Publications

Refereed Journal Publications

(* indicates authors who were advisees of Dr. Bramesfeld)

J26  *McQuaid, J., *Kolaei, A., Bramesfeld, G., Walsh, P., “Early Onset Prediction for Rotors in Vortex-Ring State,” Journal of Aerospace Engineering, ASCE, Vol. 33, No. 6, August 2020. doi:10.1061/(ASCE)AS.1943-5525.0001194

J25  *Barcelos, D., *Kolaei, A., and Bramesfeld, G., “Aerodynamic Interactions of Quadrotor Configurations,” Journal of Aircraft, published online, July 2020. doi:10.2514/1.C035614

J24  *Cole, J., *Krebs, T., *Barcelos, D., Braumesfeld, G., “Influence of Propeller Location, Diameter, and Rotation Direction on Aerodynamic Efficiency,” Journal of Aircraft, published online, July 2020. doi: https://doi.org/10.2514/1.C035917

J23  *Melville, M., Bramesfeld, G., *Kolaei, A., Alighanbari, H., “Aeroelastic Tailoring for Gust-Energy Extraction,” Journal of Aerospace Engineering, ASCE, Vol. 33, Issue 4, July 2020. doi: 10.1061/(ASCE)AS.1943-5525.0001158.

J22  *Cole, J., Maughmer, M.D., Bramesfeld, G., *Melville, M., Kinzel, M., “Prediction of Lift Oscillations in a Propeller-Wing System using Potential Flow,” Aerospace, Vol. 7, Issue 5, May 2020. doi:10.3390/aerospace7050060.

J21  *Kolaei, A. and Bramesfeld, G., “A FEniCS-Based Model for Prediction of Boundary Layer Transition in Low-Speed Aerodynamic Flows,” Journal of Aerospace Engineering, accepted with revisions.

J20  *Kolaei, A., *Barcelos, D., and Bramesfeld, G., “Experimental Analysis of a Small-Scale Rotor at Various Inflow Angles,” International Journal of Aerospace Engineering, Volume 2018, Article ID 2560370, Oct. 2018, https://doi.org/10.1155/2018/2560370.

J19  *Yeung, A., Bamesfeld, G., Chung, J, Foster, S., “Measuring low-altitude wind gusts using the unmanned aerial vehicle GustAV,” Journal of Unmanned Systems, Sept. 2018, https://doi.org/10.1139/juvs-2017-0029.

J18  *Cole, J., Maughmer, M.D., Bramesfeld, G., Kinzel, M., “A Higher-Order Free-Wake Method for Propeller-Wing Systems,” Journal of Aircraft, August 2018, https://doi.org/10.2514/1.C034720.

J17  Schirra, J., *Bissonnette, W., and Bramesfeld, G., “Wake-Model Effects on Induced Drag Prediction of Staggered Boxwings,” Aerospace, Vol. 5, No. 1, January 2018, doi:10.3390/aerospace5010014.

J16  *Bissonnette, W. and Bramesfeld, G., “Effects of Wake Shapes on High-Lift System Aerodynamic Predictions,” Aerospace, Vol. 4, No. 2, April 2017, doi: 10.3390/aerospace4020024.

J15  *Krebs, T. and Bramesfeld, G., “Using an Optimization Process for Sailplane Winglet Design,” Aeronautical Journal, Vol. 120, No. 1733, pp. 1726-1745, November 2016, doi: 10.1017/aer.2016.83.

J14  LeBeau, R. P., Bramesfeld, G., Warning, S. Palotai, C., *Dreas, J., *Krofta, J., “Examining Conditions for the Potential Exploration of the Atmosphere of Uranus with Autonomous Gliders,” Journal of Technical Soaring, Vol. 39, No. 3, pp. 18-29, July 2015.

J13  *Prinster, R. and Bramesfeld, G., “Design and Testing of Foam-Inflated Wings for Small Unmanned Aerial Vehicles,” Journal of Unmanned Vehicle Systems, Vol. 3, No. 4, pp. 176-191, August 2015, doi: 10.1139/juvs-2014-0018.

