Research & Articles
All articles written by Brenda Kulfan. Articles are organized into categories which can be selected from the list below and can be downloaded by clicking on the article name.
- AERODYNAMIC TECHNOLOGY ASSESSMENTS, PROJECTIONS AND NEEDS
- Kirchner, M. E., and Kulfan, R. M., "Aerodynamic Expectations Through the Year 2000", AIAA-80-0894, May 1980, (Abstract, PDF)
- Kulfan, R. M., "High Speed Civil Transport Opportunities, Challenges and Technology Needs", Transactions of the Aeronautical and Astronautical Society of the Republic of China - 1993 , vol 25, No 1, pages 1-20, (Abstract, PDF)
- Kulfan, R.M., "Projecting and tracking Advanced Technology Improvements in L/D", First NASA / Industry High-Speed Research Configuration Aerodynamics Workshop, NASA-CDCP-1002, Part 2, pages 781-844, Feb 1996, (Abstract, PDF, PPT)
- Kulfan, R. M., "Configuration Aerodynamics Metric Update" NASA / Industry High-Speed Research Aerodynamics Performance Workshop, Feb 1997, (Abstract, PDF, PPT)
- Kulfan, B. M., "Revolutionary and Evolutionary Aspects of "Breakthrough" Supersonic Technologies", Presentation to National Research Council Committee on Breakthrough Technology for Commercial Supersonic Aircraft, January 2001, (Abstract, PDF, PPT)
- AEROELASTIC LOADS PREDICTION
- Manro, M. E., Bobbitt, P. J. and Kulfan, R. M., " The Prediction of Pressure Distributions on an Arrow-Wing Configuration Including the Effect of Camber, Twist, and a Wing Fin", NASA Conference Publication 2108, Supersonic Cruise Research 1979, part 1, Nov 1979, (Abstract, PDF)
- Wery, A. C. and Kulfan, R. M., "Aeroelastic Loads Prediction for an Arrow Wing - Task II Evaluation of Semi-Empirical Methods" NASA CR-3641, March 1983, (Abstract, PDF)
- AIRPLANE SYSTEMS STUDIES
- Kulfan, R. M. and Howard, W. M., "Application of Advanced Aerodynamic Concepts to Large Subsonic Transport Airplanes", Technical Report AFFDL-TR-75-112, Nov 1975
- Kulfan, R. M. and Vachael, J. D., "Wing Planform Geometry Effects on Large Subsonic Military Airplanes", AFFDL-TR-78-16, February 1978
- Jobe, C. E., Kulfan, R. M. and Vachael, J. D., "Wing Planforms for Large Military Transports", AIAA Paper 78-1470, Aug 1978
- Jobe, C. E., Kulfan, R. M. and Vachael, J. D., "Wing Planforms for Large Military Transports", Journal of Aircraft, Aol. 16, No 7, Jul 1979, pages 425 - 432
- BAC Preliminary Design Department, (Kulfan, R.M., Principal Investigator, study Leader and author), "Assessment of Variable Camber for Application to Transport Aircraft", NASA Contractor Report 158930, Nov. 1980
- CFD VALIDATION STUDIES
- Kulfan, B. M., "Assessment of CFD Predictions of Viscous Drag", AIAA Paper 2000-2391, June 21, 2000
- Kulfan, B.M., Bussoletti, J.E. and Hilmes, C.L., "Aerodynamic Characteristics of Bodies of Revolution at Near-Sonic Speeds", JOA. Vol. 44, No. 6, Nov. - Dec. 2007, pp 1815-1841
- Kulfan, B.M., "CFD Validation Using Data From A Classic Experimental Test Program for a Highly Contoured Body of Revolution Having Regions of Convergent /Divergent Flows With Adverse/Favorable Pressure Gradients." AIAA-2011-1235 , Jan. 2011.
- GEOMETRY TRANSFORMATIONS
- Kulfan, B. M. and Bussoletti J. E., "Fundamental" Parametric Geometry Representations for Aircraft Component Shapes", AIAA--2006-6948, Sept. 2006
- Kulfan, B. M., "A Universal Parametric Geometry Representation Method - "CST"", AIAA--2007-0062, Jan. 2007
- Kulfan, B.M., ""CST" Universal Parametric Geometry Representation Method With Applications to Supersonic Aircraft", Fourth International Conference on Flow Dynamics, Sendai, Japan, Sept. 26-28, 2007
- Kulfan, B.M., "Recent Extensions and Applications of the "CST"" Universal Parametric Geometry Representation Method", AIAA--2007-7709, Sept. 18-20, 2007
- Kulfan, B.M., "The "CST" Universal Parametric Geometry Representation Method, Recent Extensions and Applications", RAeS Conference on Aerodynamic Drag Prediction and Reduction Capabilities and Future Requirements", Oct. 2007
- Kulfan, B.M., "Universal Parametric Geometry Representation Method", Journal of Aircraft 2008, vol.45 no.1 pp 142-158.
