Freestream Turbulence Measurements in a Continuously Variable Hypersonic Wind Tunnel Conference Paper uri icon

abstract

  • The Actively Controlled Expansion (ACE) tunnel located at the Texas A&M University National Aerothermochemistry Laboratory (TAMU-NAL) is a unique facility that is characterized by its continuously variable hypersonic Mach number. The tunnel was completed in 2007, and since then, studies have proven its reliability, uniformity, and documented its performance over the available operating range. To better characterize the freestream flow properties, here described as "tunnel noise," a recent study using fast-response pressure transducers was conducted. These transducers were inserted into the freestream, and the resulting pressure fluctuations were recorded across a range of 100 - 80000 Hz to observe spectral peaks relating to disturbances inherent in the flow, and to quantify total noise as a function of the tunnel pressure. The data were collected at Mach numbers of 5, 6, and 7 across the available Reynolds number range for each respective Mach number. Copyright 2012 by the American Institute of Aeronautics and Astronautics, Inc.

name of conference

  • 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition

published proceedings

  • 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition

author list (cited authors)

  • Semper, M., Pruski, B., & Bowersox, R.

citation count

  • 23

complete list of authors

  • Semper, Michael||Pruski, Brandon||Bowersox, Rodney

publication date

  • January 1, 2012 11:11 AM