Award Data

ABSTRACT: We are experiencing grand challenges to ensure that cyberspace resources and services can effectively tolerate epidemic-style cybperattacks, and manage automatically its resources and services. Currently, there are no effective commercial technologies to secure and protect cyberspace resources and services; they are mainly labor intensive (e.g., patch update), signature based, and not f ...

ABSTRACT: Recent developments of advanced hybrid metallic structural concepts have been promising for enhancing durability and damage tolerance (D & DT) of unitized aircraft structures. The Alpha STAR team, comprised of Alcoa, Northrop Grumman (NGC), and Southwest Research Institute, proposes to demonstrate and verify/validate the application of advanced hybrid materials in a realistic large sca ...

ABSTRACT: Future Department of Defense space missions require precise, fine-positioning capabilities combined with large maneuvrability requirements. The purpose of this STTR is to: a) identify propellants for electrospray propulsion able to cover, at high propulsion efficiency, an unusually wide range of specific impulses, from several hundred seconds, typical today of colloidal propulsion up to ...

ABSTRACT: Carbon fiber-reinforced composites undergo subcritical damage well before final failure. A self-healing composite material is proposed that will autonomously sense and repair localized damage in composite structures. Healing is accomplished via two main components. The first component is a thermally remendable polymer matrix that is integrated into the structural carbon fiber composite ...

ABSTRACT: Predicting the wall heat loading experienced by hypersonic vehicles during the transition from laminar to turbulent boundary layer flow is the grand-challenge tackled by the present proposal. Previous studies have not focused completely on this phenomenon. In this work we adopt high-fidelity numerical simulations (Direct Numerical Simulation, DNS) to shed some light on the problem, with ...

ABSTRACT: Acellent Technologies and University of Delaware jointly propose to develop an integrated system of carbon nanotubes (CNT) and piezoelectric sensors for structural health monitoring (SHM) of composite structures. The proposed integrated hybrid SHM system will detect the initiation of damage and monitor its growth in composite structures. This system will combine the unique sensing capa ...

ABSTRACT: This Phase II proposal aims at developing and demonstrating the impact/damage monitoring technology whose feasibility was shown in Phase I. The project objective is to demonstrate a new technique based on piezoelectric rosette nodes for (1) locating the points of impact or growing damage in realistic aerospace structures, (2) identifying the magnitude of the impact force, and (3) discr ...

The primary objective for the proposed effort is to develop innovative fast-running models (FRMs) that are based on data generated by High-Fidelity Physics-Based (HFPB) models; these FRMs are to predict the damage, responses, and subsequent residual strength of walls and slabs composed of UHPC or HPC materials of the kind that would be used in hardened bunkers. Of particular interest is to create ...

Advances in Internet services and mobile wireless services will lead to the development of cyberspace services that are pervasive and ubiquitous and touch all aspects of our life. However, along with these advances, we are experiencing grand challenges to secure and protect our cyberspace resources and services so they can effectively tolerate epidemic-style cyber-attacks, deliver applications tha ...

ABSTRACT: SA Photonics FALCON Space Situational Awareness (SSA) cueing system provides long range detection of space objects objects to enable rapid and high accuracy cueing of counter measures. FALCON incorporates world class digital low light passive sensing coupled with high performance image processing to enable long range detection of very small space objects. The passive sensors cue a ver ...