Publications

The following is a selected bibliography of nearly 60 publications by Dan M. Somers on airfoil design, analysis, and testing — including NASA Technical Papers, NREL subcontractor reports, and AIAA journal articles.

Horizontal-Axis Wind Turbines

• Somers, Dan M.: Design and Experimental Results for the S827 Airfoil. Airfoils, Inc., 1999. [PDF · DOI]
• Somers, Dan M.: Design and Experimental Results for the S825 Airfoil. Airfoils, Inc., 1999. [PDF · DOI]
• Somers, Dan M.: Effects of Airfoil Thickness and Maximum Lift Coefficient on Roughness Sensitivity. Airfoils, Inc., 1998. [PDF · DOI]
• Somers, Dan M.: Design and Experimental Results for the S814 Airfoil. NREL/SR-440-6919, Jan. 1997. [PDF · DOI]
• Somers, Dan M.: Design and Experimental Results for the S809 Airfoil. NREL/SR-440-6918, Jan. 1997. [PDF · DOI]
• Somers, Dan M.: Design and Experimental Results for the S805 Airfoil. NREL/SR-440-6917, Jan. 1997. [PDF · DOI]
• Somers, Dan M.: The S829 Airfoil. Airfoils, Inc., 1995. [PDF · DOI]
• Somers, Dan M.: The S827 and S828 Airfoils. Airfoils, Inc., 1995. [PDF · DOI]
• Somers, Dan M.: The S825 and S826 Airfoils. Airfoils, Inc., 1995. [PDF · DOI]
• Somers, Dan M.; and Tangler, James L.: Wind-Tunnel Test of the S814 Thick Root Airfoil. NREL/TP-442-7388, Jan. 1995. [PDF · OSTI]
• Tangler, J. L.; and Somers, D. M.: NREL Airfoil Families for HAWTs. NREL/TP-442-7109, Jan. 1995. [PDF · DOI]
• Somers, Dan M.: Effect of Flap Deflection on Section Characteristics of S813 Airfoil. Airfoils, Inc., 1993. [PDF · DOI]
• Somers, Dan M.: The S822 and S823 Airfoils. Airfoils, Inc., 1993. [PDF · DOI]
• Somers, Dan M.: The S819, S820, and S821 Airfoils. Airfoils, Inc., 1993. [PDF · DOI]
• Somers, Dan M.: The S816, S817, and S818 Airfoils. Airfoils, Inc., 1992. [PDF · DOI]
• Somers, Dan M.: The S814 and S815 Airfoils. Airfoils, Inc., 1992. [PDF · DOI]
• Somers, Dan M.: The S809 through S813 Airfoils. Airfoils, Inc., 1988. [Contact NREL]
• Tangler, J. L.; and Somers, D. M.: Status of the Special-Purpose Airfoil Families. SERI/TP-217-3264, Dec. 1987. [OSTI]
• Somers, Dan M.: The S801 through S808 Airfoils. Airfoils, Inc., 1987. [Contact NREL]
• Tangler, James L.; and Somers, Dan M.: Advanced Airfoils for HAWTs. Windpower '85 Proceedings, SERI/CP-217-2902, Aug. 1985, pp. 45-51. [Available from NREL]
• Somers, Dan M.: Theoretical Analyses of Five Airfoils at Low Reynolds Numbers. Airfoils, Inc., 1982. [Contact NREL]

Vertical-Axis Wind Turbines

• Somers, Dan M.: The S824 Airfoil. Airfoils, Inc., 1994. [Proprietary]

General Aviation Aircraft

• Somers, Dan M.: Design and Experimental Results for the S102 Airfoil. Airfoils, Inc., 1997. [Proprietary]
• Somers, Dan M.: The S102 Airfoil. Airfoils, Inc., 1996. [Proprietary]
• Selig, Michael S.; Maughmer, Mark D.; and Somers, Dan M.: Natural-Laminar-Flow Airfoil for General-Aviation Applications. J. Aircr., vol. 32, no. 4, July-Aug. 1995, pp. 710-715. [DOI]
• Selig, Michael S.; Maughmer, Mark D.; and Somers, Dan M.: An Airfoil for General Aviation Applications. Proceedings of the 1990 AIAA/FAA Joint Symposium on General Aviation Systems, DOT/FAA/CT-90/11, May 1990, pp. 280-291. [PDF · NTRS]
• Somers, Dan M.: The S101 Airfoil. Airfoils, Inc., 1982. [Proprietary]
• Somers, Dan M.: Design and Experimental Results for a Flapped Natural-Laminar-Flow Airfoil for General Aviation Applications. NASA TP-1865, 1981. [PDF · NTRS]
• Somers, Dan M.: Design and Experimental Results for a Natural-Laminar-Flow Airfoil for General Aviation Applications. NASA TP-1861, 1981. [PDF · NTRS]
• McGhee, Robert J.; Beasley, William D.; and Somers, Dan M.: Low-Speed Aerodynamic Characteristics of a 13-Percent-Thick Airfoil Section Designed for General Aviation Applications. NASA TM X-72697, 1975. [PDF · NTRS]

Business Jets

• Somers, Dan M.: The S203 Airfoil. Airfoils, Inc., 1994. [Proprietary]

Commuter Aircraft

• Somers, Dan M.; and Horstmann, Karl-Heinz: Design of a Medium-Speed, Natural-Laminar-Flow Airfoil for Commuter Aircraft Application. DFVLR IB 129-85/26, 1985. [Available from DLR]

