Abstract:ABSTRACT: Cavitation which leads to head falloff and feed system instabilities are a constant source of problems for the low net positive suction head (NPSH) pumps that are needed for advanced liquid rocket engines. Head falloff limits the pumps capability to deliver propellant at the required… more
Abstract:Ground and surface water contamination from anthropogenic sources is an important problem that must be monitored and remediated to protect the environment and human health. Chromium and cobalt contamination of groundwater is a problem in industrialized areas, where waste from plating and other… more
Abstract:Solid-state fuel cells operating at intermediate temperatures of 200300 degrees C are attractive energy conversion devices because they combine many advantages of high- and low-temperature fuel cells, i.e., high durability to CO poisoning, simplified water management, increased energy conversion… more
Abstract:DESCRIPTION (provided by applicant): Cigarette smoking and secondhand exposure to tobacco smoke cause an estimated average of 438,000 premature deaths each year in the United States. Nicotine, coadministered in tobacco products, is an addicting substance that causes individuals to continue use of… more
Abstract:DESCRIPTION (provided by applicant): Rechargeable lithium-ion batteries (LIB) are providing power for an increasing range of portable medical devices. With their light weight and higher voltages, device capabilities have improved within acceptable weight limits for portability. However, the… more
Abstract:DESCRIPTION (provided by applicant): Giner, Inc. proposes a portable, inexpensive, and rapid-response monitor for arsenic speciation in urine. Arsenic species excreted in urine are reflective of human exposure to toxic arsenic, and therefore this sensor will be a valuable biomonitoring tool in… more
Abstract:DESCRIPTION (provided by applicant): Approximately 623,000 people currently live in the United States with a lower limb amputation, with 30,000 new transfemoral amputations conducted each year. The latest commercial product is a prosthetic knee powered byan electric motor designed to function as an… more
Abstract:DESCRIPTION (provided by applicant): Electronically Activated Polymer (EAP) structures hold great potential for use in several medical applications, including implantable pumps and actuators, artificial muscles, microtools for intravascular intervention and soft prosthetics. The structures can be… more
Abstract:DESCRIPTION (provided by applicant): The goal of this proposal is to develop methods to obtain high-resolution crystal structures of Family C G- protein-coupled receptors (GPCRs). These structures would greatly facilitate the development of effective and highly selective allosteric drug molecules… more
Abstract:Dried blood spot (DBS) analysis has gained recognition in recent years in basic science and clinical diagnostics. This impetus relies upon its numerous advantages over the collection, transport and storage of blood samples obtained by conventional venipuncture. Although there is wide-spread interest… more
Abstract:In P2, we will continue development of our integrated smartride Automatic Ride Control (ARC) system. In P1 we began ocean testing so P2 will concentrate on raising the TRL to approach a production ready system. With sophisticated onboard instrumentation, we will demonstrate at least a 30% reduction… more
Abstract:Both NASA and the FAA have identified large civil tiltrotors (LCTRs) as the most promising method for meeting FAA goals for extending future airport capacity, flexibility, efficiency and safety. This has led to important research at NASA exploring flight dynamics and handling qualities associated… more
Abstract:ABSTRACT: Noise alleviation for tactical jet aircraft is critical for community acceptance of military operations. While new fixed-geometry engine nozzles can mitigate noise, adaptive concepts can adjust to multiple flight conditions and reduce noise without compromising other performance metrics.… more
Abstract:Rugged tactical vehicles are critical to the success of U.S. Navy and Marine missions and must be transported around the globe at a moment"s notice. Many of these vehicles, such as the High Mobility Multipurpose Wheeled Vehicle (HMMWV), Interim Fast Attack Vehicle (IFAV) and Light Strike… more
Abstract:An advanced rotorcraft induced velocity software module has been developed for enhancing the fidelity of real-time piloted simulations of rotorcraft shipboard operations. This software module is built upon real-time solutions of the full-span, free-vortex rotor wake combined with fast panel models.… more
Abstract:Current comprehensive rotorcraft analyses typically use lifting line theories coupled with 2D look-up tables to determine rotor blade lift, drag and pitching moment. These methods cannot directly capture 3D flow effects that influence the aerodynamic characteristics of advanced planforms, complex… more
Abstract:This Phase II.5 effort will extend the prior Phase II work and result in a first article of a fully flight qualified 1TB solid state disk, with a SATA 2 interface and meeting applicable requirements.
Abstract:DESCRIPTION (provided by applicant): The significance of this project is the development of a novel photoactivated collagen dressing with demonstrated bactericidal effects, minimal toxic effects and low susceptibility to mechanisms of microbial resistancein an effort to ultimately expand the… more
Abstract:Up to 2700 terawatt-hours per year of geothermal electricity generation capacity has been shown to be available within North America, typically with wells drilled into geologically active regions of the earths crust where this energy is concentrated (Huttrer, 2001). Of this potential, about half is… more
Abstract:Silicon Carbide deep UV detectors can achieve large gains, high signal-to-noise ratios and solar-blind operation, with added benefits of smaller sizes, lower operating voltages, radiation hardness, ruggedness and scalability. SiC UV APDs implementation is challenging due to some material defects,… more
Abstract:This Small Business Innovation Research (SBIR) Phase I project seeks to develop a novel technique and device for high-speed uncooled room-temperature infrared (IR) imaging using micro-antennas and Metal-Insulator-Metal (MIM) rectifiers. These antenna-rectifier structures, called rectennas, will be… more
Abstract:Silicon Carbide (SiC) electronics has the potential for revolutionizing the high temperature high power electronics industry. There is a strong need for tools and models for circuit design using the new SiC power devices that are coming to market. Our work in this project will focus on developing… more
Abstract:DESCRIPTION (provided by applicant): Though drug-eluting stents have successfully reduced restenosis rates in coronary applications, they have not proven as effective in peripheral applications. There is evidence that suggests that restenosis is driven bymechanical factors and that stent placement… more
Abstract:Cornerstone Research Group Inc. (CRG) proposes to continue the efforts from the 2010 NASA SBIR Phase I topic X5.03, "No-Oven, No-Autoclave (NONA) Composite Processing." NONA offers NASA the ability to manufacture composites without an oven or autoclave, which will significantly decrease… more
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