Keyword: Scale models

Briefs: Manufacturing & Prototyping

The use of additive manufacturing technologies in aerospace applications has presented both opportunities and challenges. The ability to produce parts and...

Briefs: Physical Sciences
Planar Superconducting Millimeter-Wave/Terahertz Channelizing Filter

This innovation is a compact, superconducting, channelizing bandpass filter on a single-crystal (0.45 μm thick) silicon substrate, which operates from 300 to 600 GHz. This device consists of four channels with center frequencies of 310, 380, 460, and 550 GHz, with...

Briefs: Software
Robotics On-Board Trainer (ROBoT)

ROBoT is an on-orbit version of the ground-based Dynamics Skills Trainer (DST) that astronauts use for training on a frequent basis. This software consists of two primary software groups. The first series of components is responsible for displaying the graphical scenes. The remaining components are responsible...

Articles: Software

Automotive design is going through one of its most profound changes since the gasoline engine eclipsed steam power. Fuel prices and growing environmental concerns have...

Briefs: Medical

An improved method for culturing immature muscle cells (myoblasts) into a mature skeletal muscle overcomes some of the notable limitations of prior culture methods....

Briefs: Information Technology
Automated 3D Damaged Cavity Model Builder for Lower Surface Acreage Tile on Orbiter

The 3D Automated Thermal Tool for Damaged Acreage Tile Math Model builder was developed to perform quickly and accurately 3D thermal analyses on damaged lower surface acreage tiles and structures beneath the damaged locations on a Space Shuttle Orbiter. The 3D...

Articles: Electronics & Computers

Intel’s new Sandy Bridge microarchitecture is changing how software applications run and perform on server platforms. In order for applications to tap the full power of these new devices,...

Briefs: Manufacturing & Prototyping

The Flexible Array Concentrator Technology (FACT) is a lightweight, high-performance reflective concentrator blanket assembly that can be used on flexible solar array blankets. The FACT concentrator replaces every...

Briefs: Mechanical & Fluid Systems
A Superfluid Pulse Tube Refrigerator Without Moving Parts for Sub-Kelvin Cooling

A report describes a pulse tube refrigerator that uses a mixture of 3He and superfluid 4He to cool to temperatures below 300 mK, while rejecting heat at temperatures up to 1.7 K. The refrigerator is driven by a novel thermodynamically...

Briefs: Physical Sciences
The Mobile Chamber

A document discusses a simulation chamber that represents a shift from the thermal-vacuum chamber stereotype. This innovation, currently in development, combines the capabilities of space simulation chambers, the user-friendliness of modern-day electronics, and the modularity of plug-and-play computing. The Mobile Chamber is a...

Briefs: Mechanical & Fluid Systems

Over-center mechanisms were used in the orbiter payload bay to lock down the robotic arm during the launch of the space shuttle. These mechanisms were unlocked while in orbit in order to release...

Briefs: Software

Highvoltage.dk is a Danish consulting engineering firm with expertise in lightning protection and high-voltage engineering. The company, founded in 2005, tackles...

Briefs: Software

This software evaluates the terrain within reach of a lander’s robotic arm for dig hazards using a stereo pair of cameras that are part of the lander’s sensor system. A relative level...

Articles: Imaging

The past decade has seen an explosion of observations from airborne and satellite-based multiand hyperspectral sensors, as well as from synthetic-aperture radar and LiDAR. Distilling useful information...

Briefs: Software
Aerosol and Surface Parameter Retrievals for a Multi-Angle, Multiband Spectrometer

This software retrieves the surface and atmosphere parameters of multi-angle, multiband spectra. The synthetic spectra are generated by applying the modified Rahman-Pinty-Verstraete Bidirectional Reflectance Distribution Function (BRDF) model, and a...

Articles: Automotive

IndyCar racing features some of the most technologically sophisticated automobiles in the world today. Weighing just 1,565 pounds and powered by single- or twin-turbocharged 2.2L V6 engines that produce...

Application Briefs: Photonics/Optics

NASA’s latest mission to Mars in November 2011 sent the Mars Science Laboratory rover “Curiosity” to assess whether Mars ever had, or still has, an environment...

Briefs: Materials
Ultra-Lightweight Nanocomposite Foams and Sandwich Structures for Space Structure Applications

Microcellular nanocomposite foams and sandwich structures have been created to have excellent electrical conductivity and radiation-resistant properties using a new method that does not involve or release any toxicity. The nanocomposite structures have...

Application Briefs: Software

NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, CA, has implemented Maple, MapleSim, and MapleNet modeling and simulation software from Maplesoft in its...

Briefs: Software
LEGION: Lightweight Expandable Group of Independently Operating Nodes

LEGION is a lightweight C-language software library that enables distributed asynchronous data processing with a loosely coupled set of compute nodes. Loosely coupled means that a node can offer itself in service to a larger task at any time and can withdraw itself from...

Briefs: Software
Multi-Scale Three- Dimensional Variational Data Assimilation System for Coastal Ocean Prediction

A multi-scale three-dimensional variational data assimilation system (MS-3DVAR) has been formulated and the associated software system has been developed for improving high-resolution coastal ocean prediction. This system helps improve coastal ocean...

Articles: Manufacturing & Prototyping

3Dprinting grabs a lot of attention — as much for its futuristic potential as for what it can do today. Send a 3D printer to the Moon, some imagine, and print out a city. Is your coffee maker dying? Just print...

Briefs: Information Technology
Physics Mining of Multi-Source Data Sets

Powerful new parallel data mining algorithms can produce diagnostic and prognostic numerical models and analyses from observational data. These techniques yield higher-resolution measures than ever before of environmental parameters by fusing synoptic imagery and time-series measurements. These techniques...

Briefs: Software
3D Visualization for Phoenix Mars Lander Science Operations

Planetary surface exploration missions present considerable operational challenges in the form of substantial communication delays, limited communication windows, and limited communication bandwidth. A 3D visualization software was developed and delivered to the 2008 Phoenix Mars Lander...

Application Briefs: Software

Engineers at NASA’s Ames Research Center in Moffett Field, CA, needed to redesign the engine cowling of their Systems Integration Evaluation Remote Research...

Application Briefs: Robotics, Automation & Control

Mechatronics can be defined as the science to optimize the performance and capabilities of machines using a multi-domain synergistic design approach. It is also...

Articles: Software
Sharing 3D Designs: Compatibility is the “Word”

In last year’s roundtable, one of our executives predicted that one day, sharing 3D designs would be as easy as sharing Microsoft Word...

Briefs: Software
High-Performance 3D Articulated Robot Display

In the domain of telerobotic operations, the primary challenge facing the operator is to understand the state of the robotic platform. One key aspect of understanding the state is to visualize the physical location and configuration of the platform. As there is a wide variety of mobile robots, the...

Articles: Robotics, Automation & Control

Reducing design time is critical in engineering because the result is lower costs and faster time to market. Design time often includes a number of non-value-added activities such as re-design,...