A Future Aircraft Designed Using Advanced Supercomputing at NASA

A Future Aircraft Designed Using Advanced Supercomputing at NASA

• NASA and Boeing have joined forces to design a Transonic Truss-Braced Wing (TTBW) aircraft, incorporating cutting-edge technology that could significantly enhance the fuel efficiency of commercial aircraft.

•  The TTBW aircraft has a unique structure, featuring a high aspect ratio wing and wing and jury struts, resulting in intricate flow phenomena such as transonic buffet, separated flow, and a turbulent wake.

• The standard industry practice employs Reynolds-Averaged Navier-Stokes (RANS)-based computational fluid dynamics (CFD) analysis for predicting buffet onset, but accurate forecasting may require more precise scale-resolving CFD simulations to anticipate buffet onset and separated flow development.

• Therefore, NASA’s Advanced Air Transport Technology Project has initiated a collaborative, multi-center effort to create new simulation techniques to forecast the TTBW’s performance and that of similar truss-braced wing configurations, particularly for predicting transonic buffet onset.

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Published date : 21 Mar 2023 06:20PM