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A Mighty Wind: Using Wind Tunnels to Measure Sound by Deadening the Noise

The Office of Naval Research (ONR) sponsored a project at Virginia Tech University nearly 20 years ago that is now growing in influence across the world for measuring aerospace and aeronautical acoustics. Since noise reverberates against solid surfaces, such as the walls of a wind tunnel where acoustical testing takes place, collecting accurate sound data had been nearly impossible at the time. Researchers were also struggling to discern the sound of the wind tunnel’s air flow from the noise of the object traveling through it. After learning about some experiments on Kevlar as a wind screen, William Devenport, an engineering professor and director of Virginia Tech’s Stability Wind Tunnel, said he and a colleague wrote a proposal to then-ONR program officer Ron Joslin to try adding Kevlar to their wind tunnel walls. Devenport submitted the original grant proposal (N00014–04–1–04933) through the FY 2004 Defense University Research Instrumentation Program (DURIP) for alterations to Virginia Tech’s existing Stability Wind Tunnel that would allow it to measure flow-induced noise of relevance to Navy applications.

August 14, 2023

Got Innovation? Share it With Office of Naval Research Decision Makers

The Office of Naval Research is now accepting 2012 submissions for Pitch a Principal and Poster Session.
July 31, 2012

Vacancy Announcements

Search for job opportunities with the Office of Naval Research
March 18, 2022

Marine Meteorology and Space Weather

The Office of Naval Research's Marine Meteorology and Space program sponsors innovative basic and applied research in the broad thrust areas of atmospheric prediction, atmospheric effects, air-sea interaction and marine boundary layer processes and space environment.
March 18, 2022

Marine Mammal Animal Use Protocol

The Department of Defense Instruction 3216.01, which as recently been implemented, clarifies several animal use requirements that are applicable to marine mammal studies.
March 18, 2022

Deadline-Driven: Students Have Until Jan. 15 to Participate in Naval STEM Initiative

College students have until Friday, Jan. 15, to apply to Naval STEM's Naval Horizons initiative.
December 17, 2020

HSLA-115 Procured for Fabrication of CVN 78: Will Reduce Top-Side Weight/Lower Center of Gravity

The Navy is seeking solutions to reduce weight and lower the center of gravity for surface ships to improve their performance at a reasonable cost.
April 06, 2009

Space Industry Day

Special Program Announcement for Office of Naval Research (ONR) Research Opportunity: Space Industry Day
March 31, 2023

Multidisciplinary University Research Initiatives (MURI) Program

The Department of Defense Multidisciplinary University Initiative (MURI) efforts involve teams of researchers investigating high priority topics and opportunities that intersect more than one traditional technical discipline. For many military problems this multidisciplinary approach serves to stimulate innovations, accelerate research progress and expedite transition of results into naval applications.
March 18, 2022

Office of the Inspector General

The Office of Naval Research's Office of the Inspector General (OIG) conducts and supervises audits, investigations and inspections relating to ONR's programs and operations.
March 18, 2022