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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

Expeditionary Energy

The Office of Naval Research's Expeditionary Energy program seeks breakthrough technologies to support the future of hybrid and expeditionary warfare.
March 18, 2022

Operational Endurance from Environmental Carbon

The Office of Naval Research's Operational Endurance from Environmental Carbon program seeks technology development to support sustainable carbon neutral operational energy processes and materials for U.S. Navy and U.S. Marine Corps needs.
March 18, 2022

Enabling Technologies for Electronic Warfare and Surveillance

BAA Call N0001424SBC10 Special Programs Announcement for Office of Naval Research Opportunity: Enabling Technologies for Electronic Warfare and Surveillance
August 14, 2024

Shipboard Emergency Response

Special Program Announcement for Office of Naval Research Research Opportunity: Shipboard Emergency Response
November 14, 2022

Next Generation Medium Tactical Truck (NG-MTT) Research

Special Program Announcement for Office of Naval Research Research Opportunity: “Next Generation Medium Tactical Truck (NG-MTT) Research"
May 16, 2022

History-Making Oceanographer and Ret. Navy Captain Dies at 92

Retired U.S. Navy Capt. Don Walsh, best known for his daring dive to the deepest spot on Earth, nearly 36,000 feet below the ocean’s surface, has died at age 92. Walsh was a co-pilot of the Trieste bathyscaphe, a deep submergence vehicle acquired by the Office of Naval Research (ONR) in 1958. Two years later, on January 23, 1960, Walsh and Swiss engineer Jacques Piccard, son of the inventor of the bathyscaphe, became the first humans to descend into the Challenger Deep, located in the Pacific Ocean’s Mariana Trench. “ONR sponsored the Trieste, but it was then-Lt. Don Walsh who made the very daring decision to make the first descent into the deepest spot of the earth’s ocean. Walsh was a Navy officer, a submariner, an adventurer, and an oceanographer. To his family, we extend our deepest condolences and gratitude for allowing him to explore, and share his extraordinary experiences and knowledge with us,” said Chief of Naval Research Rear Adm. Kurt Rothenhaus.
November 16, 2023

Class of 2024 Vannevar Bush Faculty Fellowship (VBFF) Program

ONR Announcement N00014-23-S-F006 Class of 2024 Vannevar Bush Faculty Fellowship (VBFF) Program
July 28, 2023