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Category: NASA STI

Jig-Shape Optimization of a Low-Boom Supersonic Aircraft

February 20, 2018 admin NASA STI

Abstract: A simple approach for optimizing the jig-shape is proposed in this study. This simple approach is based on an unconstrained optimization problem and applied

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[Micron]ADS-B Detect and Avoid Flight Tests on Phantom 4 Unmanned Aircraft System

February 20, 2018 admin NASA STI

Abstract: Researchers at the National Aeronautics and Space Administration Armstrong Flight Research Center in Edwards, California and Vigilant Aerospace Systems collaborated for the flight-test demonstration

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Drought Information Supported by Citizen Scientists (DISCS)

February 16, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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NASA’s Short-term Prediction Research and Transition (SPoRT) Center: A Paradigm for Transitioning Research into Operations

February 16, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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LAVA Simulations for the 3rd AIAA CFD High Lift Prediction Workshop with Body Fitted Grids

February 16, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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Human-Automation Allocations for Current Robotic Space Operations

February 16, 2018 admin NASA STI

Abstract: Within the Human Research Program, one risk delineates the uncertainty surrounding crew working with automation and robotics in spaceflight. The Risk of Inadequate Design

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Development of Multi-Sensor Global Cloud and Radiance Composites for DSCOVR EPIC Imager with Subpixel Definition

February 15, 2018 admin NASA STI

Abstract: The Deep Space Climate Observatory (DSCOVR) enables analysis of the daytime Earth radiation budget via the onboard Earth Polychromatic Imaging Camera (EPIC) and National

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CALIOP Level 3 Ice Cloud Product

February 15, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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Aerosol Optical Depth Changes in Version 4 CALIPSO Level 2 Product

February 15, 2018 admin NASA STI

Abstract: The Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) version 4.10 (V4) products were released in November 2016 with substantial enhancements. There have been improvements in

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Global Measurements of Optically Thin Ice Clouds Using CALIOP

February 15, 2018 admin NASA STI

Abstract: Optically thin ice clouds have been shown to have a net warming effect on the globe but, because passive instruments are not sensitive to

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On the Limitations of Variational Bias Correction

February 13, 2018 admin NASA STI

Abstract: Satellite radiances are the largest dataset assimilated into Numerical Weather Prediction (NWP) models, however the data are subject to errors and uncertainties that need

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The PMIP4 Contribution to CMIP6-Part 4: Scientific Objectives and Experimental Design of the PMIP4-CMIP6 Last Glacial Maximum Experiments and PMIP4 Sensitivity Experiments

February 13, 2018 admin NASA STI

Abstract: The Last Glacial Maximum (LGM, 21,000 years ago) is one of the suite of paleoclimate simulations included in the current phase of the Coupled

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Reconciling CloudSat and GPM Estimates of Falling Snow

February 13, 2018 admin NASA STI

Abstract: Satellite-based estimates of falling snow have been provided by CloudSat (launched in 2006) and the Global Precipitation Measurement (GPM) core satellite (launched in 2014).

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Climatic History of the Northeastern United States During the Past 3000 Years

February 13, 2018 admin NASA STI

Abstract: Many ecosystem processes that influence Earth system feedbacks – vegetation growth, water and nutrient cycling, disturbance regimes – are strongly influenced by multidecadal- to

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Zero-Boil-Off Tank (ZBOT) Experiment: Ground-Based Validation of Self-Pressurization and Pressure Control Two-Phase CFD Model

February 9, 2018 admin NASA STI

Abstract: Integral to all phases of NASA’s projected space and planetary expeditions is affordable and reliable cryogenic fluid storage for use in propellant or life

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International Space Station Lithium-Ion Main Battery Thermal Runaway Propagation Test

February 9, 2018 admin NASA STI

Abstract: In 2010, the ISS Program began the development of Lithium-Ion (Li-Ion) batteries to replace the aging Ni-H2 batteries on the primary Electric Power System

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Assessment of Delivery Accuracy in an Operational-Like Environment

February 9, 2018 admin NASA STI

Abstract: In order to enable arrival management concepts and solutions in a Next Generation Air Transportation System (NextGen) environment, ground-based sequencing and scheduling functions were

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NASA’s GMAO Atmospheric Motion Vectors Simulator: Description and Application to the MISTiC Winds Concept

February 9, 2018 admin NASA STI

Abstract: An atmospheric wind vectors (AMVs) simulator was developed by NASA’s GMAO to simulate observations from future satellite constellation concepts. The synthetic AMVs can then

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The Lynx Mission Concept: 2017 Accomplishments and 2018 Goals

February 1, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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Understanding Changes in Modeled Land Surface Characteristics Prior to Lightning-Initiated Holdover Fire Breakout

February 1, 2018 admin NASA STI

Abstract: Lightning initiated wildfires are only 16% of the total number of wildfires within the United States, but account for 56% of the acreage burned.

