A Comparison of Computational Results with Transonic Test Data from a Hypersonic Airbreathing Model with Exhaust Simulation (invited)

Aerosciences, Aero-Propulsion and Flight Mechanics Technology Development for NASA's Next Generation Launch Technology Program

“…Comparisons between these test data and CFD predictions provided insight in aftbody flow field structures that influence installed forces and moments. 37,38 These comparisons suggest that engineering tools are insufficient to fully resolve transonic forces and moments and it is desirable to utilize high-fidelity CFD to fully analyze the problem. Application of the HEFSS unstructured CFD code, described previously, to this problem is being investigated.…”

An Overview of NASA'S Integrated Design and Engineering Analysis (IDEA) Environment

“…Vulcan has also shown excellent agreement with powered and unpowered tests in Langley's 8-ft. High Temperature Tunnel, as well as other scramjet and highspeed test facilities. In 2003, Vulcan was used to compare to a simulated powered test of a rocket-based combined cycle (RBCC) vehicle in Langley's 16-ft transonic facility, again with excellent agreement 15 . As such, Vulcan has become the benchmark CFD tool at Langley for hypersonic vehicles, and being able to support it directly with automated grid generation from IDEA is essential.…”