J12  Bramesfeld, G.and Malik, A., “Micro Aerial Vehicles: Are Two Wings Better than One?” Journal of Aircraft, Vol. 52, No. 5, pp. 1575-1585, Sept.-Oct. 2015, doi: http://arc.aiaa.org/doi/abs/10.2514/1.C033012.

J11  *Combes, T., Malik, A., Bramesfeld, G., McQuilling, M., “Efficient Fluid-Structure Interaction Method for Conceptual Design of Flexible, Fixed-Wing Micro Air Vehicle Wings,” AIAA Journal, Vol. 53, No. 6, pp. 1442-1454, June 2015.

J10  *Kody, F., Bramesfeld, G., and Schmitz, S., “An Efficient Methodology for Using a Multi-Objective Evolutionary Algorithm for Winglet Design,” Journal of Technical Soaring, Vol. 37, No. 3, pp. 45-56, July 2013.

J9    *Pifer, E.A. and Bramesfeld, G., “Measuring Wing Profile Drag using an Integrating Wake Rake,” Journal of Technical Soaring, Volume 36, No. 3, July 2012.

J8    *Kody, F. and Bramesfeld, G., “Small UAV Design Using an Integrated Design Tool,” International Journal of Micro Air Vehicles, Volume 4, No. 2, June 2012.

J7    Bramesfeld, G., “Small and Micro Aerial Vehicles: How Much Span is Too Much Span?” Journal of Aircraft,Vol. 47, No. 6, pp. 1982–1990, Nov.–Dec. 2010.

J6    Maughmer, M.D. and Bramesfeld, G., “Experimental Investigation of Gurney Flaps,” Journal of Aircraft, Vol. 45, No. 6, pp. 2062–2067, Nov.–Dec. 2008.

J5    Bramesfeld, G.and Maughmer, M.D., “The Effects of Wake Rollup on Formation-Flight Aerodynamics,” Journal of Aircraft, Vol. 45, No.4, pp. 1167–1173, July–August 2008.

J4    Bramesfeld, G.and Maughmer, M.D., “A Relaxed Wake Vortex-Lattice Method Using Distributed Vorticity Elements,” Journal of Aircraft, Vol. 45, No.2, pp. 560–568, March–April 2008.

J3    Bramesfeld, G., Maughmer, M.D., and Willits, S.M., “Piloting Strategies for Controlling a Transport Aircraft after Vertical-Tail Loss,” Journal of Aircraft, Vol. 43, No. 1, pp. 216–225, Jan.–Feb. 2006.

J2    Bramesfeld, G., Wierach, P., Ückert, C., Kickert, R, “A Feasibility Study of a Contour-Adaptable Airfoil for a FAI-Racing Class Sailplane,” Journal ofTechnical Soaring, Vol. XXIX, No. 2, pp. 36-43, April 2005.

J1    Bramesfeld, G.and Maughmer, M.D., “An Experimental Investigation of Self-Actuating, Upper-Surface, High-Lift Enhancing Effectors,” Journal of Aircraft, Vol. 39, No. 1, pp. 120–124, Jan.–Feb. 2002.

Peer Reviewed Conference Proceedings (selected)

(* indicates authors who were advisees of Dr. Bramesfeld)

