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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

Basic Research for Electro-Optic/Infrared (EO/IR) Sensors and Sensor Processing

BAA Call N00014-24-S-BC01 Special Programs Announcement for Office of Naval Research (ONR) Research Opportunity: Basic Research for Electro-Optic/Infrared (EO/IR) Sensors and Sensor Processing
October 02, 2023

Fundamental Research Towards Expeditionary Air Warfare & Weapons

BAA Call N0001424SBC02 Special Program Announcement for Office of Naval Research (ONR) Research Opportunity: Fundamental Research Towards Expeditionary Air Warfare & Weapons
October 23, 2023

ONR Innovation Industry Day (I2D): Power & Energy

The Office of Naval Research (ONR) will host an Innovation Industry Day (I2D) on Thursday, May 14, 2026, focused on their Power & Energy portfolio.
June 03, 2025

ONR Innovation Industry Day (I2D): Power & Energy

Special Notice N0001426SN003 Special Program Announcement for Office of Naval Research (ONR) Research Opportunity: ONR Innovation Industry Day (I2D): Power & Energy
April 02, 2026

Power and Propulsion Systems for Unmanned Undersea Vehicles

The proposed topic will explore and exploit the lack of underwater propulsion systems that can efficiently work across a wide variety of speeds over long distances. In particular, this effort is interested in a propulsion system able to transition between low and high speeds, to include the ability to stop and re-start at any time. Other desired characteristics will be briefed at the event. The program will pursue technologies and systems that support development and demonstration of a system that can propel an underwater vehicle in the ways listed. Further mission profile details will be provided at the Industry Day.
January 23, 2024

Special Program Announcement for Office of Naval Research Research Opportunity: MUST-HITS

Special Program Announcement for Office of Naval Research Research Opportunity: MUST-HITS
February 16, 2022

Electric Power Components and Systems

The Office of Naval Research's Electric Power Components and Systems program supports the Navy’s interest in advanced naval power and energy systems research and technology.
March 18, 2022

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