Ludwig, G. and Wei, K. (1992):
Experimental investigations on the structure of part-load recirculations in centrifugal pump impellers and the role of different influences.
In: IAHR-Symposium Sao Paulo 1992, vol. 2, S. 445-454, [Conference or Workshop Item]

Stoffel, B. and Schuller, W. (1992):
Investigations in respect to the determination of cavitation intensity by the means of acoustic signals.
In: 2. Journes Cavitation, Socit Hydrotechnique de France, Paris 1992, Session Cavitation Erosion (Fluid), Paper 6, [Conference or Workshop Item]

Stoffel, B. and Schuller, W. (1992):
Investigations in respect to the determination of cavitation intensity by the means of acoustic signals.
In: La Houille Blanche, 47. pp. 601-604, [Article]

Wei, K. and Stoffel, B. (1992):
Experimentelle Untersuchung des Teillastverhaltens von Kreiselpumpen unterschiedlicher spezifischer Drehzahl.
In: XXIV. Kraftwerkstechnisches Kolloquium, Dresden 1992, Beitrag V9, [Conference or Workshop Item]

1991

Ionescu, F. and Stoffel, B. (1991):
Contribution to the automatic generation of mathematical models for the computer assisted analysis and synthesis of hydraulic drive systems.
In: Proc. 2nd Tampere Int. Conf. on Fluid Power 1991, Sess. V, [Conference or Workshop Item]

Ludwig, G. and Stoffel, B. (1991):
The influence of the suction sided gap flow on part load recirculation and blade cavitation in a centrifugal pump.
In: Proceedings of the ninth conference on fluid machinery / L. Kisbocskói Szabó, [Hrsg.], Budapest, [Conference or Workshop Item]

1990

Barton, V. and Stoffel, B. (1990):
A method for objective and quantitative determination of pressure pulsation excited by a centrifugal pump in arbitrary teststand.
In: Interfluid, Essen (1990), Session 3, [Conference or Workshop Item]

Ludwig, G. and Stoffel, B. (1990):
Untersuchungen zur Kavitation an Dichtspalten und Entlastungsbohrungen von Kreiselpumpen.
In: Konstruktion 42 (1990), N. 2, S. 41-46, [Conference or Workshop Item]

Stoffel, B. (1990):
Strömungsmechanik in der Ventiltechnik Grundlagen, Methoden und Perspektiven.
In: 9. Aachener Fluidtechnisches Kolloquium 1990, Bd. 2, S. 49-64, [Conference or Workshop Item]

Stoffel, B. and Ludwig, G. (1990):
The influence of the gap flow at the impeller inlet on cavitation and part load recirculation in a centrifugal pump.
In: 3rd International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC 3), Honolulu 1990, Sess. Transport 9: Multiphase Flow and Cavitation, [Conference or Workshop Item]

Stoffel, B. and Stachnik, P. (1990):
Experimental analysis of the part load recirculations at inlet and outlet of a centrifugal pump impeller.
In: Interfluid, Essen (1990), Session 3(Unter gleichem Titel auch veröffentlicht in: Pumpen, 2. Ausg. 1992, Vulkan-Verlag Essen, S. 37-40), [Conference or Workshop Item]

1989

Huong, Y. and Schöneberger, W. and Stoffel, B. (1989):
Longitudinal flow characteristics of the thin concentric and excentric annular gaps.
In: 2. Intern. Conf. of Fluid Power Transmissions and Control, Hangzhou, 1989, p. 222-228, [Conference or Workshop Item]

Stoffel, B. (1989):
Experimentelle Untersuchungen zur räumlichen und zeitlichen Struktur der Teillast-Rezirkulationen bei Kreiselpumpen.
In: Forschung im Ingenieurwesen, (55), 198. pp. 149-152, [Article]

1988

Ludwig, G. and Stoffel, B. (1988):
Untersuchungen zur Kavitation am saugseitigen Dichtspalt von Kreiselpumpen.
In: Pumpentagung Karlsruhe 1988, Sektion B7, [Conference or Workshop Item]

Stoffel, B. (1988):
Gemeinschaftsforschung im Bereich der deutschen Pumpenindustrie.
In: Pumpen und Ihre Anwendungen, [Article]

Stoffel, B. and Barton, V. (1988):
Contribution to the prediction of pressure pulsations in piping systems excited by rotodynamic pumps.
In: Conference on Hydraulic Machinery, Turboinstitut Ljubljana 1988, p. 481-489, [Conference or Workshop Item]

Stoffel, B. and Hergt, P. (1988):
Zur Problematik der spezifischen Saugzahl als Beurteilungsmastab für die Betriebssicherheit einer Kreiselpumpe.
In: Preprints Pumpentagung Karlsruhe 1988, Sektion B8 (Unter gleichem Titel auch veröffentlicht in: Pumpen, 2. Ausg. 1992, Vulkan-Verlag Essen, S. 77-81), [Conference or Workshop Item]

Stoffel, B. and Kiesbauer, J. and Wagner, K. (1988):
Experimental investigation of blade cavitation influenced by the upstream injection of a gap flow.
In: IAHR-Symposium Trondheim 1988, paper J., [Conference or Workshop Item]

1987

Stoffel, B. and Ludwig, G. (1987):
Experimental investigation of the cavitation in a jet discharging into a uniform cross-flow.
In: 8th Conference on Fluid Machinery, Budapest 1987, S. 802-809, [Conference or Workshop Item]

1986

Stoffel, B. (1986):
Kreiselpumpen bewährte und neuartige Lösungen entsprechen vielfältigen Anforderungen.
In: Pumpen, Vakuumpumpen, Kompressoren : Sonderheft, [Article]

This list was generated on Mon Aug 3 03:36:40 2020 CEST.