Abstract:The U.S. Army is seeking a long life energy solution that delivers high energy density, good reliability, long shelf-life, and improved safety for monitoring the health of electronic components in remote and sometime harsh locations. Current batteries can only deliver limited… more
Abstract:… increasing the capacity of thermal battery is to identify and develop new electrode materials that provide higher specific capacity and power performance. The overall objective of the proposed effort is to develop (design, fabricate, test and demonstrate) novel cathode… more
Abstract:… (>2.5V) with current density more than 0.5 A/cm2 and pulse current more than 6.0 A/cm2. In Phase I, we will utilize a judicious combination of experimentation and knowledge of thermal battery systems to establish proof-of-concept for the newly proposed cathode material.… more
Abstract:… models, and combine them with state-of-the-art codes for simulation of arc discharges. A comprehensive computational tool will be developed to simulate the arc motion by external magnetic fields, gas-plasma interactions in the arc attachment region, the formation of cathode… more
Abstract:… circuits in this platform. Advanced Computer Aided Design (CAD) tools are also essential for in-depth analysis to optimize design, predict behavior, and assess performance of 9HP-based electronics.CFDRC and Georgia Tech will perform laser-based and heavy ion irradiation… more
Abstract:Conventional lithium-ion batteries demonstrate great potential for applications in electrical vehicles, but they face some major challenges such as low energy density and high cost. It is worthwhile to pursue alternative strategies to address the… more
Abstract:With long shelf life and high reliability, thermal batteries are employed in virtually every strategic defense and tactical weapon system such as projectiles, rockets, bombs, mines, missiles, decoys, torpedoes and similar applications. Due to limited space allowance for the… more
Abstract:Commercial separators for Li-ion battery applications consist of microporous membranes that prevent contact between electrodes and enable free ion flow in the cell. Major drawbacks of these separators include their complex manufacturing process which adds… more
Abstract:An enhancement opportunity exists in current systems where weight reduction may be achieved by utilizing rocket thermal energy to provide recharge power to onboard batteries. In this proposal, Giner, Inc. and Purdue University describe an approach for a thermal power generation… more
Abstract:Interest in civilian use of small Unmanned Aerial Vehicles (UAVs) with Vertical Takeoff and Landing (VTOL) capability has increased greatly in recent years, and is expected to grow significantly in the future. Research to date has focused on propulsion, batteries, sensors and… more
Abstract:…uster system having a total impulse of 680 N-s and a fully throttleable continuous thrust of 30 mN. The subsystem also includes an R134a 3-axis cold-gas attitude control system to replace reaction wheels. Approximately 25 W of primary power is required from a lithium-ion … more
Abstract:… Simulation Monte Carlo code Monaco is chosen for the dynamical simulation, and modified as necessary for the specific STAT source parameters and configurations. A magnetic field capability was developed and successfully integrated in Phase I in order to handle ions that are… more
Abstract:… it into sub-scale and full-size wingskin hardware for demonstration purposes. BENEFIT: The promise of co-cured solar wingskins is the enhancement of flight-time endurance enabled by the embedded solar array, which is capable of re-charging onboard batteries during… more
Abstract:Quantitative, real-time detection of hazardous metal ions on-site is an important goal and remains a significant challenge while monitoring sources such as potable, ground, surface and industrial waters. Quantitative analysis of trace elements is predominantly done by sending… more
Abstract:… applications within the fusion science community, including feedback and control systems for dynamic plasma stabilization in tokamaks, inductive and arc plasma sources, Radio Frequency (RF) helicity and flux injection, RF plasma heating and current drive schemes, ion beam… more
Abstract:… in the EHT integrator as they move toward longer-pulse operation to address scientific and engineering issues relevant to ITER. Beyond the fusion science community, integrators are used in high energy physics experiments, medical imaging instrumentation, and ion… more
Abstract:… general aviation, military, and UAV systems. The test bed will allow various hybrid electric propulsion system technologies to be tested to determine performance, reliability, safety, and cost. These include various motors, motor controllers,gas turbines, batteries, fuel… more
Abstract:The proposed work investigates an approach that would allow an annular ion engine geometry to achieve ion beam currents approaching the Child-Langmuir limit. In this respect, the annular engine, whose design inherently allows for significant increases in perveance by resolving… more
Abstract:The Army needs low-power, lightweight processing for devices carried by the soldier and also for those left as unattended sensors in the field. These applications need to perform complex tasks over long periods of time, but a reliance on heavy batteries s
Abstract:Thermal batteries are mission critical components which provide power to military weapon systems for electronics, fusing, sensing and actuation. Current and future thermal battery packaging and performance requirements are being pushed to the limits, demanding a substantial… more
Abstract:This STTR Phase I proposal proposes to design and develop reactive filter media using nanofiber technology to capture corrosion inducing particulate matter present in coastal region air. The fibrous filter media will be functionalized using ion exchange chemistry which is known… more
Abstract:… meets the requirements for long term (10-20 years) health management and condition based maintenance of military ordnance and sensitive equipment, including advanced missiles and guided ordnance. This system integrates temperature, humidity, ambient pressure, and battery… more
Abstract:… of engineering feasibility tests under both typical ambient kinetic environments and the more high intensity environments that might be found in propulsion testing and launch facilities.Anticipated resultsAnticipated results include a reduction in the amount of battery waste… more
Abstract:…, and require special thermal considerations because they are typically insulating. Luna proposes a simplified alternative in the form of a conformal coating system that will provide comprehensive protection of CT against tamper events including X-ray imaging, SEM, focused ion… more
Abstract:Tanks and enclosures were named the top corrosion expense on Navy vessels, accounting for $204 M in annual direct costs. To control these costs, there is a need for an automated monitoring system to assess coating damage and cathodic protection (CP) system performance. During… more
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