Abstract:Conventional gas turbine engines are often optimized for a specific narrow range of the flight envelope and perform much less efficiently at off-design conditions. Introduction of an inter turbine burner (ITB) into a gas turbine design can add a level of adjustability to the engine performance that… more
Abstract:Long-life, high-capacity cryocoolers are a critical need for future space systems utilizing stored cryogens. The cooling requirements for planetary and extraterrestrial exploration missions, Crew Exploration Vehicles, extended-life orbital transfer vehicles, and space depots will range from 10 to… more
Abstract:Divers operate in a hostile environment that is physically stressful and mentally demanding. They must also function autonomously as communications are very limited during the dive. Each diver must be responsible for his/her own safety, as well as accomplishment of mission objectives. For some… more
Abstract:New types of surface combat vessels are being developed for use in littoral warfare. These ships are designed to meet the evolving mission of the Navy which includes providing forward presence and dominance and support of expeditionary forces. The new mission requirements motivate the use of new… more
Abstract:Lack of situational awareness in urban environments is a significant problem. In-city ground assets are vulnerable and airborne assets are expensive and limited. Seismic surveillance using offset arrays offers a solution that is persistent, stealthy, defendable, and relatively inexpensive. … more
Abstract:Microclimate cooling is a critical need for soldiers serving in hot climates. Power requirements for conventional cooling approaches can add considerable battery mass to the system, since refrigeration consumes a large amount of power and systems must run for four or more hours without recharge. … more
Abstract:The Repeatable Release Holdback Bar (RRHB) is critical to the safe and effective catapult launch of carrier-based aircraft. The current RRHB is a purely mechanical device with no integral electronic health monitoring or warning capabilities. All records regarding the use of a particular RRHB must… more
Abstract:Current practice for machining ceramic radomes used in millimeter wave missiles relies on 20-year-old technology. The result of these antiquated processes is that the yield of machined radomes is unacceptably low and the time required to machine the parts is exceedingly long. These result because… more
Abstract:Due to their high-power density and efficiency, large-capacity, high-temperature, superconductor (HTS) motors and generators offer a number of advantages over conventional electrical machines for ship propulsion and power generating systems. One of the key practical issues with HTS machines is the… more
Abstract:A large proportion of patients suffering from blast-related injuries also suffer from traumatic brain injury. Traumatic brain injury often leads to communication impairments associated with (central) auditory processing disorders ((C)APD). Properly designed auditory training has been shown to… more
Abstract:Analysis of nuclear material samples in the field has many advantages over laboratory analysis. Laboratory analyses can be slow, involve increased expense, lead to additional waste generation and disposal problems, and may introduce errors due to sample degradation or mishandling. In situ analysis… more
Abstract:Temperature control systems for high-power electronics in future military platforms are likely to use two-phase cooling systems, either in the form of two-phase pumped loops or vapor compression refrigeration systems. Either type of system will require a compact condenser to reject heat from the… more
Abstract:The U.S. Navy requires a swaging tool for attaching arresting gear purchase cable terminals on ship. Swaging is a well understood process, and there are many suppliers of adequately powerful machines. However, these machines are too large and cumbersome to be used in the shipboard environment. … more
Abstract:Increased demands for electric vehicle performance have resulted in large power requirements and the potential for extremely large fault currents. This is true not only for over-the-road electric and hybrid vehicles, but also for ships and aircraft, which are increasingly moving toward all-electric… more
Abstract:The Army seeks to standardize all equipment on its battlefield logistics fuel, JP-8. JP-8 is difficult to use for small-scale, low-power applications, however, since its low vapor pressure and complex composition inhibit complete vaporization. Existing methods for vaporizing logistics fuels are… more
Abstract:A recent increase in the occurrence of pilot parachute deployment hesitation events during training has focused attention on the flow field about parachutists in freefall. An improved understanding of this flow will contribute to better equipment and improved safety. Computational Fluid Dynamics… more
Abstract:Creare's ultimate objective is to provide the Navy with an improved method for determining the elongation of aircraft carrier catapult cylinder rows. During Phase I, we developed benchtop prototypes and conducted extensive laboratory tests in representative environments and considered integration… more
Abstract:Flight crews require supplemental oxygen for emergency high-cabin-altitude operations. Some personnel require a walk-around oxygen supply to move freely throughout the cabin until the altitude is reduced to a safe level. Current low-pressure bottles cannot supply oxygen for an adequate duration in… more
Abstract:High Temperature Superconducting (HTS) cables offer major advantages over the conventional copper cables currently used to reduce the magnetic signatures of Navy ships. A degaussing system utilizing HTS cables would be smaller, lighter, and cost less to install than current systems. However, new… more
Abstract:Augmentor stability is critical to the operational performance of military aircraft that rely on gas turbine propulsion. Compared to early augmentor designs, the distance between the point of fuel injection and the flameholder has become progressively shorter in modern augmentors. These so called… more
Abstract:Superconducting materials are ideal candidates for fault current limiters (FCL) due to their low insertion loss and inherent ability to transition to high impedance in a very short time. Creare proposes to develop an FCL based on the use of High Temperature Superconductors (HTS) that can be applied… more
Abstract:Compact, efficient, and sustainable electric power generators are needed to provide mobile electric power for deployable military bases. Fuel cells with fuel processors that run on logistic fuels are attractive candidates due to inherent efficiency, practicality, sustainability, and safety. In… more
Abstract:SuperConducting Electronics (SCE) systems are becoming commonplace due to their substantial benefits in performance and cost when compared to traditional, semiconductor-based components. To achieve widespread adoption of SCE systems, low-cost and rugged cryocoolers and associated drives are needed.… more
Abstract:DESCRIPTION (provided by applicant): Approximately 35,000 Americans are diagnosed with renal cell carcinoma each year. The disease kills about 12,000 Americans each year and has the highest mortality rate of all urologic cancers (about twice the mortality
rate of prostate and bladder cancer). In… more
Abstract:NASA's future missions to investigate the structure and evolution of the universe require highly efficient, very low temperature coolers for low-noise detector systems. We propose to develop a highly efficient, lightweight space magnetic cooler that can continuously provide remote/distributed… more
There are several categories such as “By Agency”, “By Year”, “By State” etc.
Select a checkbox within a category to refine your search results.
Each of your selections is listed in the “Narrow Search Filters” bar. You can uncheck these selections to remove them.
Search for Either Criteria
When you select multiple values within a category, the results will include values that match either of the selections.
For example, selecting “2005” and “2007” in the “By Year” category will display results that include either 2005 OR 2007 in the results.
Narrowing the Search Results
You can refine your search results across categories. To narrow down your results, select multiple values across different categories. The results will only include values that match the selections across the categories.
For example, selecting “2005” in the “By Year” category and “NASA” in the “By Agency” category will only display the results that contain both “2005” AND “NASA” in the results.