Abstract:… geometric non-linearities will be characterized based on Abaqus"kinematic description, coupled with its user-defined subroutines. The large deformation model will be formulated based on the additive decomposition of the strain rate tensor in elastic, thermal, and… more
Abstract:… leaks or degradation were detected in a test with more than 40 cryo-pressure cycles.While other efforts are exploring the reliability aspects of the BHL technology at larger scales, the proposed effort will focus on evaluating the long-term cryogenic propellant storage… more
Abstract:…feasibility of the SMFB technology for fusion bonding of thermoplastic matrix composites. GTL will perform a series of experiments to quantify the effectiveness of various SMFB configurations. The effort will also explore several options for introducing the required heat to melt… more
Abstract:…. BioSentinel, in collaboration withMetabiologics, proposes to optimize BioSentinel's cell-based assay for BoNT/A detection, generate a BoNT/A reference standard, determine whether the assay offers improved precision compared to the mouse bioassay, and, using thermally… more
Abstract:At hypersonic flow conditions, the flow field around reentry vehicles is ionized, resulting in electro-optical emissions, detectable radar cross-sections, and attenuation of signals transmitted through the plasma. Ablative heat shields may further increase the levels of… more
Abstract:… will be directly extendable to include various scramjet engine types and permit other analysis methodologies in future work. These tools will combine efficient CFD solvers, grid and surface generators, and could be extended to include sensitivity solvers, thermal solvers,… more
Abstract:… involving the development, fabrication, and testing of a high-performing flight-capable self-starting scramjet inlet. Under our Phase I SBIR work, we have developed and validated a self-starting inward-turning scramjet inlet concept and created a coupled CFD/thermal… more
Abstract:… involve complex arrangements of many software components. It has proven difficult to secure such systems from attack by finding and closing all security holes. Dynamic monitoring techniques that detect intrusions have been developed to defend against latent, unknown… more
Abstract:… have high affinity (low nM) and functional potency in vitro, and are at least 1000x functionally selective forDOR over MOR and kappa opioid receptors (KOR). Select compounds were advanced into in vivo antinociceptive studies, and demonstrated excellent efficacy in acute thermal… more
Abstract:With the Titan Saturn System Mission, NASA is proposing to send a Montgolfiere balloon to probe the atmosphere of Titan. In order to better plan this mission and create a robust optimized balloon design, NASA requires the ability to more accurately evaluate the convective heat… more
Abstract:… to avoid the undesirable high losses associated with stainless steel. Ongoing studies and radio-frequency measurements have supported molybdenum as a strong candidate for replacing the copper irises because of the low surface resistivity and superior strength and thermal… more
Abstract:… well documented and include: Mass and cost savings, System reliability and mission life multiplier, and Electrical Power System enhancement. However, these benefits have not come to fruition due to a few technical challenges, including the extremely high momentum storage… more
Abstract:The primary objective of this proposal is to implement an autonomous swath bathymetry survey capability aboard an unmanned undersea vehicle (UUV) using a hybrid sonar that combines the high spatial resolution of a focused multibeam echo sounder in a sector spanning +/-30 deg about nadir with the… more
Abstract:The heat flow probe directly answers requirements in the topic: S1.11 Lunar Science Instruments and Technology: "Geophysical Measurements: Systems, subsystems, and components for heat flow sensorsÂ?"
The primary objective of the Phase I/II is to develop TRL6, robust,… more
Abstract:…rge depth and limited temperature range. Advances in composite construction techniques and magnetic bearing technology are bringing Attitude Control System (ACS) components like Reaction Wheels and CMG's closer to serving in a secondary capacity as energy storage devices… more
Abstract:… temperatures above 4.2 K. Winding schemes will be evaluated best suited to Nb3Sn wire, but a single piece length is favored. Paying attention to the request for the development of coil manufacturing techniques, we plan to make extensive use of both electromagnetic and thermal… more
Abstract:Durable high temperature materials are required for reusable hypersonic structural thermal protection systems. In particular, temperatures exceeding 2700ÂºF, and approaching 3000ÂºF, are targeted for capable structural materials that can survive stresses on the order of 10… more
Abstract:Durable high temperature materials are required for structural thermal protection systems (TPS) that exhibit a structural load carrying capability at temperatures in excess of 2700ÂºF. Fabrication times and costs are challenging for high acreage applications such as a… more
Abstract:… and analyzed. Each subcomponent design is an integrated engineering effort where analytic modeling approaches capable of predicting the effects of design features and manufacturing processes on component performance and durability are developed and validated by … more
Abstract:…, layout and fabricate an IC combining ADC with digital readout circuitry, and measure ADC performance with RF tones and an RF comb to simulate the frequency-multiplexed output of a sensor array. We will also assess the digital readout system for noise and thermal budget,… more
Abstract:… developing sealants for high operating temperature applications. In 2004, HMC performed preliminary research and testing to develop high temperature joint sealants. HMC engineers developed a novel method for compounding concrete joint sealants that provided high heat… more
Abstract:…ive design and R & amp;D done for MAFF to apply to a compact subcritical reactor (CAMI). The main idea of this project is to build on the MAFF design experience and develop similar system using CAMI (Compact Accelerator-driven Multiplier for Isotopes) as the source of … more
Abstract:… railguns. The cable terminations will be designed to integrate with the limited space allowed at the launcher for these electrical connections. At the completion of Phase I, we will have: designed, built, and tested a prototype coaxial cable to meet the thermal demands… more
Abstract:…. As the carbides form during carburizing, the alloying elements responsible for much of the corrosion resistance are removed from solution. When the alloying elements are tied up in carbide phases, the corrosion protection is drastically reduced. With the current thermal… more
Abstract:…acks to predict the onset of detonation. The RocSDT code will become a module within a larger computational system for integrated modeling of energetic materials at the meso- and macroscales known as IMSim (Insensitive Munitions Simulation). Determining the thermal and… more
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