Gyroplanes

• Somers, Dan M.: The S401 and S402 Airfoils. Airfoils, Inc., 1996. [Proprietary]

Tilt-Wing Aircraft

• Somers, Dan M.: High-Lift Systems for the S202 Airfoil. Airfoils, Inc., 1992. [Proprietary]
• Somers, Dan M.: The S202 Airfoil. Airfoils, Inc., 1990. [Proprietary]

Unmanned Aerial Vehicles

• Somers, Dan M.: The S602 Airfoil. Airfoils, Inc., 1989. [Proprietary]
• Maughmer, Mark D.; and Somers, Dan M.: Design and Experimental Results for a High-Altitude, Long-Endurance Airfoil. J. Aircr., vol. 26, no. 2, Feb. 1989, pp. 148-153. [DOI]
• Maughmer, Mark D.; and Somers, Dan M.: An Airfoil Designed for a High-Altitude, Long Endurance, Remotely-Piloted Vehicle. AIAA Paper 87-2554, Aug. 1987. [NTRS]
• Maughmer, Mark D.; and Somers, Dan M.: The Design of an Airfoil for a High-Altitude, Long-Endurance Remotely Piloted Vehicle. Research in Natural Laminar Flow and Laminar-Flow Control, NASA CP-2487, Part 3, 1987, pp. 777-794. [PDF · NTRS]

Sailplanes

• Somers, Dan M.; and Maughmer, Mark D.: The SM701 Airfoil. An Airfoil for World Class Sailplanes. XXII OSTIV-Congress 1991, Paper 1.1.2, Organisation Scientifique et Technique Internationale du Vol a Voile, Uvalde, Texas, Aug. 1991. (Also, Technical Soaring, vol. XVI, no. 3, July 1992, pp. 70-77.) [Available from SSA]
• Somers, Dan M.; and Maughmer, Mark D.: The SM701 Airfoil. Airfoils, Inc., 1990.
• Somers, Dan M.: NASA Research Related to Sailplane Airfoils. Proceedings of the 1981 SSA National Soaring Convention, Arizona Soaring Association, Jan. 1981, pp. 99-109. [NTRS]
• Somers, Dan M.; and Foster, Jean M.: An Exploratory Investigation of the Effect of a Plastic Coating on the Profile Drag of a Practical-Metal-Construction Sailplane Airfoil. NASA TM-80092, 1979. [PDF · NTRS]
• Somers, Dan M.: Experimental and Theoretical Low-Speed Aerodynamic Characteristics of a Wortmann Airfoil as Manufactured on a Fiberglass Sailplane. NASA TN D-8324, 1977. [PDF · NTRS]
• Somers, Dan M.: Experimental and Theoretical Investigation of Differences Between a Manufactured and the Corresponding Design Airfoil Section. Technical Soaring, vol. IV, no. 2, Dec. 1976, pp. 1-14. [Available from SSA]

Cruise Missiles

• Somers, Dan M.: The S201 Airfoil. Airfoils, Inc., 1990. [Proprietary]

Cooling-Tower Fans

• Somers, Dan M.: The S904 and S905 Airfoils. Airfoils, Inc., 1999. [Contact NREL]
• Eppler, Richard; and Somers, Dan M.: Aerodynamic Design of a Low-Cost, High-Efficiency Fan for an Air-Cooled Heat Exchanger. Airfoils, Inc., 1998. [Proprietary]

Airfoil Design and Analysis

• Somers, Dan M.: Subsonic Natural-Laminar-Flow Airfoils. Natural Laminar Flow and Laminar Flow Control, R. W. Barnwell and M. Y. Hussaini, eds., Springer-Verlag New York, Inc., 1992, pp. 143-176.
• Eppler, Richard; and Somers, Dan M.: Airfoil Design for Reynolds Numbers Between 50,000 and 500,000. Proceedings of the Conference on Low Reynolds Number Airfoil Aerodynamics, UNDAS-CP-77B123, Univ. of Notre Dame, June 1985, pp. 1-14. [NTRS]
• Eppler, Richard; and Somers, Dan M.: Supplement To: A Computer Program for the Design and Analysis of Low-Speed Airfoils. NASA TM-81862, 1980. [PDF · NTRS]
• Eppler, Richard; and Somers, Dan M.: A Computer Program for the Design and Analysis of Low-Speed Airfoils. NASA TM-80210, 1980. [PDF · NTRS]
• Eppler, Richard; and Somers, Dan M.: Low Speed Airfoil Design and Analysis. Advanced Technology Airfoil Research - Volume I, NASA CP-2045, Part 1, 1979, pp. 73-99. [PDF · NTRS]

Miscellaneous

• Maughmer, Mark D.; and Somers, Dan M.: Figures of Merit for Airfoil/Aircraft Design Integration. AIAA Paper 88-4416, Sept. 1988. [DOI]
• Somers, Dan M.; Stack, John P.; and Harvey, William D.: Influence of Surface Static-Pressure Orifices on Boundary-Layer Transition. NASA TM-84492, 1982. [PDF · NTRS]
• Sawyer, Patricia L.; and Somers, Dan M.: The Application of Microprocessor Technology to In-Flight Computations. Science and Technology of Low Speed and Motorless Flight, NASA CP-2085, Part I, 1979, pp. 267-284.