An Overview of the A-3 Subscale Diffuser Test Project

The Subscale Diffuser Test (SDT) Project comprised a series of tests of a subscale model of SSC s A-3 Test Stand diffuser. SDT was conducted at NASA s Stennis Space Center (SSC) Apr 2007 - Jan 2008. Purpose of SDT was to mitigate design risk for the A-3 diffuser. Initial scope of the SDT project successfully completed in Jan 2008. Follow-on A-3 risk mitigation testing being planned/considered. This presentation presents an overview of the SDT project.