- Kulfan, B.M., "Recent Extensions and Applications of the 'CST' Universal Parametric Geometry Representation Method", RAeS Journal, Mar. 2010, pp 157-176
- Kulfan, B.M. "Modification of CST Airfoil Representation Methodology", Unpublished Note
- Kulfan, B.M., "Response to "Note on Parameterization of Airfoils" by D.P. Young.”, to be published
- HYPERSONIC AERODYNAMICS
- Kulfan, B. M.; "Aerodynamic Heating and Heat Conduction During Re-Entry", Unpublished Notes Developed in 1960 and Compiled in 2003
- Kulfan, R. M., "Application of Hypersonic Favorable Aerodynamic Interference Concepts to Supersonic Aircraft", AIAA Paper 78-1458, August 1978
- Kulfan, R. M., "Utilization of Hypersonic Aerodynamic Concepts in Supersonic Airplane Design", NASA 1st International Hypersonic Waverider Symposium, Oct 1990
- LAMINAR FLOW CONTROL
- Kulfan, R. M. and Vachael, J. D., "Application Of Laminar Flow Control To large Subsonic Military Transport Airplanes", Technical Report AFFDL-TR-77-65, July 1977
- Jobe, C. E., Kulfan, R. M. and Vachael, J. D., "Application Of Laminar Flow Control To large Subsonic Military Transport Airplanes", AIAA Paper 78-95, Jan 1978
- Jobe, C. E., Kulfan, R. M. and Vachael, J. D., "Application Of Laminar Flow Control To large Subsonic Military Transport Airplanes", Journal of Aircraft, Vol.16, No 3, Mar 1979, pages 170-176
- LEADING EDGE VORTEX FLOW
- Kulfan, R. M., "Wing Airfoil Shape Effects on the Development of Leading Edge Vortices" AIAA Paper 79-1675, Aug 1979
- Kulfan, R. M., "Wing Geometry Effects on Leading Edge Vortices" AIAA Paper 79-1872, August 01, 1979
- Kulfan, B.M., "Reynolds Number Effects on Leading Edge Vortices", Taken From AIAA-2002-2839 Paper, "Reynolds Numbers Considerations for Supersonic Flight", 24 - 26 June 2002
- MATHEMATICAL NOTES
- Kulfan, R. M. , "Notes on the Calculus of Variations" Written 1960, compiled 2008
- PALEOAERODYNAMICS AND BIOMIMETICS
- Kulfan, B.M., "Dr. John McMasters: Following the Foot Steps of a Creative Paleoaerodynamicist" AIAA-2009-0869, Jan. 2009
- Kulfan, B.M. "Inspirations, Adaprations, Technical Innovations and Design Similarties, Provided by Observations of Nature's Creations and Evolutionarys Development Processes", International Workshop Smart Materials, Structures & NDT in Aerospace Conference, 2-4, Montreal, Quebec, Canada, Nov. 2011
- Kulfan, B.M., "A Paleoaerodynamic Exploration of the Evolution of Natures Flyers and Man's Aircraft and Options for Future Technology Innovations.", Invited Plenery Paper, 16th annual SPIE Smart Structures and Materials/NDE, March 2009
- Kulfan, B.M., "Paleoaerodynamic Exploration of the Evolution of Natures Flyers and Man's Aircraft and Options for Future Technology Innovations" Plenery Paper, Proc. of SPIE Vol. 7288 728803 pp 1-59
- Kulfan, B. M., "Paleoaerodynamic Explorations Part 1: Evolution of Biological and Technical Flight." AIAA-2010-0154 , January 4, 2010
- Kulfan, B.M., "Paleoaerodynamic Explorations - Part 2: Options for Future Technology Innovations", AIAA-2010-0155, January 4, 2010
- PROPULSION / AIRFRAME AERODYNAMIC INTERFERENCE
- Kulfan, R. M., "Prediction of Nacelle Aerodynamic Interference Effects at Low Supersonic Mach Numbers", 1979 NASA Cruise Research Conference, NASA CP-2108, Paper No 7, Nov 1979
- Kulfan, R.M., and Blissell, W.A., "Analysis of Nacelle Transonic Interference Test Data", Section 4.0 of Advanced Concept Studies for Supersonic Vehicles", NASA CR-159244, May 1980