  1. Cole, J., *Barcelos, B., *Krebs, T., *Melville, M., Bramesfeld, G., “Prediction of WIPP Data using a Relaxed-Wake Potential Flow Method,” 2020 AIAA AVIATION Forum and Exposition, June 15, 2020.
  2. *Melville, M. and Bramesfeld, G., “Development of Flight Dynamics Model for a High-Performance Sailplane,” CASI Aero 2019 Conference, Montreal, QC, Canada, May 14-16 2019.
  3. *Barcelos, D., Bramesfeld, G., and Apkarian, J., “Efficiency Comparison of a Passively Coupled Tiltrotor and Traditional Small UAV Configurations,” CASI Aero 2019 Conference, Montreal, QC, Canada, May 14-16 2019.
  4. *McQuaid, J., *Kolaei, A., Bramesfeld, G. and Walsh, P., “Aerodynamic Analysis of a Multirotor Drone under Vortex Ring State,” CASI Aero 2019 Conference, Montreal, QC, Canada, May 14-16 2019.
  6. Cole, J., *Krebs, T., * Barcelos, D., *Yeung, A., Bramesfeld, G., “On the Integrated Aerodynamic Design of a Propeller-Wing System,” 2019 AIAA Aerospace Sciences Meeting, San Diego, CA, 7-11 January 2019.
  7. Bissonnette, B., *Krebs, T., *Melville, M., Bramesfeld, G., “An Ultra-Long Endurance Solar-Powered Unmanned Airplane,” XXXIV OSTIV Congress, Hosin, Czech Republic, 28 July-3 August 2018.
  8. *Barcelos, D., *Kolaei, A., and Bramesfeld, G., “Performance Prediction of Multirotor Vehicles Using a Higher Order Potential Flow Method,” 2018 AIAA Aerospace Sciences Meeting, Kissimmee, FL, 8-12 January 2018.
  9. *Melville, M., *Kolaei, A., Bramesfeld, G., Alighanbari, H., “An Efficient Model for Aeroelastic Tailoring of Aircraft Wings Under Gust Loads,” 2018 AIAA Aerospace Sciences Meeting, FL, 8-12 January 2018.
  10. *Tsaltas, J. and Bramesfeld, G., “Trim Routine for Multirotor Vehicles in Straight and Level Flight,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017
  11. *Krebs, T. and Bramesfeld, G., “A Sailplane Split-Winglet Design Study,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017
  12. *Yeung, A. and Bramesfeld, G., “Measuring Atmospheric Gusts at Low Altitude,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017
  13. *Cole, J., Maughmer, M., Bramesfeld, G., Kinzel, M., “A Higher-Order Free-Wake Method for Propeller-Wing Systems,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017.
  14. *Cole, J., Maughmer, M., Bramesfeld, G., Kinzel, M., “A Practical Application of an Unsteady Formulation of the Kutta-Joukowski Theorem,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017.
  15. Colletti, C., LeBeau, R., and Bramesfeld, G., “A Numeric Method to Evaluate Autonomous Gliders for Exploration of Outer Solar System Atmospheres,” 2017 AIAA Aviation and Aeronautics Forum and Exposition, Denver, CO, 5-9 June 2017.
  16. *Tsaltas, J. and Bramesfeld, G., “Trim Routine of Multirotor Vehicles in Straight and Level Flight,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  17. *Barcelos, D., Kolaei, A. and Bramesfeld, G, “Higher Order Potential Flow Analysis of Rotor Performance for Unmanned Aircraft Systems,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  18. *Yeung, A. and Bramesfeld, G, “Design and Testing of Small Unmanned Aerial System for Low- altitude Wind Gust Modeling,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  19. *Cole, J, and Bramesfeld, G., “Performance Prediction of Propeller-Wing Systems for Design Space Exploration,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  20. *George, I. and Bramesfeld, G., “Effect of Flight Orientation on Quadcopter Flight Performance,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  21. *Melville, M., Bramesfeld, G., Alighanbari, H., Kolaei, A. “The Effects of Elastic Deformation on HALE Aircraft Flight Performance,” 63rdCASI Aeronautics Conference, Toronto, ON, May 16-18 2017.
  22. *Krebs, T. and Bramesfeld, G., “An Optimization Approach to Split-Winglet Design for Sailplanes,” 54thAIAA Aerospace Sciences Meeting, San Diego, CA, 4-8 January 2016.
  23. *Bissonnette, W. and Bramesfeld, G., “Effects of Wake Shapes on High Lift System Aerodynamics,” 54thAIAA Aerospace Sciences Meeting, San Diego, CA, 4-8 January 2016.
  24. *Carroll, T., *George, I., Bramesfeld, G., Raahemifar, K., “Multi-disciplinary Design of Small Rotor Blades in Multiple Rotor Configurations,” 54thAIAA Aerospace Sciences Meeting, San Diego, CA, 4-8 January 2016.
  25. *Krebs, T. and Bramesfeld, G., “Maximizing Sailplane Average Cross-Country Speed through Winglet Optimization,” 62ndCASI Aeronautics Conference, Montreal, QC, May 19-21 2015.
