Abstract
*† The Hypersonic International Flight Research Experimentation (HIFiRE) program is a hypersonic flight test program executed by the Air Force Research Laboratories (AFRL) and Australian Defence Science and Technology Organization (DSTO). HIFiRE flight one flew in March 2010. Principle goals of this flight were to measure boundary layer transition (BLT) and shock boundary layer interaction (SBLI) in hypersonic flight. This paper reports background preparation and analysis for HIFiRE-1, and lessons that may be derived from this flight and applied to future hypersonic flight tests, particularly boundary layer transition tests. The boundary layer transition experiment was complicated and compromised to some extent by secondary experiments incorporated into HIFiRE. The high bandwidth instrumentation tested on HIFiRE-1 survived and performed well. The measurement of second-mode instabilities in flight using piezo pressure gauges appears feasible.
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