Gerhard Ludwig

Dr.-Ing. Gerhard Ludwig

Akademischer Direktor

+49 6151 16-27102
+49 6151 16-27111

Homepage

Otto-Berndt-Straße 2
64287 Darmstadt

Raum: L1|01 462

Publikationen

Gruppiere nach: Datum | Typ des Eintrags | Keine Gruppierung
Springe zu: 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: 51.

2016

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

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

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

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

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

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

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

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

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

2014

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

Pelz, P. F. ; Keil, T. ; Ludwig, G. :
On the Kinematics of Sheet and Cloud Cavitation and Related Erosion.
[Online-Edition: http://wl.fst.tu-darmstadt.de/wl/publications/paper_140331_O...]
In: Advanced Experimental and Numerical Techniques for Cavitation Erosion Prediction. Fluid Mechanics and Its Applications, 106. Springer
[Buchkapitel], (2014)

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

2013

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

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

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

2012

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

2011

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

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

2009

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

2008

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

2007

Janjic, B. ; Binder, A . ; Bischof, V. ; Ludwig, G. :
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], (2007)

2006

Roth, M. ; Stoffel, Bernd ; Ludwig, G. :
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], (2006)

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

Schaad, C. ; Beinert, C. ; Brunn, B. ; Ludwig, G. ; Stoffel, Bernd :
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], (2006)

2005

Bachert, B. ; Ludwig, G. ; Stoffel, Bernd ; Baumgarten, S. :
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], (2005)

Bachert, R. ; Ludwig, G. ; Stoffel, Bernd :
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], (2005)

2004

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

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

2003

Bachert, Bernd ; Ludwig, G. ; Stoffel, Bernd ; Sirok, B. ; Novak, M. :
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], (2003)

Brunn, Bernhard ; Ludwig, G. ; Stoffel, Bernd :
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], (2003)

Frobenius, M. ; Schilling, R. ; Bachert, Rudolf ; Stoffel, Bernd ; Ludwig, G. :
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], (2003)

Bachert, Rudolf ; Ludwig, G. ; Stoffel, Bernd ; Frobenius, M. ; Schilling, R. :
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], (2003)

2002

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

Ludwig, G. ; Lohrberg, H. ; Stoffel, B. :
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], (2002)

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

Sirok, B. ; Dular, M. ; Novak, M. ; Hocevar, M. ; Stoffel, B. ; Ludwig, G. ; Bachert, B. :
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.
[Artikel], (2002)

2001

Tamm, Alberto ; Ludwig, G. ; Stoffel, Bernd :
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 .
[Konferenz- oder Workshop-Beitrag], (2001)

2000

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

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

1999

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

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

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

1997

Böhm, R. ; Stoffel, B. ; Ludwig, G. :
Investigations on the Unsteady Behaviour of Cavitation and the Corresponding Pressure Field.
In: La Houille Blanche, 52 Nr. pp. 84-88.
[Artikel], (1997)

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

1996

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

1992

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

1991

Ludwig, G. ; Stoffel, B. :
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.
[Konferenz- oder Workshop-Beitrag], (1991)

1990

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

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

1988

Ludwig, G. ; Stoffel, B. :
Untersuchungen zur Kavitation am saugseitigen Dichtspalt von Kreiselpumpen.
Pumpentagung Karlsruhe 1988, Sektion B7
[Konferenz- oder Workshop-Beitrag], (1988)

1987

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

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