NASA/TM—2011-217130 Advanced Technology Subsonic Transport Study N+3 Technologies and Design Concepts Daniel P. Raymer Conceptual Research Corporation, Los Angeles, California Jack Wilson Arctic Slope Research Corporation, Cleveland, Ohio H. Douglas Perkins Glenn Research Center, Cleveland, Ohio Arthur Rizzi and Mengmeng Zhang Royal Institute of Technology, Stockholm, Sweden Alfredo Ramirez Puentes University of San Buenaventura, Bogota, Columbia November 2011 NASA STI Program . in Profi le Since its founding, NASA has been dedicated to the • CONFERENCE PUBLICATION. Collected advancement of aeronautics and space science. The papers from scientifi c and technical NASA Scientifi c and Technical Information (STI) conferences, symposia, seminars, or other program plays a key part in helping NASA maintain meetings sponsored or cosponsored by NASA. this important role. • SPECIAL PUBLICATION. 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Does not contain • Write to: extensive analysis. NASA Center for AeroSpace Information (CASI) 7115 Standard Drive • CONTRACTOR REPORT. Scientifi c and Hanover, MD 21076–1320 technical fi ndings by NASA-sponsored contractors and grantees. NASA/TM—2011-217130 Advanced Technology Subsonic Transport Study N+3 Technologies and Design Concepts Daniel P. Raymer Conceptual Research Corporation, Los Angeles, California Jack Wilson Arctic Slope Research Corporation, Cleveland, Ohio H. Douglas Perkins Glenn Research Center, Cleveland, Ohio Arthur Rizzi and Mengmeng Zhang Royal Institute of Technology, Stockholm, Sweden Alfredo Ramirez Puentes University of San Buenaventura, Bogota, Columbia Prepared under Contract NNC08VF71P National Aeronautics and Space Administration Glenn Research Center Cleveland, Ohio 44135 November 2011 Acknowledgments Funding for this effort was provided by NASA Glenn Research Center. Thanks to Daniel Paxson and Michael Tong of NASA Glenn Research Center for their technical contributions to this study. Trade names and trademarks are used in this report for identifi cation only. Their usage does not constitute an offi cial endorsement, either expressed or implied, by the National Aeronautics and Space Administration. This work was sponsored by the Fundamental Aeronautics Program at the NASA Glenn Research Center. Level of Review: This material has been technically reviewed by technical management. Available from NASA Center for Aerospace Information National Technical Information Service 7115 Standard Drive 5301 Shawnee Road Hanover, MD 21076–1320 Alexandria, VA 22312 Available electronically at http://www.sti.nasa.gov Contents Abstract ......................................................................................................................................................... 1 1.0 Introduction .......................................................................................................................................... 3 2.0 Nomenclature ....................................................................................................................................... 4 3.0 Background .......................................................................................................................................... 5 4.0 Approach .............................................................................................................................................. 6 5.0 Calibration Basepoint: Boeing 737-800 ............................................................................................... 7 6.0 Parametric Trades and Response Surface .......................................................................................... 10 7.0 Parametric Results Discussion ........................................................................................................... 13 8.0 Advanced Concepts Design ............................................................................................................... 15 9.0 Advanced Concepts Assessment ....................................................................................................... 19 10.0 Preferred Concept—Tailless Airliner ................................................................................................ 21 10.1 Concept Selection and Sizing ................................................................................................... 21 10.2 Enabling Technology: Retracting Canard and Chin Rudder .................................................... 24 10.3 Enabling Technology: Active Aeroelastic Wing ...................................................................... 26 11.0 Tailless Airliner Analysis and Issues ................................................................................................. 27 11.1 Aerodynamics ........................................................................................................................... 27 11.2 Computational Fluid Dynamics (CFD)..................................................................................... 29 11.3 Weights ..................................................................................................................................... 32 11.4 Propulsion ................................................................................................................................. 33 11.5 Sizing ........................................................................................................................................ 35 11.6 Issues and Way-Forward .......................................................................................................... 36 12.0 Summary and Conclusions ................................................................................................................ 38 Appendix—Parametric Sizing Data ............................................................................................................ 41 References ................................................................................................................................................... 42 List of Tables TABLE 1.—ADVANCED DESIGN CONCEPTS LIFT ASSESSMENT ................................................ 19 TABLE 2.—ADVANCED DESIGN CONCEPTS SORTING .................................................................. 20 TABLE 3.—NAS2 AERODYNAMIC ANALYSIS .................................................................................. 27 TABLE 4.—UNSIZED NAS2 GROUP WEIGHT STATEMENT ............................................................ 32 TABLE 5.—NAS2 SIZED WEIGHT STATEMENT ................................................................................ 33 TABLE 6.—NAS2 SIZING CALCULATIONS ........................................................................................ 35 TABLE 7.—PARAMETRIC SIZING FOR 4 PARAMETER BOX-BEHNKEN SCHEME RESPONSE SURFACE .................................................................................................................... 41 List of Figures Figure 1.—Preferred concept CAD rendering: Up-and-Away. .................................................................. 3 Figure 2.—Preferred concept CAD rendering: Takeoff. ............................................................................ 5 Figure 3.—Boeing 737 CAD model. .......................................................................................................... 7 Figure 4.—Boeing 737 aerodynamic analysis results. ................................................................................ 8 Figure 5.—Boeing 737 RDS weight estimate. ............................................................................................ 9 Figure 6.—Boeing 737 single variable