  26. *Bissonnette, W., *East, B., and Bramesfeld, G., “Design Optimization of the Flap System of a Large Transport Aircraft,” 62ndCASI Aeronautics Conference, Montreal, QC, May 19-21 2015.
  27. *George, I., *Carroll, I., and Bramesfeld, G., “PropOp: Multi-disciplinary Optimization Tool for the Design Phase for a UAV Propeller Design-Fabrication-Test Stream,” 62ndCASI Aeronautics Conference, Montreal, QC, May 19-21 2015.
  28. *Bissonnette, W. and Bramesfeld, G., “Demonstration of a Conceptual Design Tool for Multiple Lifting Elements,” 53rd AIAA Aerospace Sciences Meeting, Kissimmee, FL, 5-9 January 2015, AIAA 2015-1031.
  29. *Combes, T.P., Zhang, F., Hackett, M., Malik, A., and Bramesfeld, G., “Performance Reliability Assessment of a Flexible Wing Micro Air Vehicle using an Efficient Fluid-Structure Interaction Method,” 31st AIAA Applied Aerodynamics Conference, San Diego, CA, June 24-27 2013.
  30. *Kody, F., Bramesfeld, G., and Schmitz, S., “Winglet Design for Sailplanes Using a Multi-Objective Evolutionary Algorithm,” 51stAIAA Aerospace Sciences Meeting, Grapevine, TX, 7-10 January 2013.
  31. *Cole, J., Maughmer, M., and Bramesfeld, G., “Aerodynamic Design Considerations for Tiltrotor Wing Extensions and Winglets,” 51stAIAA Aerospace Sciences Meeting, Grapevine, TX, 7-10 January 2013.
  32. Potvin, J., Reyes, P., McQuillcing, M., Goldbogen, J.A., Shadwick, R.E., Bramesfeld, G., “Rorqual whale hydrodynamics and body drag during non-feeding transport, as revealed by Computational Fluid Dynamics (CFD),” 2013 Annual Meeting, Society for Integrative and Comparative Biology, San Francisco, CA, January 3-7 2013.
  33. *Combes, T., Malik, A., and Bramesfeld, G., “Efficient Fluid-Structure Interaction Method for Optimization of Micro Air Vehicle Wings,” 12thAIAA Aviation Technology, Integration, and Operations Conference and 14th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, Indianapolis, IN, September 17-19 2012.
  34. *Kody F., Schmitz, S., and Bramesfeld, G, “Design of a Winglet for a Sailplane using a Multi-Objective Evolutionary Algorithm Optimization Method,” XXXI OSTIV Congress, Uvalde, TX, August 8-15, 2012.
  35. LeBeau, R., Bramesfeld, G., Warning, S., Palotai, C., “Examining Atmospheric Conditions for the Potential Exploration of Gas Giant Vorticities with Autonomous Gliders,” XXXI OSTIV Congress, Uvalde, TX, August 8-15, 2012.
  36. Bramesfeld, G., *Pifer, E., Vierra, B., Premi, A., “Experimental Comparison: Integrating Wake Rake and Wake Survey,” XXXI OSTIV Congress, Uvalde, TX, August 8-15, 2012.
  37. *Ironside, D. J., Bramesfeld, G., and Schwochow, J, “Modeling of Wing Drag Reductions due to Structural Dynamics in Atmospheric Gusts,” AIAA 28thApplied Aerodynamics Conference, Chicago, IL, June 28-July 1, 2010, AIAA-2010-4683.
  38. Bramesfeld, G., *Ironside, D. J., and Schwochow, J, “Simplified Modeling of Wing-Drag Reduction due to Structural Dynamics and Atmospheric Gusts,” AIAA 26thApplied Aerodynamics Conference, Honolulu, HI, Aug.18-21, 2008, AIAA 2008-6238.
  39. Langelaan, J. and Bramesfeld, G., “Gust Energy Extraction for Mini- and Micro-Uninhabited Aerial Vehicles,” 46thAIAA Aerospace Sciences Meeting, Reno, NV, Jan. 7-10, 2008, AIAA 2008-223.
  40. Bramesfeld, G.and Maughmer, M.D., “The Effects on Formation Flight Aerodynamics due to Wake Rollup,” 45thAIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, Jan. 8-11, 2007, AIAA 2007-729.
  41. Bramesfeld, G., Wierach, P., Ückert, C., Kickert, R, “A High-Performance Sailplane Airfoil with a Variable Upper-Surface Contour,” 15thInternational Conference on Adaptive Structures and Technologies, Bar Harbour, ME, Oct. 25-27, 2004.
  42. Bramesfeld, G., Maughmer, M.D., Horstmann, K.H., “A Free-Wake, Lifting-Surface Model Using Distributed Vorticity Elements,” AIAA 22ndApplied Aerodynamics Conference, Providence, RI, Aug.16-29, 2004, AIAA 2004-5075.
  43. Maughmer, M.D., Lesieutre, G., Bramesfeld, G., Thepvongs, S., Kinzel, M., and Anderson, W., “Miniature Trailing-Edge Effectors for Rotorcraft Applications,” AHS 59thAnnual Forum, Phoenix, AZ, May 6–8, 2003.
  44. Bramesfeld, G., Maughmer, M.D., “The Penn State Sailplane Project – The First Decade,” (invited), AIAA 20thApplied Aerodynamics Conference, St. Louis, MO, July 24-27, 2002, AIAA 2002-2723.
  45. Bramesfeld, G., Maughmer, M.D., “The Penn State Sailplane Course,” ASEE Annual Conference Proceedings, Montreal, Quebec, Canada, June 16-19, 2002, ASEE 2002-2158.

