Enhanced Acoustical Environment for Modern Weapons Bays

Period of Performance: 01/25/2008 - 11/29/2008


Phase 1 SBIR

Recipient Firm

Digital Fusion
5030 Bradford DriveBuilding 1, Suite 210
Huntsville, AL 35805
Principal Investigator


The ultimate aim of this program is to experimentally demonstrate the ability of a passive, light weight flow control device to successfully produce acceptable acoustic noise levels in a geometrically complex cavity such as the main cavity of the JSF aircraft during a flight test. The goal of the Phase I effort is to perform both state of the art CFD analysis and complementary small-scale wind tunnel tests to assess the ability of a rod-in-crossflow (RIC) to perform this task. Phase II will build on these results and consist of analyses of both passive and actively actuated RIC treatments on both subsonic and supersonic cavity flows.