Abstract:…vided by applicant): Controlling mechanical signal transduction to treat osteoarthritis Abstract The TRPV4 calcium (Ca++) permeable ion channel has been shown to be expressed and functional in chondrocytes, the cells responsible for the maintenance of cartilage in weight-bearing… more
Abstract:In this SBIR project Wagner Associates will develop innovative: (1) hull array passive signal processing (providing more accurate bearing, narrowband frequency, and signal-to-noise (SNR) data), (2) passive state estimation, (3) torpedo launch platform localization, and (4)… more
Abstract:… PhD dissertation of Dr. Shane Jacobs, the PI on this proposed effort. To date, analytical and experimental models of the full Morphing Upper Torso design (in which the back hatch of a rear-entry torso is interconnected with the waist ring, helmet ring and two scye bearings)… more
Abstract:ABSTRACT: The proposed research focuses on a generalized formulation and an integrated implementation of bearing life and heat generation models. Since the internal bearing geometry changes with temperature, mechanical stresses, contributing to fatigue, are… more
Abstract:ABSTRACT: To provide improved life prediction estimates for rolling element bearings used in gas turbines and general rotating machinery, an update to the lubricant traction, heat generation, and life calculation methodology currently incorporated in a commercial-of-the-shelf… more
Abstract:… could lead to lower overall costs, reduced size and power, and significantly improved communications and navigation performance. This same technology would equally benefit the DoD, which faces increasingly scarce spectrum due to the high demands for revenue-bearing consumer… more
Abstract:… can identify it's absolute position by observing known landmark features and deriving range from the raw attitude sensor data and the video stream. By observing one or more landmark features during camera motion, the position uncertainty of the range and bearing from… more
Abstract:… where technology advancements can be made that not only provide reliable bitts and chocks for use onboard U.S. Navy ships, but also have implications for other military and commercial applications. The first is the application of high lubricity, lubricant free, composite … more
Abstract:HMC"s approach to Phase I HLRB roller bearing design was to achieve separation of the radial and axial functions of the bearing so as to enable axial bearing movement independent of bearing rotation. HMC"s rationale for this approach was that the delineation of axial… more
Abstract:Operation of turbine engines in marine environments presents a great challenge for bearings and gears composed of Pyrowear 675. The harsh environment reduces bearing life and increases unscheduled maintenance. IBC Materials is developing an industrial-scale, novel thermal… more
Abstract:…line anodes show the analog bandwidth decreases from 1.6 GHz to 0.4 GHz as the anode length increases from 289 mm to 916 mm when the strip-line anodes are daisy-chained in series to cover more area with the same electronics channel count. This proposal brings to bear… more
Abstract:DESCRIPTION (provided by applicant): Myelosuppression continues to represent the major dose-limiting toxicity of cancer chemotherapy, resulting in considerable morbidity and mortality along with frequent reductions in chemotherapy dose intensity, which maycompromise disease control and survival.… more
Abstract:… experimentation with a 2x6 MIMO radar prototype, that is capable of operating in either a SIMO or MIMO mode, and can transmit arbitrary waveforms. The experiments carried out will be approximations to challenging scenarios, such as closely spaced targets in range or … more
Abstract:…ental chemicals and for predictive models to assess associated risks of chemical exposure to humans. There is also need for innovative methods for evaluating the effects of chemicals on pluripotent stem cells and the differentiation process. A novel chromatin structure bearing… more
Abstract:… be detected even in the low-texture environment. We then extract view-invariant shape and topological features that can be used to recognize these landmarks from different viewpoints. Second, we transform the locations of these landmarks into visual guides for bearing-only… more
Abstract:As new applications arise for small gas turbine engines, the need to advance engine component technologies becomes essential, since they are required to run faster, hotter, and longer. Particularly critical in this regard are the shaft bearings. Since they operate without… more
Abstract:… the potential weight savings associated with replacing the existing EFV tank, cover, and structural panels, a modular construction was desired to support simple installation and removal from the vehicle. Key performance criteria include: 1) external load-bearing capability;… more
Abstract:…arge rates. Tests of composite material coupons fabricated with the low cost composite material manufacturing process will be completed. Transient shock analysis will also be performed to establish the shock tolerant FESS design configuration and corresponding bearing support… more
Abstract:…e integrated and low logistics footprint fueled hybrid solid oxide fuel cell (SOFC) and mesoscopic gas turbine engine generator (GTG) system with fuel-to-electricity efficiencies to 65%. The ultra-high speeds of the oil-free mesoscopic GTG with novel foil bearings and the high… more
Abstract:… and at the same time provides sufficient damping characteristics to prevent fatigue failure. Furthermore, when applied to the entire rotating group, including the shaft, the coating provides low friction and wear resistance to ensure reliable operation of the bearings.… more
Abstract:A sensor was developed in the Phase I effort that enabled the measurement of a wear liner thickness in a bearing. The goal of the Phase II effort is to mature that sensor into a system that can be qualified in spherical bearings such as AS81820 and AS81819. To reach that goal,… more
Abstract:… of helium and rubidium vapor at elevated pressure and temperature. Significant challenges exist because rubidium is a very reactive material. In response, our team proposes to develop a contamination-free, all-metal, hermetic, circulation system based on gas-bearing… more
Abstract:… military operations, and their use will increase substantially in the future. The propulsion system is a key design constraint in any UAS, and current small gas turbines for these vehicles are limited by the conventional oil-lubricated rolling element bearings used to… more
Abstract:… advanced systems to convert thermal energy into electric power. These systems must be reliable, efficient, and lightweight. In response, we propose to develop a turbo-Brayton power converter with high efficiency and specific power. The converter will use gas bearings to… more
Abstract:The Army uses Unattended Ground Sensors (UGS) for the location and tracking of enemy soldiers and vehicles. The sensors can often determine range and relative bearing to the signal source, but without knowing its own orientation, these data cannot be converted to the geo… more
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