Selected Presentations, Invited Talks and Reports

(* indicates authors who were advisees of Dr. Bramesfeld)

  1. *Krebs, T. and Bramesfeld, G., “Sailplane Winglets: How Many Tips are Too Many Tips?” XXXIII OSTIV Congress, Benalla, Australia, 8-13 January 2017.
  2. *Colletti, C., LeBeau, R. J., andBramesfeld, G, “Investigating Design of Autonomous Glider Exploration of Outer Solar System Atmospheres,” XXXIII OSTIV Congress, Benalla, Australia, 8-13 January 2017.
  3. Bramesfeld, G., “Applied Aerodynamics Research of Small UAV at Ryerson University,” invited talk, Mechanical and Aeronautical Engineering Seminar, Royal Military College of Canada, April
  4. Bramesfeld, G. and Nyers, P., “Ethical considerations of nonmilitary UAVs,” 13th Annual Conference, Unmanned Systems Canada, Halifax, NS, Canada, November 3-5, 2015.
  5. Lebeau, R., Coletti, C., and Bramesfeld, G., “Exploring the Possibility of Autonomous Gliders in the Atmosphere of Titan,” XXXII OSTIV Congress, Leszno, Poland, July 30-August 6 2014
  6. Bramesfeld, G., *Pifer, E., Vieira, O., Premi, A., “Direkte Vergleichsmessungen mit integrierenden und verfahrbaren Nachlaufrechen,“ Symposium für Segelflugzeugentwicklung 2013, Institute für Aerodynamik, Technische Universität Braunschweig, Braunschweig, Germany, Nov. 21/22, 2013.
  7. Bramesfeld, G., “Reflections on Student-Run Projects in Aerospace Engineering,” Invited Talk, The DIY Innovator, Toronto Students for the Advancement of Aerospace, Toronto, Canada, Oct. 25-27. 2013.
  8. Bramesfeld, G., “Drag Reduction and other good Things for UAVs,” Invited talk, Department of Aerospace and Ocean Engineering, Virginia Tech, Blacksburg, VA, April 30, 2012.
  9. *Pifer, E. and Bramesfeld, G., “Integrating Wake Rake,” 2012 AIAA Region V Student Conference, Boulder, CO, April 4-6, 2012.
  10. *Carlson, L, *Keadle, K.C, Bramesfeld, G., “Modeling Wings with Slotted Flaps for High Lift,” 2012 AIAA Region V Student Conference, Boulder, CO, April 4-6, 2012.
  11. *Combes, T., Malik, A., Bramesfeld, G., “Spiral 8 Demo Robot: Bio-Inspired Micro Air Vehicle Wing Simulation,” Invited Talk, ASME St. Louis Chapter, April 2, 2012.
  12. Bramesfeld, G., “100 Years of Modern Soaring,” Invited Talk, AIAA St. Louis Section at the March Technical Specialist Meeting, St. Louis, MO, March 1, 2012.
  13. Bramesfeld, G., *Pifer E., and *Atkin, W., “Measuring Wing Profile Drag using an Integrating Wake Rake,” Presentation, SSA Convention, OSTIV Track, Reno, NV, February 2-4, 2012.
  14. Bramesfeld, G., “Drag Reduction and other good Things for UAVs,” Invited Talk, Department of Mechanical and Aerospace Engineering, West Virginia State University, Morgantown, WV, January 12, 2012.
  15. Bramesfeld, G., “Drag Reduction and other good Things for UAVs,” Invited Talk, Mechanical, Materials, and Aerospace Engineering Department of the Illinois Institute of Technology, November 28, 2011.
