Dr.-Ing. Gerhard Ludwig

Akademischer Direktor

Kontakt

work +49 6151 16-27102
fax +49 6151 16-27111

Work L1|01 462
Otto-Berndt-Straße 2
64287 Darmstadt

Links

Springe zu: 2018 | 2017 | 2016 | 2014 | 2013 | 2012 | 2011 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1997 | 1996 | 1992 | 1991 | 1990 | 1988 | 1987
Anzahl der Einträge: 53.

2018

Ludwig, G. ; Taubert, Paul ; Pelz, P. F. (2018):
The Role of Universities Within the Qualification and Verification Process of EuP Requirements for Turbomachines using the Example of Rotodynamics Pumps.
In: FAN2018 - Proceedings of the International Conference on Fan Noise, Aerodynamics, Applications and Systems - Darmstadt 2018, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_180418_T...],
[Artikel]

Groß, T. F. ; Terwort, A. ; Ludwig, G. ; Pelz, P. F. (2018):
The Role of Diffusion-Driven Nucleation in Hydrodynamic Cavitation.
In: Proceedings of the 10th International Symposium on Cavitation (CAV2018), ASME, DOI: 10.1115/1.861851_ch197,
[Online-Edition: http://ebooks.asmedigitalcollection.asme.org/content.aspx?bo...],
[Artikel]

2017

Groß, T. F. ; Bauer, J. ; Ludwig, G. ; Fernandez Rivas, D. ; Pelz, P. F. (2017):
Bubble nucleation from micro-crevices in a shear flow.
In: Experiments in Fluids, Springer, S. 1-10, 59, ISSN 0723-4864,
[Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/article_2017_B...],
[Artikel]

2016

Budde, Ibrahim ; Vnucec, Domagoj ; Kiesbauer, J. ; Ludwig, G. ; Pelz, P. F. (2016):
Strömungsinduzierte Schwingungen in Regelarmaturen.
In: Industriearmaturen, Ausgabe 3|2016, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/IA_03_2016_S64...],
[Artikel]

Schänzle, Christian ; Ludwig, G. ; Pelz, P. F. (2016):
ERP Positive Displacement Pumps – Physically Based Approach Towards an Application-Related Efficiency Guideline.
In: 3rd International Rotating Equipment Conference (IREC) Pumps, Compressors and Vacuum Technology 2016, Duesseldorf, Germany, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_160607_I...],
[Artikel]

Corneli, T. ; Pelz, P. F. ; Ludwig, G. (2016):
Influence of Temperature and Shear Rate on the Slip Length in the Hydrodynamic Lubrication for a Polyalphaolefin.
In: In: 19th International Sealing Conference, 12.10. - 13.10. 2016, Stuttgart, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_161017_S...],
[Artikel]

Groß, T. F. ; Ludwig, G. ; Pelz, P. F. (2016):
Influence of Surface Roughness on Cavitation in a Centrifugal Pump.
In: 3rd International Rotating Equipment Conference (IREC) Pumps, Compressors and Vacuum Technology 2016, Duesseldorf, Germany, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_160412_I...],
[Artikel]

Budde, Ibrahim ; Ludwig, G. ; Pelz, P. F. (2016):
Numerical Prediction and Validation of Suspension Flows and its Erosive Effect.
In: 3rd International Rotating Equipment Conference (IREC) Pumps, Compressors and Vacuum Technology 2016, Duesseldorf, Germany, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_160621_N...],
[Artikel]

Taubert, Paul ; Stoffel, Bernd ; Ludwig, G. ; 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, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/report_160615_...],
[Artikel]

Groß, T. F. ; Ludwig, G. ; Pelz, P. F. (2016):
Experimental and theoretical investigation of nucleation from wall-bounded nuclei in a laminar flow.
In: 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, [Online-Edition: http://isromac-isimet.univ-lille1.fr/upload_dir/finalpaper/1...],
[Artikel]

Corneli, T. ; Ludwig, G. ; Pelz, P. F. (2016):
Slip length of the tribo system steel-polyalphaolefin-steel determined by a novel tribometer.
In: 10th International Fluid Power Conference, Dresden, Germany, S. 479-491, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/minute_160309_...],
[Artikel]

Groß, T. F. ; Ludwig, G. ; Pelz, P. F. (2016):
Experimental evidence of nucleation from wall-bounded nuclei in a laminar flow.
In: Proceedings of 9th International Symposium on Cavitation (CAV2015)), Journal of Physics: Conference Series,, Volume 656, conference 1, [Online-Edition: http://iopscience.iop.org/article/10.1088/1742-6596/656/1/01...],
[Artikel]

2014

Corneli, T. ; Pelz, P. F. ; Ludwig, G. (2014):
Slip length in narrow sealing gaps – an experimental approach.
In: 18th International Sealing Conference, Stuttgart, 08.10. - 09.10. 2014, [Online-Edition: http:wl.fst.tu-darmstadt.de/wl/publications/paper_141022_Sli...],
[Konferenzveröffentlichung]

Pelz, P. F. ; Keil, T. ; Ludwig, G. (2014):
On the Kinematics of Sheet and Cloud Cavitation and Related Erosion.
In: Advanced Experimental and Numerical Techniques for Cavitation Erosion Prediction, Springer, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_140331_O...],
[Buchkapitel]

