Briefs: Medical
Assessment of Microbial Bioburden Within Aerogel Matrices

A makeshift apparatus has been designed composed of a sealed, hydrophobic 2-propanol/SiO2 aerogel component to filter outside air particles. Following verification and assessment, the apparatus was crafted with a Buchner funnel. Aerogel matrices were tightly fitted into filter...

Briefs: Information Technology
The Advanced Data Analytics Platform (ADAPT): Concept, Design, Architecture, and Operation

NASA scientists are uniquely positioned to research and understand the processes affecting the Earth’s climate. To study these important processes, scientists must address the Big Data challenges posed by working with massive amounts of observational and...

Question of the Week
Will "Antipodes" take off?

This week's Question: Canadian industrial designer Charles Bombardier has developed an aircraft concept that, in theory, could send passengers from London to New York in 11 minutes. The "Antipode" would have a scramjet engine and wings fitted with rocket boosters, propelling the aircraft to 40,000 feet and enabling the...

Briefs: Information Technology
Orion Heat Shield Thermal Mapping Tool

The Orion Heat Shield Mapping Tool collects data from a set of output files from various re-entry thermal response codes, interpolates the data, and maps the analysis code data onto a finely meshed finite element model.

The Ground Systems Development and Operations (GSDO) Smart Firing Room Project aims to create a firing room using cutting-edge technologies of today that...

The Design Reference Mission (DRM) tool was developed to support the Exo-Starshade (Exo-S) Science and Technology Definition Team for modeling both the Dedicated (30-m...

Briefs: Information Technology
Data Parallel Line Relaxation Code (DPLR) Version 3.05

The Reacting Flow Environments branch at NASA ARC is interested in characterizing the aerothermal environment of three main classes of problem: planetary entry vehicles, reusable launch vehicles (RLVs), and arc-jet (or other ground test) flow simulations. Each of these problem classes has...

Briefs: Information Technology
Front End Data System (FEDS) Version 10.0

In traditional missions at NASA, ground systems were normally custom-built for each project. Additionally, there would be separate ground systems for each part of the spacecraft as well as a totally separate ground system for mission operations. Each of these generally interfaced through non-standard...

Briefs: Information Technology
Link Complexity Scheduling Algorithm

NASA’s Deep Space Network (DSN) provides communication and other services for planetary exploration for both NASA and international users. The DSN operates antennas at three complexes in California, Spain, and Australia, with the longitudinal distribution of the complexes enabling full sky coverage and...

Briefs: Information Technology
BUMPER-CEV Micrometeoroid and Orbital Debris Risk Assessment Code Rev. A

BUMPER-CEV Version 1.71 is used to perform micrometeoroid/orbital debris (MMOD) risk assessments for the Orion Multi-Purpose Crew Vehicle (MPCV) spacecraft. BUMPER is the primary risk analysis program used by NASA to provide for reliable and safe operations of spacecraft...

Briefs: Information Technology
Advanced Numerical Integration Techniques for High-Fidelity SDE Spacecraft Simulation

Simulation study is an integral part of the validation of navigation algorithms for spacecraft. While it is possible to come up with an estimate of a navigation algorithm’s performance with a low-fidelity system model, the mathematical analysis is intractable...

One of the crucial ground structures employed at the launch pad during the Space Shuttle program is the rainbird nozzle system, whose primary objective is to...

Briefs: Information Technology
Seismometer Simulation Software

Seismometer Simulation Software (SEISim) is written to provide a simulation for the seismometer instrument in the Insight (Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport) mission so that flight software developers can use it to develop and test their software applications. It can...

Numerical simulations of plume impingement heating to the International Space Station (ISS) and its visiting vehicles require a specific way to...

Briefs: Software
Submersible Phase Change Float Sizing

This software allows sizing of submersibles powered by hydraulic generators that are pressurized by ocean thermal gradients at various depths. The software allows the operator to input the fixed size of the vessels containing the phase change material (PCM). The effective expansion of the PCM is also input,...

Briefs: Software
Method for Evaluating the Pneumatic Hammer Stability of a Fluid-Film Bearing Using CFD

This invention relates to a fluid film bearing and a process for evaluating pneumatic hammer instability. Based on the stability criteria, a method was developed using 3D CFD (computational fluid dynamics) evaluation dynamics to evaluate the onset of pneumatic...

Briefs: Information Technology
DAWN: a Simulation Model for Evaluating Costs and Tradeoffs of Big Data Science Architectures

Data science is emerging as a critical area of research and technology to advance scientific discovery, knowledge, and decision-making through systematic computational approaches to analyzing massive data sets. The sheer volume of data increase, coupled...

Briefs: Information Technology
Auxiliary Payload Sensor System Simulation Software

Auxiliary Payload Sensor System Simulation Software (APSSim) provides a simulation of the seismometer used in the Insight (Interior Exploration using Seismic Investigations, Geodesy, and Heat Transport) mission. The software takes recorded or simulated APSS data as an input, preprocesses the...

Briefs: Information Technology
Multiphysics Piezoelectric Finite Element Modeling for Designing a Piezoelectric Damping Treatment for Vibration Control of Rotating Blades

The requirements for advanced aircraft engine components lead to designs that are more lightweight and efficient, yet more susceptible to excessive vibration, complex dynamic behavior, and uncertain...

Briefs: Mechanical & Fluid Systems
Decelerator System Simulation (DSS)

The Crew Exploration Vehicle Parachute Assembly System (CPAS) project conducts computer simulations to verify that requirements on flight performance, parachute loads, and terminal rate of descent are met. The objective of this work was to obtain a high-fidelity simulation of Orion crew capsule flight test...

Briefs: Information Technology
EXOS Software

An improved version of EXOS software allows for the modeling of fabrics, mixtures, and porous materials, and also provides the ability to accept hex mesh geometries. The code employs a novel numerical method, a hybrid particle finite element approach, as well as particles and elements in tandem, each modeling distinct aspects of...

Briefs: Sensors/Data Acquisition
Wireless Multi-Walled Carbon Nanotube Microwave Heater System Using RFID-Based Temperature Feedback

This innovation has two main parts — a wireless, flexible film heater containing multi-walled carbon nanotubes (MWCNTs) to convert radiated microwave energy into heat, and a radio frequency identification (RFID) temperature sensor to provide...

Briefs: Sensors/Data Acquisition
Sub-Audible Speech Recognition Based on Electromyographic (EMG) Signals

Sub-audible speech is a new form of human communication that uses tiny neural impulses (EMG signals) in the human vocal tract instead of audible sounds. These EMG signals arise from commands sent by the brain’s speech center to tongue and larynx muscles that enable...

Briefs: Manufacturing & Prototyping
Precision Detector Conductance Definition via Ballistic Thermal Transport

The characteristics of a thermal detector, such as sensitivity, response time, and saturation power (or energy resolution), are functions of the thermal conductance of the detector to its cryogenic environment. The thermal conductance is specified to achieve a tradeoff...

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial...

Articles: Aerospace
FAA and Drone Control

Since the early 1990s, unmanned aircraft systems (UAS) have operated on a limited basis in the National Airspace System (NAS). Until recently, UAS mainly supported public operations, such as military and border security...

Technology used to capture carbon dioxide in the Martian atmosphere can save brewers money.

Building on work he and his companies did with Johnson Space Center’s In Situ Resource Utilization...

Comet software
Comet Solutions
Cincinnati, OH
513-588-2773
www.cometsolutions.com

A Structural-Thermal-Optical-Performance (STOP) analysis is an...

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