Abstract: Roughness is unavoidable on practical high-speed vehicles, so it is critical to determine its impact…
Author: New NASA STI
Direct Numerical Simulation of Flows over an NACA-0012 Airfoil at Low and Moderate Reynolds Numbers
Abstract: Direct numerical simulations (DNS) of flow over an NACA-0012 airfoil are performed at a low…
Parametric Structural Model for a Mars Entry Concept
Abstract: This paper outlines the process of developing a parametric model for a vehicle that can…
Landsat Program
Abstract: Landsat initiated the revolution in moderate resolution Earth remote sensing in the 1970s. With seven…
The ASTRO-H (Hitomi) X-Ray Astronomy Satellite
Abstract: The Hitomi (ASTRO-H) mission is the sixth Japanese X-ray astronomy satellite developed by a large…
Tropospheric Ozone Change from 1980 to 2010 Dominated by Equatorward Redistribution of Emissions
Abstract: Ozone is an important air pollutant at the surface, and the third most important anthropogenic…
Optical and Physical Methods for Mapping Flooding with Satellite Imagery
Abstract: Flood and surface water mapping is becoming increasingly necessary, as extreme flooding events worldwide can…
TESSIM: A Simulator for the Athena-X-IFU
Abstract: We present the design of tessim, a simulator for the physics of transition edge sensors…
The X-Ray Polarimeter Instrument on Board the Polarimeter for Relativistic Astrophysical X-Ray Sources (PRAXyS) Mission
Abstract: The Polarimeter for Relativistic Astrophysical X-ray Sources (PRAXyS) is one of three Small Explorer (SMEX)…
Performance Assessment of Different Pulse Reconstruction Algorithms for the ATHENA X-Ray Integral Field Unit
Abstract: The X-ray Integral Field Unit (X-IFU) microcalorimeter, on-board Athena, with its focal plane comprising 3840…