Pelz, P. F. ; Lorenz, U. ; Ludwig, G. (2014):
Besser geht's nicht. TOR plant das energetisch optimale Fluidsystem.
In: chemie & more, succidia AG, (1/2014), [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/article_140101...],
[Artikel]

2013

Lang, S. ; Ludwig, G. ; Pelz, P. F. ; 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...],
[Artikel]

Müller, L. ; Helduser, S. ; Weber, J. ; Schümichen, M. ; Rüdiger, F. ; Fröhlich, J. ; Groß, T. F. ; Ludwig, G. ; Pelz, P. F. (2013):
Messverfahren und numerische Modellierung von Kavitation in einem ölhydraulischen Ventil.
In: O+P Ölhydraulik und Pneumatik, ISSN 0341-2660,
[Artikel]

Pelz, P. F. ; Ludwig, G. (2013):
Der Wirkungsgrad von Verdrängermaschinen.
In: Delta p, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_130514_W...],
[Artikel]

2012

Pelz, P. F. ; Lorenz, U. ; Ederer, T. ; Lang, S. ; Ludwig, G. (2012):
Designing Pump Systems by Discrete Mathematical Topology Optimization: The Artificial Fluid Systems Designer (AFSD).
In: International Rotating Equipment Conference, [Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_120417_A...],
[Artikel]

2011

Keil, T. ; Pelz, P. F. ; Cordes, U. ; Ludwig, G. (2011):
Cloud Cavitation and Cavitation Erosion in Convergent Divergent Nozzle.
In: WIMRC 3rd International Cavitation Forum 2011, [Online-Edition: http://www.fst.tu-darmstadt.de/media/fachgebiet_fst/dokument...],
[Artikel]

Keil, T. ; Pelz, P. F. ; Ludwig, G. (2011):
Cloud Cavitation and Cavitation Erosion.
In: Advanced experimental and numerical techniques for cavitation, [Artikel]

2009

Hamadeh, N. ; Pelz, P. F. ; Stoffel, B. ; 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...],
[Artikel]

2008

Janjic, B. ; Binder, A. ; Bischof, V. ; Ludwig, G. (2008):
Entwurf und Bau eines magnetgelagerten integrierten Pumpenantriebs.
In: VDE/VDI-Tagung Elektrische-mechanische Antriebssysteme, [Online-Edition: http://www.fst.tu-darmstadt.de/media/fachgebiet_fst/dokument...],
[Artikel]

2007

Janjic, B. ; Binder, A. ; Bischof, V. ; Ludwig, G. (2007):
Design of PM integrated motordrive systems for axial pumps.
In: Proceedings of the 12th European Conference on Power Electronics and Applications, 2007, 2-5 September, Aalborg, denmark, 10 Seiten (CD-ROM), [Report]

2006

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

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

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

2005

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

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

2004

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

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

2003

Bachert, Bernd ; Ludwig, G. ; Stoffel, Bernd ; Sirok, B. ; 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]

Brunn, Bernhard ; Ludwig, G. ; Stoffel, Bernd (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]

Frobenius, M. ; Schilling, R. ; Bachert, Rudolf ; Stoffel, Bernd ; 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 ; Ludwig, G. ; Stoffel, Bernd ; Frobenius, M. ; 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]

2002

Dular, M. ; Sirok, B. ; Novak, M. ; Hocevar, M. ; Stoffel, B. ; 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), [Artikel]

Ludwig, G. ; Lohrberg, H. ; 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, [Artikel]

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

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

2001

Tamm, Alberto ; Ludwig, G. ; Stoffel, Bernd (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, [Konferenzveröffentlichung]

2000

Münch, A. ; Ludwig, G. ; 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, [Konferenzveröffentlichung]

Tamm, A. ; Braten, O. ; Stoffel, B. ; 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, [Konferenzveröffentlichung]

1999

Hofmann, M. ; Lohrberg, H. ; Ludwig, G. ; Stoffel, B. ; Reboud, J.-L. ; 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, [Konferenzveröffentlichung]

Lohrberg, H. ; Hofmann, M. ; Ludwig, G. ; 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, [Konferenzveröffentlichung]

Striedinger, R. ; Awad, Ibrahim ; Ludwig, G. ; 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, [Konferenzveröffentlichung]

1997

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

1996

Jäger, R. ; Lauer, J. ; Ludwig, G. ; Stoffel, B. (1996):
Experimentelle und theoretische Untersuchungen zur Strömung in K/&quot;hlmittelpumpen von Verbrennungsmotoren.
In: Motortechnische Zeitschrift, 57.Jah, [Artikel]

1992

Stoffel, B. ; Ludwig, G. ; 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, [Konferenzveröffentlichung]

1991

Ludwig, G. ; 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, [Konferenzveröffentlichung]

1990

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

Stoffel, B. ; 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, [Konferenzveröffentlichung]

1988

Ludwig, G. ; Stoffel, B. (1988):
Untersuchungen zur Kavitation am saugseitigen Dichtspalt von Kreiselpumpen.
In: Pumpentagung Karlsruhe 1988, Sektion B7, [Konferenzveröffentlichung]

1987

Stoffel, B. ; 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, [Konferenzveröffentlichung]

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