Green Design

Complementary Barrier Infrared Detector

The complementary barrier infrared detector (CBIRD) is designed to eliminate the major dark current sources in a superlattice infrared detector. The concept can also be applied to bulk semiconductor-based infrared detectors. These detectors can be used in infrared imaging cameras in manufacturing process monitoring, environmental monitoring, and medical imaging.

Posted in: Environmental Monitoring, Green Design & Manufacturing, Briefs, GDM

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A Step Toward Producing Plastic from Biomass

Researchers with Berkeley Lab and the University of California (UC) Berkeley have discovered a mild and relatively inexpensive procedure for removing oxygen from biomass. This procedure, if it can be effectively industrialized, could allow many of today’s petrochemical products, including plastics, to instead be made from biomass.

Posted in: Alternative Fuels, Green Design & Manufacturing, Biomass, Renewable Energy, Energy, News, GDM

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Designing the First Fully Sustainable Block in the U.S.

In the near future, a crumbling parking lot in downtown Dallas, Texas will be the location of the first fully sustainable, urban square block in the United States. Re:Vision Dallas is the sixth competition in a series from the San Francisco, California-based organization, Urban Re:Vision – a group of people focused on changing the urban landscape by re-imagining the components which make up a city block.

Posted in: Building Technologies, Remediation Technologies, Green Design & Manufacturing, Geothermal Power, Solar Power, Wind Power, Renewable Energy, Energy, Articles, Features, GDM

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Electrocatalytic Reduction of Carbon Dioxide to Methane

A room-temperature electrocatalytic process has been investigated as a means of removing carbon dioxide from air and restoring oxygen to the air. The process was originally intended for use in a spacecraft life-support system, but may also have potential utility in applications on Earth in which the methane and oxygen produced might be utilized or vented to the atmosphere.

Posted in: Remediation Technologies, Green Design & Manufacturing, Briefs, GDM

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Tele-Supervised Adaptive Ocean Sensor Fleet

The Tele-supervised Adaptive Ocean Sensor Fleet (TAOSF) is a multi-robot science exploration architecture and system that uses a group of robotic boats to enable in-situ study of ocean surface and subsurface characteristics. TAOSF can study dynamics of ocean phenomena such as coastal pollutants, oil spills, hurricanes, or harmful algal blooms.

Posted in: Climate, Pollution, Environmental Monitoring, Green Design & Manufacturing, Briefs, GDM

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Utilizing Ocean Thermal Energy in a Submarine Robot

A proposed system would exploit the ocean thermal gradient for recharging the batteries in a battery-powered unmanned underwater vehicle (UUV) of a type that has been deployed in large numbers to research global warming. A UUV of this type travels between the ocean surface and depths, measuring temperature and salinity.

Posted in: Batteries, Electronics & Computers, Alternative Fuels, Green Design & Manufacturing, Geothermal Power, Renewable Energy, Energy, Briefs, GDM

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Alternative OTEC Scheme for a Submarine Robot

An alternative system for exploiting the ocean thermal gradient to generate power would be based on the thawing-expansion/freezing-contraction behavior of a wax, or perhaps another suitable phase-change material. The power generated by this system would be used to recharge the batteries in a battery-powered unmanned underwater vehicle.

Posted in: Batteries, Electronics & Computers, Alternative Fuels, Green Design & Manufacturing, Geothermal Power, Renewable Energy, Energy, Briefs, GDM

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