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  1. Alternate-Fueled Combustor-Sector Emissions

    Abstract: In order to meet rapidly growing demand for fuel, as well as address environmental concerns, the aviation industry has been testing alternate fuels for performance and technical usability...
  2. Alternate-Fueled Combustor-Sector Performance

    Abstract: In order to realize alternative fueling for military and commercial use, the industry has set forth guidelines that must be met by each fuel. These aviation fueling requirements are...
  3. 3D Normal Human Neural Progenitor Tissue-Like Assemblies: A Model of Persistent VZV Infection

    Abstract: Varicella-zoster virus (VZV) is a neurotropic human alphaherpesvirus that causes varicella upon primary infection, establishes latency in multiple ganglionic neurons, and can reactivate to...
  4. Examples of NASA@work Challenges

    Abstract: No abstract available

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  5. Towards Probablistic Assessment of Hypobaric Decompression Sickness Treatment

    Abstract: INTRODUCTION: Pressure, oxygen (O2), and time are the pillars to effective treatment of decompression sickness (DCS). The NASA DCS Treatment Model links a decrease in computed bubble volume...
  6. Unit-Sphere Anisotropic Multiaxial Stochastic-Strength Model Probability Density Distribution for the Orientation of Critical Flaws

    Abstract: Models that predict the failure probability of monolithic glass and ceramic components under multiaxial loading have been developed by authors such as Batdorf, Evans, and Matsuo. These...
  7. Oxygen Permeability and Grain-Boundary Diffusion Applied to Alumina Scales

    Abstract: High-temperature oxygen permeability measurements had determined grain-boundary diffusivities (deltaD(sub gb)) in bulk polycrystalline alumina (Wada, Matsudaira, and Kitaoka). They predict...
  8. Thrust Vector Control for Nuclear Thermal Rockets

    Abstract: Future space missions may use Nuclear Thermal Rocket (NTR) stages for human and cargo missions to Mars and other destinations. The vehicles are likely to require engine thrust vector...
  9. High-Order Methods for Computational Fluid Dynamics: A Brief Review of Compact Differential Formulations on Unstructured Grids

    Abstract: Popular high-order schemes with compact stencils for Computational Fluid Dynamics (CFD) include Discontinuous Galerkin (DG), Spectral Difference (SD), and Spectral Volume (SV) methods. The...
  10. High-Order Space-Time Methods for Conservation Laws

    Abstract: Current high-order methods such as discontinuous Galerkin and/or flux reconstruction can provide effective discretization for the spatial derivatives. Together with a time discretization,...
  11. Recent Development in the CESE Method for the Solution of the Navier-Stokes Equations Using Unstructured Triangular or Tetrahedral Meshes With High Aspect Ratio

    Abstract: In the multidimensional CESE development, triangles and tetrahedra turn out to be the most natural building blocks for 2D and 3D spatial meshes. As such the CESE method is compatible with...
  12. Development of a High Reliability Compact Air Independent PEMFC Power System

    Abstract: Autonomous Underwater Vehicles (AUV's) have received increased attention in recent years as military and commercial users look for means to maintain a mobile and persistent presence in the...
  13. Jet-Surface Interaction Test: Phased Array Noise Source Localization Results

    Abstract: An experiment was conducted to investigate the effect that a planar surface located near a jet flow has on the noise radiated to the far-field. Two different configurations were tested: 1)...
  14. New Study Outlines 'Water World' Theory of Life's Origins

    http://www.jpl.nasa.gov/images/universe/20140415/astrobiology20140415-226.jpg

    Did life first arise on Earth in warm, gentle springs on the sea floor? Researchers are putting together the...
  15. International Space Station (ISS) Advanced Recycle Filter Tank Assembly (ARFTA)

    Abstract: The International Space Station (ISS) Recycle Filter Tank Assembly (RFTA) provides the following three primary functions for the Urine Processor Assembly (UPA): volume for...
  16. NASA Hosts Media Teleconference to Announce Latest Kepler Discovery

    http://www.jpl.nasa.gov/images/kepler/20100615/kepler20100615-226.jpg

    NASA will host a news teleconference at 11 a.m. PDT (2 p.m. EDT) Thursday, April 17, to announce a new discovery made by its...
  17. Building Better Soybeans for a Hot, Dry, Hungry World

    http://www.jpl.nasa.gov/images/earth/20140415/soybean20140415-226.jpg

    A new study shows that soybean plants can be redesigned to increase crop yields while requiring less water and helping to...
  18. Air-Independent Solid Oxide Fuel Cells for NASA's LOX-CH4 Landers

    Abstract: Gemini, Apollo, and Space Shuttle used fuel cells as main power source for vehicle and water source for life support and thermal PEM (Gemini) and Alkaline (Apollo, Shuttle) fuel cells were...
  19. The Challenges of Developing a Food System for a Mars Mission

    Abstract: No abstract available

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  20. Geologic Interpretation of Data Sets Collected by Planetary Analog Geology Traverses and by Standard Geologic Field Mapping (Part 1. A Comparison Study.)

    Abstract: Geologic maps integrate the distributions, contacts, and compositions of rock and sediment bodies as a means to interpret local to regional formative histories. Applying terrestrial mapping...
  21. International Space Station Noise Constraints Flight Rule Process

    Abstract: Crewmembers onboard the International Space Station (ISS) live in a unique workplace environment for as long as 6 -12 months. During these long-duration ISS missions, noise exposures from...
  22. Dust in the Solar System - Properties and Origins

    Abstract: Interplanetary dust pervades the inner Solar System, giving rise to a prominent glow above the horizon at sunrise and sunset known as the zodiacal light. This dust derives from the...
  23. Benefits, Consequences, and Uncertainties of Conventional (Exercise) Countermeasure Approaches

    Abstract: This presentation will review the pros, cons, and uncertainties of using exercise countermeasures in hypothetical long duration exploration missions. The use of artificial gravity and...
  24. Challenges to Health During Deep Space Exploration Missions

    Abstract: Long duration missions outside of low Earth orbit will present unique challenges to the maintenance of human health. Stressors with physiologic and psychological impacts are inherent in...
  25. Computational Analysis of Apollo Capsule Testing in HIEST Facility

    Abstract: No abstract available

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