- Kulfan, R. M., and Sigalla, A. S., "Airframe-Propulsion System Aerodynamic Predictions at High Transonic Mach Numbers Including Off-Design Engine Airflow Effects", AGARD Conference Proceedings No 301, Aerodynamics of Power Plant Installations", Paper No 35, May 1981
- Chaney, S. and Kulfan, R. M., "HSCT Engine-Inlet Boundary Layer Diverter Analysis" First NASA / Industry High Speed Research Propulsion / Airframe Integration Workshop Pages, pages 431 - 474, Oct 26, 1993
- SKIN FRICTION AND VISCOUS DRAG
- Kulfan, R.M., Et al, "Viscous Drag Predictions", HSR II, Configurations WBS 4.3.1.1, Sep 1998
- Kulfan, R. M.., "Historic Background on Flat Plate Turbulent Flow Skin Friction and Boundary Layer Growth.", 1998 NASA High-Speed Research Program Aerodynamic Performance Workshop, Vol. 1, Part 1 Page: 477-513, Dec 01, 1999, NASA/CP-1999-209692/Vol. 1/Pt. 1
- Kulfan, R. M., "Assessment of CFD Predictions of Flat Plate Skin Friction", 1999 NASA High- Speed Research Program Aerodynamic Performance Workshop, , NASA/CP-1999-209704/Vol. 1 Part 1, Pages 253-300, Dec 01, 1999
- Kulfan, B. M., "Assessment of CFD Predictions of Viscous Drag", AIAA Paper2000-2391, June 21, 2000
- SUPERSONIC AERODYNAMIC STUDIES
- Kulfan, R. M., "Application of Supersonic Favorable Aerodynamic to Fighter Type Aircraft", AFFDL-TR-78-33, April 1978
- Kulfan, R.M., "Application of Favorable Aerodynamic Interference to Supersonic Aerodynamic Design", SAE Paper 901988, Oct 10, 1990, (Abstract)
- Kulfan, B.M., "A New Supersonic Wing Far-Field Composite Element Wave Drag Optimization Method, "FCE", AIAA-2008-0132, Jan.2008
- Kulfan, B.M., "New Supersonic Wing Far-Field Composite-Element Wave-Drag Optimization Method", Journal of Aircraft, Vol. 46, No. 5, Sept.- Oct. 2009, pp 1740-1758
- SUPERSONIC FLOW PHYSICS
- Kulfan, R.M., "Real Flow Limitations in Supersonic Aerodynamic Design", AIAA Paper 78-147, Jan 01, 197
- Kulfan, R.M., "Real Flow Limitations in Supersonic Aerodynamic Design", Journal of Aircraft, Vol 16, No 10, pages 645-658, Oct 1979
- Kulfan, B. M. "Reynolds Numbers Considerations for Supersonic Flight", AIAA-2002-2839, June 2002, (Abstract)
- Kulfan, B.M., "Fundamentals of Supersonic Wave Drag", Fourth International Conference on Flow Dynamics, Sendai, Japan, Sept. 26-28, 2007
- TRANSONIC AERODYNAMIC STUDIES
- Kulfan, B.M., Bussoletti, J.E. and Hilmes, C.L., "Pressures and Drag Characteristics of Bodies of Revolution at Near Sonic Speeds Including the Effects of Viscosity and Wind Tunnel Walls", AIAA-2007-0684, Jan 2007
- Kulfan, B.M., Bussoletti, J.E. and Hilmes, C.L., "Aerodynamic Characteristics of Bodies of Revolution at Near-Sonic Speeds", JOA. Vol. 44, No. 6, Nov. - Dec. 2007, pp 1815-1841
- Kulfan, B.M., "Aerodynamic of Sonic Flight", Seminar Notes Presented at Tohoku University, Sept. 2007
- VARIABLE SWEEP OBLIQUE WING STUDIES
- Kulfan, R. M., et al, "High Transonic Speed Transport Aircraft Study, Final Report", NASA CR-114658, 1973
- Kulfan, R. M., "High Transonic Speed Transport Aircraft Study, Summary Report", NASA CR-2465, Sep 1974
- Kulfan, R. M., et al, "Study of the Single-Body Yawed-Wing Aircraft Concept", NASA CR-137483, May 1974
- Lee, C. A., Fletcher, M. J. and Kulfan, R. M., "Nacelle Location Study for an Oblique All-Wing Supersonic Transport", First NASA / Industry High Speed Research Propulsion / Airframe Integration Workshop, pages 591- 626, Oct 26, 1993