Keyword: Off-board energy sources

Articles: Energy

You might think a wind turbine would have more in common with a plane’s propeller than an aircraft wing, but wind blades...

Briefs: Energy

CgWind is a new, high-fidelity simulation tool designed to meet the modeling requirements of advanced wind energy resources. These new resources, targeting 20% of the US...

Briefs: Energy

An enhanced thin-film silicon photovoltaic device with improved efficiency has been developed. Thin-film silicon solar cells suffer from low material absorption...

Articles: Manufacturing & Prototyping

The Create the Future Design Contest was launched in 2002 by the publishers of NASA Tech Briefs to help stimulate and reward engineering innovation. The competition has attracted...

Briefs: Mechanical & Fluid Systems
Wireless Inductive Power Device Suppresses Blade Vibrations

Vibration in turbomachinery can cause blade failures and leads to the use of heavier, thicker blades that result in lower aerodynamic efficiency and increased noise. Metal and/or composite fatigue in the blades of jet engines has resulted in blade destruction and loss of lives....

Briefs: Materials

A lift-gas cracker (LGC) is an apparatus that generates a low-molecular-weight gas (mostly hydrogen with smaller amounts of carbon monoxide and/or carbon dioxide) at low gauge pressure by...

Briefs: Energy

The High Altitude Airship (HAA) has various application potential and mission scenarios that require onboard energy harvesting and power distribution systems. The power...

Briefs: Mechanical & Fluid Systems
Crane Brake Release Tool

At the Rotation, Processing and Surge Facility (RPSF), the Solid Rocket Booster (SRB) segments are processed after they arrive by rail prior to a Shuttle launch. Using overhead bridge cranes capable of lifting up to 200 tons, the engineers remove the rail cover of the SRB segments, inspect the propellant grain and metal...

Briefs: Physical Sciences
Wide-Range Neutron Detector for Space Nuclear Applications

A digital, wide-range, neutron detection (WRND) system in a compact, VME form factor monitors neutron activity within the core of a nuclear reactor across the reactor’s entire operating range, from 1.0 n/cm2/s up to 1010 n/cm2/s. This allows for a...

Briefs: Energy
High-Resolution Wind Measurements for Offshore Wind Energy Development

A mathematical transform, called the Rosette Transform, together with a new method, called the Dense Sampling Method, have been developed. The Rosette Transform is invented to apply to both the mean part and the fluctuating part of a targeted radar signature using the Dense...

Briefs: Manufacturing & Prototyping
Corrosion-Resistant Container for Molten-Material Processing

In a carbothermal process, gaseous methane is passed over molten regolith, which is heated past its melting point to a temperature in excess of 1,625 °C. At this temperature, materials in contact with the molten regolith (or regolith simulant) corrode and lose their structural...

Briefs: Mechanical & Fluid Systems

During the early development stage of balloon deployment systems for missions, nichrome wire cable cutters were often used in place of pyro-actuated cutters. Typically, a nichrome wire is wrapped around a...

Articles: Manufacturing & Prototyping
BreezeRite Air Filtration Module Rob Luchsinger
Pipe Creek, TX

BreezeRite, an indoor air modular filtration system, attaches to new or existing ceiling fans,...

Articles: Mechanical & Fluid Systems

(Winner of an HP Workstation)

High-Flow Lift Pump

Eric Foy

Central Point, OR

Apump is often needed, particularly in the act of...

Articles: Green Design & Manufacturing

(Winner of an HP Workstation)

Sustainable, Durable Bridges of the Future

Ibrahim Al-Khattat

Talacre, Wales, United Kingdom

Alight,...

Articles: Green Design & Manufacturing

You might think a wind turbine would have more in common with a plane’s propeller than an aircraft wing, but wind blades actually...

Briefs: Electronics & Computers
Method and Circuit for In-Situ Health Monitoring of Solar Cells in Space

This innovation represents a method and circuit realization of a system designed to make in-situ measurements of test solar-cell operational parameters on orbit using readily available high-temperature and high-ionizing-radiation-tolerant electronic components. This...

Briefs: Physical Sciences
Large-Format AlGaN PIN Photodiode Arrays for UV Images

A large-format hybridized AlGaN photodiode array with an adjustable bandwidth features stray-light control, ultra-low dark-current noise to reduce cooling requirements, and much higher radiation tolerance than previous technologies. This technology reduces the size, mass, power, and cost of...

Who's Who: Aerospace

In 2001, NASA engineer Michael Ewert developed and patented a unique solar-powered vapor-compression refrigeration system that...

Articles: Photonics/Optics

The basic function of a photovoltaic cell is to convert input — sunlight energy expressed in irradiance (W/m2) — into output — useable electrical power — with as little loss as possible. To...

Briefs: Materials
Magnesium Diboride Current Leads

A recently discovered superconductor, magnesium diboride (MgB2), can be used to fabricate conducting leads used in cryogenic applications. Discovered to be superconducting in 2001, MgB2 has the advantage of remaining superconducting at higher temperatures than the previously used material,...

Articles: Energy

In just the last few years, innovation in alternative-energy technologies have gained significant footholds in product development lifecycles and are rapidly changing our individual...

Articles: Energy
Optimized Power Devices Enable Energy Efficient Solar Inverters and Micro-Converters

As the demand for greener appliances and consumer products soars across the globe, and energy savings becomes a global phenomenon (and necessity) in residential and commercial environments, solar and wind power technologies have begun to proliferate in cities...

Briefs: Energy
Most wind farms consist of horizontal axis wind turbines (HAWTs), but an alternative paradigm for wind energy extraction is found in vertical axis wind turbine (VAWT) designs. A single spatially-isolated VAWT has a significantly lower power coefficient.
Briefs: Manufacturing & Prototyping
More About N₂O-Based Propulsion and Breathable-Gas Systems

A concept was evaluated of using nitrous oxide as (1) a monopropellant in thrusters for space suits and spacecraft and (2) a source of breathable gas inside space suits and spacecraft, both by exploiting the controlled decomposition of N2O into N2 and...

Briefs: Energy

A shielded radiator integrated within a solar concentrator was developed by Lockheed Martin Space Systems for applications that require protection from high ambient temperatures with little...

Articles: Electronics & Computers

Proper thermal design of any electronics-based system is key to its long-term reliability. NASA engineering expertise in this area is renowned. The International Space Station (ISS)...

Articles: Energy

The increasing cost of fuel and U.S. dependency on foreign fuel supplies has renewed interest in conserving energy and in generating electric power using...

Application Briefs: Sensors/Data Acquisition
Genesis HighSpeed data acquisition products
HBM
Marlborough, MA
800-578-4260
www.hbm.com/highspeed

In order to protect the space shuttle from lightning strikes...