Publications
Shevchuk, I.V.; Jenkins, S.C..; Weigand, B.; von Wolfersdorf, J.; Neumann, S.O.; Schnieder, M.:
Validation and Analysis of Numerical Results for a Varying Aspect Ratio Two-Pass Internal Cooling Channel,
ASME Journal of Heat Transfer, vol. 133 (2011), Issue 5, 051701 -051709, 2011Schüler, M.; Zehnder, F.; Weigand, B.; von Wolfersdorf, J.; Neumann, S.O.; Schnieder, M.:
The Effect of Side Wall Mass Extraction on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel,
ASME J. of Turbomachinery, vol. 133 (2011), 021002-1 - 021002-11, 2011Zehnder; F.; Schüler, M.; Weigand, B.; von Wolfersdorf, J.; Neumann, S.O.; Schnieder, M.:
The Effect of Turning Vanes on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel,
ASME J. of Turbomachinery, vol. 133 (2011), 021017-1 - 021017-10, 2011M. Henze, J. von Wolfersdorf, B. Weigand, C.F. Dietz, S.O. Neumann:
Flow and heat transfer characteristics behind vortex generators – A benchmark dataset,
International Journal of Heat and Fluid Flow, Vol. 32 (2011), pp. 318-328, 2011M. Schüler, H.-M. Dreher, M. Elfert, S. O. Neumann, B. Weigand:
Numerical Predictions of the Effect of Rotation on Fluid Flow and Heat Transfer in an Engine-Similar Two-Pass Internal Cooling Channel With Smooth and Ribbed Walls,
ASME Turbo Expo 2010, GT2010-22870, Glasgow, UK, June 14-18, 2010M. Schüler, S. O. Neumann and B. Weigand:
Numerical Investigations of Pressure Loss and Heat Transfer in a 180° Bend of a Ribbed Two-Pass Internal Cooling Channel with Engine-Similar Cross-Sections,
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Vol. 224, No. 3, pp. 349-361, 2010M. Schüler, H.M. Dreher, M. Elfert, S.O. Neumann, B. Weigand:
Numerical predictions of fluid flow and heat transfer in a rotating engine-similar two-pass internal cooling channel with smooth and ribbed walls,
13th Int. Symp. On Transport Phenomena and Dynamics of Rot. Machinery, Honolulu, Hawaii, ISROMAC13-2010-20104, 2010N. Uddin, S.O. Neumann, P. Lammers, B. Weigand:
Thermal & flow field analysis of turbulent swirling jet impingement using large eddy simulation,
High Performance Computing in Science and Engineering 08 (eds.: W.E. Nagel, D.B. Kröner, M.M. Resch), Springer, 2009C.F. Dietz, M. Henze, S.O. Neumann, J. von Wolfersdorf, B. Weigand:
The effect of vortex structures on heat transfer and flow field behind arrays of vortex generators,
Journal of Enhanced Heat Transfer, Vol. 16, S. 171-188, 2009N. Uddin, S.O. Neumann, B. Weigand, B. Younis:
Large-eddy simulations and heat-flux modelling in a turbulent impinging jet,
Numerical Heat Transfer, Part A, S. 906-930, 2009N. Uddin, S.O. Neumann, B. Weigand:
of jet’s inlet temperature field excitation on heat transfer by turbulent impinging jet: An investigation based on Large Eddy Simulations,
Turbulence, Heat and Mass Transfer, Vol. 6, (eds. Hanjalic, Nagano, Jakirlic), Bergell House, pp. 501-509, 2009M. Schüler, S. O. Neumann and B. Weigand:
Experimental Investigations of Pressure Loss and Heat Transfer in a 180° Bend of a Ribbed Two-Pass Internal Cooling Channel with Engine-Similar Cross-Sections,
Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Vol. 223, No. 6, pp. 709-719, 2009S. Zehner, H. Steinbrück, B. Weigand & S.O. Neumann:
THE ICE FORMATION METHOD: A NATURAL APPROACH TO OPTIMISE TURBOMACHINERY COMPONENTS,
International Journal of Design & Nature and Ecodynamics, Vol. 3, No. 4, pp. 259-272, 2009F. Zehnder, M. Schüler, B. Weigand, J. von Wolfersdorf, S. O. Neumann:
The Effect of Turning Vanes on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel,
ASME Turbo Expo 2009, GT2009-59482, Orlando, FL, USA, June 8-12, 2009, 2009M. Schüler, F. Zehnder, B. Weigand, J. von Wolfersdorf, S. O. Neumann:
The Effect of Side Wall Mass Extraction on Pressure Loss and Heat Transfer of a Ribbed Rectangular Two-Pass Internal Cooling Channel,
ASME Turbo Expo 2009, GT2009-59481, Orlando, FL, USA, June 8-12, 2009, 2009M. Schüler, S. O. Neumann, B. Weigand:
Pressure Loss and Heat Transfer in a 180 Deg Bend of a Ribbed Two-Pass Internal Cooling Channel with Engine-Similar Cross Sections, Part 2: Numerical Investigations,
8th European Conference on Turbomachinery, Fluid Dynamics and Thermodynamics, ETC8-116, Graz, Austria, March 23-27, 2009, 2009M. Schüler, S. O. Neumann, B. Weigand:
Pressure Loss and Heat Transfer in a 180 Deg Bend of a Ribbed Two-Pass Internal Cooling Channel with Engine-Similar Cross Sections, Part 1: Experimental Investigations,
8th European Conference on Turbomachinery, Fluid Dynamics and Thermodynamics, ETC8-115, Graz, Austria, March 23-27, 2009, 2009Shevchuk, I.V., Jenkins, S.C., Weigand, B., von Wolfersdorf, J., Neumann, S.O., and Schnieder, M.:
Validation and Analysis of Numerical Results for a Varying Aspect Ratio Two-Pass Internal Cooling Channel,
Proceedings of the 2008 ASME Turbo Expo, Vol. 4, Pts. A and B, pp. 1085-1094., June 9-13, 2008, Berlin, Germany, 2008H. Steinbrück, S. Zehner, B. Weigand, S.O. Neumann:
Combination of Natural and Numerical Optimization Methods at the Example of an Internal Gas Turbine Cooling Channel,
Parallel Problem Solving in Nature - PPSN X proceedings, Springer, Lecture Notes in Computer Science, Dortmund, Germany, September 13-17, 2008N. Uddin, S. O. Neumann, B. A. Younis, B. Weigand:
Strömungs- und passive Skalarflussvorgänge in komplexen turbulenten Prallströmungen,
Number 1029 ProcessNet-Fachausschuss Wärme- u.Stoffübertragung, 2008Naseem Uddin, Sven Olaf Neumann, Bernhard Weigand:
The effect of inlet velocity field excitation of turbulent impinging jet on heat transfer using large eddy simulation,
International Conference on Jets, Wakes and Separated Flows, September 16-19, Technical University of Berlin, Berlin, Germany, 2008Naseem Uddin, Sven Olaf Neumann, Bernhard Weigand:
Large Eddy Simulation of the heat transfer due to swirling & non-swirling jet impingement,
Proceedings of ASME Summer Heat Transfer Conference, HT2008-56422, August 10-14, Jacksonville, Florida, USA, 2008M. Schüler, S.O. Neumann, B. Weigand:
Experimental and Numerical Investigation of Pressure Loss And Heat Transfer in a 180 Deg Bend of a Ribbed Multi-Pass Cooling Channel With Engine-Near Cross Section,
ISROMAC12, The 12th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Paper-No. 20096, Honolulu, Hawaii, February 17-22, 2008H. Steinbrück, S. Zehner, B. Weigand, S.O. Neumann, J. Gier:
Optimization of the Web Geometry of a 180-Degree Bend Using an Experimentally Determined Ice Layer as Starting Contour: Part 2 - Numerical Simulation and Optimization,
ISROMAC12, The 12th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery; Paper-No. 20053, Honolulu, Hawaii, February 17-22, 2008S. Zehner, H. Steinbrück, B. Weigand, S.O. Neumann, J. Gier:
Optimization of the Web Geometry of a 180-Degree Bend Using an Experimentally Determined Ice Layer as Starting Contour: Part 1 - Experimental Results,
ISROMAC12, The 12th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery; Paper-No. 20049, Honolulu, Hawaii, February 17-22, 2008B. Younis, S. Spring, S.O. Neumann, B. Weigand:
Simulation of flow in an exact replica of a diseased human carotid artery,
Appl. Mathematical Modelling, 31(11), pp. 2599-2609, November, 2007C. Dietz, S.O. Neumann, B. Weigand:
A comparative study of the performance of explicit algebraic models for the turbulent heat flux,
Accepted for publication in the Numerical Heat Transfer, Part A: Applications, 2007H. Kissel, B. Weigand, J. von Wolfersdorf, S.O. Neumann, A. Ungewickell:
An experimental and numerical investigation of the effect of cooling channel crossflow on film cooling performance,
Proc. Of GT2007, GT2007-27102, Montreal, Canada, 2007M. Henze, C. Dietz, S.O. Neumann, J. von Wolfersdorf, B. Weigand:
Heat transfer in complex internal flows - wedge-shaped generators,
Sixth Int. Conf. on enhanced, compact and ultra-compact heat exchangers: Sci., Engng. And Techn., Berlin, 2007C. Dietz, M. Henze, S.O. Neumann, J. von Wolfersdorf, B. Weigand:
Flow and heat transfer investigations behind vortex inducing elements as benchmark for complex turbulence models,
Sixth Int. Conf. on enhanced, compact and ultra-compact heat exchangers: Sci., Engng. And Techn., Berlin, 2007C.F. Dietz, M. Henze, S.O. Neumann, J. von Wolfersdorf, B. Weigand:
The effects of vortex generator arrays on heat transfer and flow field,
High Performace Computing in Science and Engng. 2006, (eds. W. Nagel, W. Jäger, M. Resch), Springer, ISBN 10 3-540-36165-0, pp. 365-380, 2006Zehner, S.; Steinbrück, H.; Weigand, B.; Neumann, S.O.:
Optimization of a 180 Degree Bend for Internal Turbine Blade Cooling by Using the Iceformation Method: First Results,
Proceedings of ASME IMECE2006, November 5-10, 2006, IMECE2006-14455, Chicago, Illinois, USA, 2006Dietz, C. F.; Henze, M.; Neumann, S. O.; von Wolfersdorf, J.; Weigand B.:
The Effects of Vortex Structures on Heat Transfer and Flow Field Behind Multielement Arrays of Vortex Generators,
13th International Heat Transfer Conference 2006, August 13-18, Sydney, NSW, Australia, 2006B.A. Younis, S. Spring, S.O. Neumann, B. Weigand:
Simulation of flow in an exact replica of a diseased human carotid artery,
Summer Bioengineering Conference, 2005S. Schubert, S.O. Neumann, B. Weigand:
Investigation of the possibility of heat transfer enhancement by use of different rib geometries,
Proc. of the 17th ISABE, München, 2005C. Dietz, M. Henze, S.O. Neumann, J. von Wolfersdorf, B. Weigand:
Numerical and experimental investigation of heat transfer and fluid flow around a vortex generator using explicit algebraic models for the turbulent heat flux,
Proc. of the 17th ISABE, München, 2005Dietz, C.; Henze, M.; Neumann, S. O.; von Wolfersdorf, J.; Weigand, B.:
Numerical and Experimental Investigation of Heat Transfer Enhancement from Vortex Generators using Anisotropic Turbulent Heat Flux Models,
ISABE 2005-1197, 2005Neumann, S.O.; von Wolfersdorf, J.; Weigand, B.:
A Numerical Study of Entropy Production Rates in a Film Cooling Configuration,
GAMM 2005, Luxemburg, 2005Weigand, B.; von Wolfersdorf, J.; Neumann, S.O.:
Entwicklungsstand der Kühlungstechnologien für hocheffiziente Gasturbinen,
VGB Fachtagung "Gasturbinen und Gasturbinenbetrieb 2005", Dresden, 2005Weigand, B.; von Wolfersdorf, J.; Neumann, S.O.:
Intensivierung des internen Wärmeübergangs in modernen Gasturbinenschaufeln,
VDI-GVC Fachtagung, Jena, 2005M. Henze, C. Dietz, S.O. Neumann, J. von Wolfersdorf,B. Weigand:
Heat transfer Enhancement from single vortex generators,
Proceedings of GT2005 ASME Turbo Expo 2005, June 6-9, Reno-Tahoe, Nevada, USA, 2005B. Weigand, J. von Wolfersdorf, S.O. Neumann:
Entwicklungsstand der Kühlungstechnologien für Gasturbinenschaufeln moderner, hocheffizienter Industriegasturbinen,
2005S. Schubert, S.O. Neumann, B. Weigand:
Heat transfer characteristics in a rib roughened two-pass cooling channel with engine near cross-sections: an experimental and numerical study,
Angenommen für: Tenth International Symposium on Rotating Machinery, 7. - 11. März 2004, Honolulu, Hawaii, USA, 2004S. Schubert, S.O. Neumann, M. Jarius, M. Elfert, B. Weigand:
Investigation of flow phenomena and heat transfer performance of a ribbed two-pass cooling channel with turÂbine typical cross sections,
Sixteenth International Symposium on AirÂbreathing Engines, 31. August - 5. September 2003, Cleveland, Ohio, USA, 2003B.Weigand, J. von Wolfersdorf, S.O.Neumann:
Internal cooling for industrial gas turbines: Present state and novel approaches,
Invited paper, 5th ISAIF; Erschienen in: P. Doerffer, Internal Flows, Vol. 1,S.67-78, IFFM Publishers, ISBN 83-88237-35-7, Gdansk, Poland, 2001B. Weigand, J. Braun, S.O. Neumann, K.J. Rinck:
Freezing in forced convection flows inside ducts: A review,
Heat and Mass Transfer, Vol. 32, S. 341 - 351, 1997B. Weigand, S.O. Neumann, T. Strohmayer, H. Beer:
Combined free and forced convection flow in a cooled vertical duct with internal solidification,
Heat and Mass Transfer, Vol. 30 (1995), S. 349 - 359, 1995