Computational Analysis of the Transonic Dynamics Tunnel Using FUN3D: Paper No. AIAA 2016-1775

Eliot Quon, Pawel Chwalowski, Scott Brynildsen

Research output: Contribution to conferencePaper

3 Scopus Citations


This paper presents results from an explanatory two-year effort of applying Computational Fluid Dynamics (CFD) to analyze the empty-tunnel flow in the NASA Langley Research Center Transonic Dynamics Tunnel (TDT). The TDT is a continuous-flow, closed circuit, 16- x 16-foot slotted-test-section wind tunnel, with capabilities to use air or heavy gas as a working fluid. In this study, experimental data acquired in the empty tunnel using the R-134a test medium was used to calibrate the computational data. The experimental calibration data includes wall pressures, boundary-layer profiles, and the tunnel centerline Mach number profiles. Subsonic and supersonic flow regimes were considered, focusing on Mach 0.5, 0.7 and Mach 1.1 in the TDT test section. This study discusses the computational domain, boundary conditions, and initial conditions selected in the resulting steady-state analyses using NASA's FUN3D CFD software.
Original languageAmerican English
Number of pages17
StatePublished - 2016
EventAIAA SciTech: 54th AIAA Aerospace Sciences Meeting - San Diego, California
Duration: 4 Jan 20168 Jan 2016


ConferenceAIAA SciTech: 54th AIAA Aerospace Sciences Meeting
CitySan Diego, California

NREL Publication Number

  • NREL/CP-5000-67891


  • CFD
  • computational fluid dynamics
  • empty-tunnel flow
  • flow regimes
  • steady-state analysis


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