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Digital Twins (DT) – computer simulations of electro-mechanical systems – have been employed for many years to monitor and predict the behavior of the physical systems they model. Since the introduction of malware such as Stuxnet, an urgent need has arisen to predict and prevent such operational technology (OT) systems from catastrophic critical infrastructure attacks before malicious cyber ac ...

The focus of this proposed Phase I STTR will be on identifying and assessing initial low-cost acreage TPS technologies applicable to hypersonic conventional and strategic system performance objectives addressing affordability, capacity, and supply chain resilience.  The initial feasibility assessment will utilize a low-cost TPS technology, carbon phenolic, and assess performance over a range of n ...

Carbon-Carbon has been demonstrated to be a robust and high performing material in the extreme environments that occur in hypersonic flight.  Carbon-Carbon is the key material system of many Thermal Protection System (TPS) designs for hypersonic vehicles.   One of the key areas of interest in TPS design is the leading edges.  Leading edges must maintain thermal and structural integrity through ...

Resodyn Corporation proposes to develop Continuous Acoustic Chemical Reactor (CACR) Technology for the synthesis of energetic and energetic precursor materials of critical need by the DOD. CACR is built on the ResonantAcoustic® Mixing (RAM), which is of particular interest for reactions which are mixing, or heat-transfer limited. CACR is capable of handling multiphase reactions with ease. Previou ...

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Lithium-ion batteries provide a popular energy storage option due to their high energy and power density compared to other technologies and demand is expected to continue to grow. Most lithium-ion battery chemistries rely on cobalt and nickel oxides, both of which are fairly expensive and which the United States obtains primarily via imports. Despite this limitation, most lithium-ion batteries are ...

KooApps previously developed Pictoword, an application that uses visual, puzzle, and game-based mechanics for players to build fun vocabulary words by combining pictures. In this Phase I project, the team will develop a new prototype intended to personalize the learning experience for individual students who are English learners (ELs) to build their English vocabulary. The prototype will include a ...

The researchers will further develop their existing vCoder, an immersive virtual reality (VR) game for students to learn to code. This project will develop an artificial intelligence component to customize pathways to optimize how individual students learn to code. At the end of Phase I, in a pilot study with a middle school class, the researchers will examine whether the prototype functions as pl ...

ASRC Federal Astronautics (AFA) is pleased to propose this plan to perform a feasibility study of using Selective Laser Melting (SLM) Additive Manufacturing (AM) to produce grain boundary engineered (GBE) 316L austenitic stainless steel. Coincident site lattice (CSL) and low-angle grain boundaries, which result from GBE, improve metal alloys’ properties such as fatigue life and stress/corrosion ...