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The recent flight tests of the X-51 have highlighted the need to better understand the sensitivity of scramjets to unstart events. These typically violent events increase heat and pressure loads on scramjet vehicles and limit control authority of the vehicle. This study is intended to identify precursors of unstart and to understand the sensitivity of SBLI to modulation of heat release as a result of transient fuel-staging.

For a complete video gallery of unstart, click here.