"The proposed Phase 2 program focuses on the development of Powered Resonance Tube (PRT) actuators for application to Active Flow Control (AFC). For effective control across the full operating envelope of an air vehicle, high bandwidth and authority arerequired. In Phase 1, a new… More

"Flight demonstration of modern stealthy aircraft with an active flow control system is an important, complex, and challenging opportunity. The probability of success is maximized by a progressive plan in which complexity is introduced gradually. Wepropose a plan that includes flight testing of a… More

"A system that integrates the use of zero frequency and high frequency flow control is proposed to reduce aero-optic distortions by minimizing large-scale shear layer structures. An important measure of performance for a tactical laser system is theintensity of the beam on a target. The… More

The noise level of new and existing aircraft need to be reduced to meet the increasingly stringent US and international airport standards. High frequency excitation (wavelengths much shorter that amplified instabilities) of jet flows is a new technology that has the potential to reduce acoustic… More

The proposed Phase II effort will result in the development of new devices for improving optical propagation of both directed energy and free space communication systems. The Phase I effort has demonstrated the feasibility of these devices. The Phase II effort will provide the optimization and… More

Greater effectiveness and lower cost for tools for the USAF to defeat threats ranging from terrorism to rogue nation unpredictability require smart application of available technology. Recent advances made available by UAVs are invaluable, aircraft of all types play an important role in the master… More

A system that provides a large field of regard for propagation of a lethal beam from a transonic platform will be evaluated. The proposed design incorporates concepts to address the fact that shocks do develop in transonic flow, but with the proposed system the field of regard should be enhanced. A… More

A system that provides a large field of regard for propagation of a laser beam from a transonic platform will be evaluated at larger scale and in greater detail (with more realistic and detailed geometry) than the successful Phase I demonstrations. Critical and practical issues identified in phase… More

We are proposing an approach to the use of CFD that will include the determination of large scale unsteadiness in the flow over the weapons bay. The effects of release of the weapon, the unsteady aerodynamic forces on a given weapon as it leaves the bay and its continued descent will be determined.… More

The noise from turbulent, hot, supersonic jets during take-off and landing, as well as high-Mach cruise at altitude, dominates noise emanating from other powerplant components (e.g., fan, combustor). This intense noise has significant safety implications for launch personnel as well an… More

Test facilities such as wind tunnels require stringent control of test parameters such as wind speed, temperature, pressure, etc., in order to satisfy the objectives of the simulation. Control of test facilities can be significantly improved using mathematical models for the facility behavior that… More

Undersea acoustic sensors are a critical need for U.S. Navy surveillance applications. They are used for measuring acoustic energy originating from distance source to help detect and classify quiet threat targets, as in sonar applications. To expand their field of regard, large sensor arrays are… More

The noise from turbulent, hot, supersonic jets during take-off and landing, as well as high-Mach cruise at altitude, dominates noise emanating from other powerplant components (e.g., fan, combustor). This intense noise has significant safety implications for launch personnel as well an environmental… More

Innovative Technology Applications Company and Drs. P. Morris and K. Brentner will make improvements in noise prediction and measurement methods for subsonic and supersonic vehicles. Possible areas of application for the finished product include aerodynamic noise from fans, jets, turbomachinery,… More

Prediction of the noise from impinging turbulent, hot, supersonic jets from real flight systems in an operational environment is an extremely challenging problem. The broad ranges of both temporal and spatial scales that affect the results make a conventional large eddy simulation impractical. To… More

Innovative Technology Applications Company (ITAC), LLC, in partnership with the University of Notre Dame (ND), propose to develop an advanced plasma-enhanced aerodynamic control (PEAC) technology to significantly enhance the performance of vertical takeoff and landing aircraft, in particular the… More

The proposed BIOFOILS program will develop innovative designs and control concepts for bioinspired hydrofoils for use in future Naval undersea vessels. The program will incorporate novel structures and mechanisms inspired from aquatic mammals into the design and function of human-engineered… More

ABSTRACT: Flight tests of hypersonic maneuvering vehicles are a challenging but necessary endeavor. While ground tests and numerical simulations can provide important guidance regarding vehicle performance, they are both limited in their reach. Likewise surface-based measurements during flight… More

Use of an airborne platform for a directed energy system is currently severely limited by aero-optic aberrations arising from density variations in air flowing over the aircraft; the primary limitation is for aft pointing applications. Innovative Technology Applications Company (ITAC), in… More

The primary goal of the Phase II program to advance plasma-enhanced aerodynamic control (PEAC) concepts, methods, and techniques to improve V-22 Osprey wing aerodynamics that directly impact efficient cruise and hover. Replacing passive vortex generators with active, dielectric barrier discharge… More

ABSTRACT: The objective of the Phase II effort is to extend the mathematical model investigated in the Phase I to include wind speed as well as temperature modeling, continue its development for a University of Notre Dame Wind Tunnel Facility, and demonstrate utility by adopting the model to a… More