BOEING COMPANY, THE
NASA?s Supersonics Project is a broad-based effort designed to develop knowledge, capabilities and technologies that support vehicles that fly in the supersonic speed regime. A major focus of this effort is eliminating the efficiency, environmental and performance barriers to practical supersonic cruise vehicles. This effort is divided into elements that focus on foundational, discipline, multi-discipline and integrated system level challenges. The integration and validation of system level technologies, design tools, and analysis capabilities is complex and resource intensive. For supersonic cruise vehicles, one of the major challenges is the development and validation of low-boom technologies and related vehicle design and analysis processes that reduce sonic boom noise to levels that allow supersonic flight overland while maintaining adequate efficiency of operation. This SOW leverages Boeing trade studies and existing design tools to enable the maturation of improved low-boom design tools and validate a N+2 design concept through sonic boom, supersonic performance, and propulsion-induced effect wind tunnel testing with an emphasis on shaping of the sonic boom signature. Scope of Work: The Contractor shall take a phased and gated approach to experimentally validating an N+2 supersonic low-boom configuration. The project will be divided up into two phases. There will be two gate reviews in Phase 1. The first gate review will take place after the low-boom design is mature enough to validate in the wind tunnel. The second gate review will take place before proceeding on to the Phase 2. The tools employed for design will become more sophisticated in each phase of the program. In Phase 1, the Contractor shall design a low-boom aircraft that meets the efficiency, environmental, and performance goals shown in Table 1. In Phase 2, the Contractor shall conduct analysis on the effect of the inlet and nozzle plume on the sonic boom and the aircraft efficiency, and minimize these effects in the design if possible. In Phase 2, the Contractor shall conduct one gate review that will take place when the inlet and nozzle effects model design is mature enough to validate in the wind tunnel.
The Contractor shall utilize synergy of linear theory and CFD-based design/optimization methods to generate a wind tunnel test ready supersonic low-boom concept aircraft. The design shall meet aggressive sonic boom requirements with special emphasis on shaping and validating the aft portion of the sonic boom signature, and nacelle and nozzle shaping with aircraft integration for achieving low sonic boom noise and high installed propulsion efficiency.
Tasks 3.1, 3.2, 3.3, and 3.7.1 and corresponding deliverables will be funded under the American Recovery and Reinvestment Act (ARRA). 3.1 Deliverables:
1) ARRA ? Inputs to the CAD definition for wind tunnel OML designed with Generation 3.0 tools, 2) ARRA - Preliminary boom model mount design, 3) ARRA ? Inputs for Gate Review #1. 3.2 Deliverables: 1) ARRA - Sonic boom wind tunnel model (Model #1a), 2) ARRA - Required support hardware for Model #1a, 3) ARRA - Model #1a documentation (drawings, stress report, quality report), 4) ARRA - Model #1a support hardware documentation. 3.3 Deliverables:1) ARRA - Pressure rail evaluation and recommendation ? Annotated Powerpoint file. 3.7.1 Deliverables: 1) ARRA ? Inputs to the final report for tasks 3.1 ? 3.3 (14 months from Contract Award), 2) ARRA - Quarterly progress reports to BR&T (months 3, 6, 9 and 12 from Contract Award), 3) ARRA ? Inputs to the 2010 FAP Annual Meeting PowerPoint presentation, 4) ARRA ? Inputs to the Technical Interchange Meeting #1 briefing (5 months from Contract Award), 5) ARRA ? Inputs to the Technical Interchange Meeting #2 briefing (11 months from Contract Award)
6) ARRA ? Inputs to the Gate Review #1 briefing