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Extreme Temperature Performance of Automotive-Grade Small Signal Bipolar Junction Transistors

January 31, 2018 admin NASA STI

Abstract: Electronics designed for space exploration missions must display efficient and reliable operation under extreme temperature conditions. For example, lunar outposts, Mars rovers and landers,

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GMI-IPS: Python Processing Software for Aircraft Campaigns

January 31, 2018 admin NASA STI

Abstract: NASA’s Atmospheric Tomography Mission (ATom) seeks to understand the impact of anthropogenic air pollution on gases in the Earth’s atmosphere. Four flight campaigns are

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Overview of the Development of the Advanced Electric Propulsion System (AEPS)

January 30, 2018 admin NASA STI

Abstract: NASA is committed to the demonstration and application of high-power solar electric propulsion to meet its future mission needs. It is continuing to develop

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Data, Meet Compute: NASA’s Cumulus Ingest Architecture

January 30, 2018 admin NASA STI

Abstract: NASA’s Earth Observing System Data and Information System (EOSDIS) houses nearly 30PBs of critical Earth Science data and with upcoming missions is expected to

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High Fidelity Modeling of SRP and Its Effect on the Relative Motion of Starshade and WFIRST

January 30, 2018 admin NASA STI

Abstract: In this paper we perform a detailed analysis of how Solar Radiation Pressure (SRP) affects the relative motion of two spacecrafts, the Wide-Field Infrared

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An Analysis of the Speed Commands from an Interval Management Algorithm during the ATD-1 Flight Test

January 30, 2018 admin NASA STI

Abstract: NASA’s first Air Traffic Management Technology Demonstration (ATD-1) successfully completed a nineteen-day flight test under a NASA contract with Boeing, with Honeywell and United

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On the Concept of Random Orientation in Far-Field Electromagnetic Scattering by Nonspherical Particles

January 29, 2018 admin NASA STI

Abstract: Although the model of randomly oriented nonspherical particles has been used in a great variety of applications of far-field electromagnetic scattering, it has never

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ESIP Documentation Cluster Session: GCMD Keyword Update

January 29, 2018 admin NASA STI

Abstract: The Global Change Master Directory (GCMD) Keywords are a hierarchical set of controlled Earth Science vocabularies that help ensure Earth science data and services

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Pisgah Lava Cave Communication Test: Science Case Study for the Networked Constellations Initiative

January 29, 2018 admin NASA STI

Abstract: As part of the science case study for the Networked Constellations initiative, a team of JPL scientists explore the possibility of a mission to

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Analysis and Modeling of Tropical Convection Observed by CYGNSS

January 26, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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2015 Indonesian Fire Activity and Smoke Pollution Show Persistent Non-Linear Sensitivity to El Nino-Induced Drought

January 25, 2018 admin NASA STI

Abstract: The 2015 fire season and related smoke pollution in Indonesia was more severe than the major 2006 episode, making it the most severe season

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Preliminary Assessment of Detection Efficiency for the Geostationary Lightning Mapper Using Intercomparisons with Ground-Based Systems

January 25, 2018 admin NASA STI

Abstract: As part of the calibration/validation (cal/val) effort for the Geostationary Lightning Mapper (GLM) on GOES-16, we need to assess instrument performance (detection efficiency and

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Analysis and Assimilation of CYGNSS Wind Data for Improved Tropical Convection Forecasts

January 25, 2018 admin NASA STI

Abstract: No abstract available Source:: nasa sit 2       

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Impact of GPM Rainrate Data Assimilation on Simulation of Hurricane Harvey (2017)

January 25, 2018 admin NASA STI

Abstract: Built upon Tropical Rainfall Measuring Mission (TRMM) legacy for next-generation global observation of rain and snow. The GPM was launched in February 2014 with

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The Six Streams of the Emerging Scientist

January 24, 2018 admin NASA STI

Abstract: NASA invests in professional coaching as a way to accelerate the development of its staff. The speaker shares one foundational human development model in

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Raman Life Detection Instrument Development for Icy Worlds

January 24, 2018 admin NASA STI

Abstract: The objective of this project is to develop a compact, high sensitivity Raman sensor for detection of life signatures in a flow cell configuration

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Enzymatic Activity Detection via Electrochemistry for Enceladus

January 24, 2018 admin NASA STI

Abstract: Electrochemical detection of biological molecules is a pertinent topic and application in many fields such as medicine, environmental spills, and life detection in space.

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Electrochemical Detection of the Molecules of Life

January 24, 2018 admin NASA STI

Abstract: All forms of life on Earth contain cellular machinery that can transform and regulate chemical energy through metabolic pathways. These processes are oxidation-reduction reactions

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Predictive Modeling of Fast-Curing Thermosets in Nozzle-Based Extrusion

January 22, 2018 admin NASA STI

Abstract: This work presents an approach to modeling the dynamic spreading and curing behavior of thermosets in nozzle-based extrusions. Thermosets cover a wide range of

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Elastomeric Sensing of Pressure with Liquid Metal and Wireless Inductive Coupling

January 22, 2018 admin NASA STI

Abstract: This project describes resistance-based soft sensors filled with liquid metal, which permit measurements of large strains (0 percent to 110 percent), associated with small

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