  16. McQuilling, M., *Kody, F., and Bramesfeld, G., “Computational Fluid Dynamics Simulations of Airfoil Aerodynamics,” SLU Digital Research Symposium, March 8, 2011.
  17. Bramesfeld, G., “Wing-Drag Reduction with the Help of Structural Dynamics and Gusts,” Presentation, SSA Conference, OSTIV Track, Philadelphia, PA, January 28, 2011.
  18. Bramesfeld, G., “Unmanned Aerial Vehicle Developments at Parks,” Scott Air Force Base, December 14, 2010.
  19. Bramesfeld, G., “Low-Speed Aerodynamics Research Activities at Saint Louis University,” Army Research Laboratory, Aberdeen Proving Grounds, MD, Nov. 17, 2009.
  20. *Ironside, D.J. and Bramesfeld, G., “The Structural Dynamics of Aircraft Wings in Bending and Torsion,” presentation, AIAA Region V Student Conference, Twin Cities, MN, April 22-24 2009.
  21. *Zidar, D. and Bramesfeld, G., “Laminar Flow-Airfoil Testing with Laser-Doppler Anemometry,” AIAA Region V Student Conference, Twin Cities, MN, April 22-24 2009.
  22. *Ironside, D.J. and Bramesfeld, G., “The Structural Dynamics of a Bending Wing-Like Euler-Bernoulli Cantilever Beam,” St. Louis Area Undergraduate Research Symposium (honored with 2nd place for Best Presentation out of 44 participants), St. Louis, MO, April 4, 2009. Also received Best Undergraduate Award at 3rd Annual Sigma Xi Research Symposium, Feb 25, 2009.
  23. Bramesfeld, G., “Drag Reduction using Aeroelastic Tailoring,” invited talk, Applied Aerodynamics Group, University of Illinois at Urbana-Champaign, April 2008.
  24. Bramesfeld, G., “Das Segelflugzeugprojekt der Pennsylvania State University” (The Sailplane Project of The Pennsylvania State University), Idaflieg Wintertreffen, München, Germany, Jan. 2003.
  25. Bramesfeld, G., Maughmer, M.D., “Windkanalmessungen mit Profiloberseitenklappen” (Wind-Tunnel Tests with Airfoil-Upper-Surface Flaps), Idaflieg Berichtsheft, Karlsruhe, Germany, 2001.
  26. Bramesfeld, G., “Aerodynamische Auslegung eines Profils mit adaptiv veränderbarer Oberseitenkontur“ (Aerodynamic Design of an Airfoil with adaptive variable Upper-Surface Contour), Research Paper, Institut für Leichtbau (Institute for Lightweight Design), Technische Universität Braunschweig, Braunschweig, Germany, May, 1997.
  27. Bramesfeld, G., “Profilwiderstandsmessungen mit der MOPROMA am Laminarflügel der SB-13” (Airfoil-Drag Measurements on the Laminar Wing of the SB-13 using the MOPROMA), Idaflieg Berichtsheft, Karlsruhe, Germany, 1997.
  28. Bramesfeld, G., “Nachlaufmessungen am Flügel der SB13” (Wake Surveys on the Wing of the SB13), Segelflugsymposium, DLR/Idaflieg Stuttgart, Germany, Nov. 1996.
  29. Bramesfeld, G., “Untersuchung von laminaren Ablöseblasen an momentanarmen Laminarprofilen am Beispiel Segelflugzeug SB13“ (Examination of Laminar Separation Bubbles on Low-Moment Airfoils of the Sample Sailplane SB13), Research Paper, Studienarbeit Nr. 96/2, DLR-FZ Braunschweig, Germany, 1996.