Keyword: Spacecraft

Briefs: Aerospace
Real-Time, Fuel-Optimal, Powered Descent Guidance Using Interpolated Time-of-Flight and Propellant Mass

Soft landing using rockets requires a trajectory to be planned for the lander from rocket ignition — typically several kilometers in altitude and moving at up to 200 m/s — to the point near the surface with near-zero velocity. The exact...

Briefs: Software
Small-Body Dynamics Toolkit Version 5.0

The Small-Body Dynamics Toolkit (SBDT) v5.0 is a collection of primitive-body-specific trajectory design and analysis tools written in MATLAB®. The SBDT gives the user the capabilities to propagate, analyze, and visualize spacecraft trajectories and the dynamical environment near realistic asteroid,...

Briefs: Aerospace
Sublimable Propellant Source for Iodine-Fed Ion Propulsion System

NASA Marshall has developed a system for generating iodine vapor from solid iodine for use as a propellant in a Hall or ion thruster propulsion system. Xenon has generally been the preferred propellant for these spacecraft ion propulsion systems but more recently, iodine-based...

Briefs: Software
Effects of Reynolds and Mach Numbers in Large Eddy Simulation of Supersonic Round Jets

Rockets/landers arrive on the Moon with supersonic speed and impact lunar regolith. There is no reliable software to computationally simulate in an effective way the supersonic plumes escaping from these rockets/devices. A Large Eddy Simulation (LES) model and...

Briefs: Test & Measurement
CHEBY Toolkit for Processing and Editing Chebyshev Files

This software fits trajectory ephemerides and thrust profiles with a Chebyshev polynomial representation, and stores this fit in data files suitable for upload to a spacecraft. In addition, a number of utility modules are provided to assist with inspection and diagnosis of issues with data...

Briefs: Mechanical & Fluid Systems

Innovators at NASA's Glenn Research Center have designed a superior seal assembly that is durable and highly dependable in extremely harsh environments. This...

Application Briefs: Imaging
RED
Irvine, CA
www.red.com

NASA and the European Space Agency (ESA) have delivered the first 8K ultra-high-definition (UHD) video of astronauts living, working, and...

Briefs: Materials
New Material Composition Withstands Extreme Impact and Temperature

A super-strong alloy of copper and tantalum was created that can withstand extreme impact and temperature, providing high strength and good electrical conductivity. The alloy is a model system with structure that can be passed on to other alternative material systems. Materials...

Facility Focus: Electronics & Computers

NASA's Johnson Space Center (JSC) has been a leader in human space exploration for more than half a century. Established in 1961 in Houston, TX as the Manned Spacecraft Center, the center...

Briefs: Motion Control

The Inductive Non-Contact Position Sensor is a highly accurate sensor for motion control applications. The sensor was designed to monitor the precise movements of an optical inspection system that...

Briefs: Imaging

An advanced, highly compact thermal camera that traces its heritage to one now flying on NASA's Landsat 8 has been mounted in a corner of NASA's...

Application Briefs: Software

Attitude detection is a crucial element in aircraft and spacecraft navigation. The motion of an aircraft consists of a translational component (motion of its center of mass with respect to...

Articles: Electronics & Computers
DETECTING PLASTIC LANDMINES

Hidden PFM-1 anti-personnel landmines are unexploded ordnance (UXO) devices that pose a difficult challenge to conventional...

Articles: Green Design & Manufacturing

For six decades, NASA has led the peaceful exploration of space, making discoveries about our planet, our solar system, and our universe. At home, NASA research has made great advances in aviation,...

Articles: Aerospace

The first “A” in NASA stands for aeronautics — the science of travel through the air. It's as much about flying on airplanes and arriving safely at a destination as it is about astronauts in space. NASA's roots...

Articles: Test & Measurement
NASA at 60: Celebrating Success

Over the past 60 years, NASA scientists and engineers have developed many advanced technologies and processes. But NASA has also partnered with industry, using commercially available products to complete its missions. Here, some of those companies join NASA in celebrating these collaborative successes.

Articles: Green Design & Manufacturing

The benefits of NASA's space exploration efforts are not limited to the cosmos. NASA technologies provide innovative solutions for people around the world. NASA missions have generated thousands of spinoffs...

Briefs: Materials
High-Kinetic-Energy Penetrator Shielding and High-Wear-Resistance Materials Fabricated with Boron Nitride Nanotubes and BNNT Polymer Composites

In recent years, anti-penetration materials have been more widely used for armor, bulletproof vests, and micrometeoroid and orbital debris protection layers for space-suits, space vehicles, and...

Application Briefs: Test & Measurement
Stanford Research Systems
Sunnyvale, CA
www.thinksrs.com

The Robotic External Leak Locator (RELL) — a collaboration between NASA's Johnson Space Center and Goddard Space Flight...

Briefs: Test & Measurement
Carbon Dioxide Collection and Pressurization Technology

Mars is the ultimate destination for NASA's human exploration program. In Situ Resource Utilization (ISRU) is a key technology required to enable such missions. The goals of using resources available at the exploration site are to reduce launch and delivered mass, reduce risk and cost,...

Articles: Photonics/Optics

While widely used for terrestrial medical applications, handheld blood analyzers are not suitable for space missions due to the short shelf-life of...

Application Briefs: Test & Measurement
Air Force Research Laboratory (AFRL)
Wright-Patterson Air Force Base, OH
www.wpafb.af.mil/afrl

Mars rovers are sophisticated, multi-instrumented pieces of equipment that travel...

Briefs: Electronics & Computers
Piezoelectric Thrust Vector Control for Hall Effect Thruster

The design of the CubeSat required precision pointing of the thrust vector through the spacecraft center of gravity to minimize fuel usage for attitude correction. Because the center of gravity shifts over the course of the mission, a means of adjusting the thrust vector was needed....

Briefs: Sensors/Data Acquisition

What had been a peaceful and productive mission for the six men aboard the Russian space station Mir, including U.S. astronaut Jerry Linenger, nearly became a tragic...

Briefs: Aerospace
Modification of SURFICE Code

As part of the continued thermal support for the Space Launch System (SLS) program, MSFC is constantly developing or modifying software tools to aid in analytical efforts to solve thermal issues and problems posed by the project. In some cases, existing software used by previous heritage programs provides an...

NASA Spinoff: Nanotechnology

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields of health...

Application Briefs: Test & Measurement
Collier Research Corporation
Newport News, VA
www.hypersizer.com

With the go-ahead from NASA for a first mission to the International Space Station (ISS), the Sierra...

Application Briefs: Data Acquisition
SAKOR Technologies
Owosso, MI
www.sakor.com

SAKOR Technologies supplied a test system to Southwest Research Institute® (SwRI) to be used to test the...

Facility Focus: Materials

The Air Force Research Laboratory (AFRL), headquartered at Wright-Patterson Air Force Base in Ohio, was formed in October 1997 through the consolidation of four former Air Force laboratories and the Air Force...