An experimental investigation into transition on a 7-degree blunted cone was conducted at the University of Arizona. Evidence that the primary instability was suppressed as blunting increased was detected. Additionally, as blunting increased, a subsequent strengthening of energy near the boundary layer edge was detected, and a potential entropy layer type instability was detected using spectral proper orthogonal decomposition.

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Experimental Investigation of Bluntness Effects on Transition on a 7-Degree Blunted Cone

  • Adam Skora,
  • Stuart Craig

摘要

An experimental investigation into transition on a 7-degree blunted cone was conducted at the University of Arizona. Evidence that the primary instability was suppressed as blunting increased was detected. Additionally, as blunting increased, a subsequent strengthening of energy near the boundary layer edge was detected, and a potential entropy layer type instability was detected using spectral proper orthogonal decomposition.