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Glenn Highlights Its "Green" Technology

Pictured left: A conceptualization of the ISS and Orion, which will use advanced photovoltaic cell and array technology development. Credit: NASA

In December 2007, NASA Glenn showed off its "green thumb" during the Global Research into Energy and Environment at NASA (GREEN) Forum held at NASA Ames Research Center, Moffett Field, Calif. NASA Ames established the GREEN seminars to increase awareness of environmental issues for Ames employees and their industry and academic colleagues.

As a result of her contributions at an Army Sustainability Workshop, NASA Ames invited Dr. Valerie Lyons, chief of the Power and In-Space Propulsion Division, to present an overview of NASA Lewis/Glenn past, present and future contributions to the development of renewable energy technologies for space and terrestrial applications.

The presentation sparked such positive response at the GREEN forum that Lyons repeated it for Glenn employees on March 4. Some of the center's renewable projects currently underway are highlighted below in recognition of the upcoming national Earth Day celebration (April 22) and Glenn's Environmental Awareness activities.

Alternative Fuels

An Alternative Fuel Research Laboratory, funded under the Fundamental Aeronautics Research Program, is housed within the center's recently remodeled Heated Tube Facility to conduct alternative fuels utilizing the Fisher-Tropsch (FT) process. Glenn leads NASA's research effort to convert some of the nation's natural energy sources--coal, natural gas (methane), biomass and shale oil--into a cleaner and more economical alternative to traditional commercial jet fuel.
Biofuels made from sustainable biomass growths in salt water are being studied to conserve energy, freshwater and farm lands. The center is currently planning to produce these fuels and test their performance.
Photovoltaics and Solar Energy

Using solar arrays to generate renewable electricity has long been a Lewis/Glenn showcase technology. Entire villages in 27 developing countries--Tunisia (northern Africa), Gabon (equatorial Africa), the Marshall Islands (Pacific Ocean) and others--were powered with NASA photovoltaic systems in the 1970s and 1980s spun off from the space PV research to demonstrate alternative means of electrical energy. Glenn is working on PV technology in support of the Exploration Program. PV arrays are also being tied to the power grid to generate electricity as part of the center's "green" efforts.
Glenn will pioneer the use of coupled solar energy and advanced ground source heat pump technology in five buildings to reduce energy use and emissions as part of the center's Master Plan beginning in 2008.
Pictured right: Glenn is an advisor for this 5 MW Stirling utility project in southern California, which includes a solar cell concentrator that heats contained hydrogen to drive pistons, providing utility power. Credit: NASA

Stirling Convertors

Twenty-five years of Stirling energy conversion expertise dating back to the energy crisis of the 1970s, is now being applied to a 5-MW Stirling utility project in southern California. The system utilizes a solar concentrator that heats a working fluid to drive a Stirling convertor, which converts piston motion to electricity, providing renewable power from the sun. Stirling convertors will soon be used with nuclear fuel to generate electricity for deep space missions.
Fuel Cells/Batteries

Advanced lithium-ion batteries, fuel cells and regenerative fuel cells are being developed for NASA's future exploration missions. A regenerative fuel cell system will enable a solar power system to store energy for use during the night. Advanced batteries will provide power to mobile systems such as extravehicular activity (EVA) suits and rovers. Fuel cell and advanced battery systems will power, respectively, the lunar lander descent and ascent stages.
Glenn is also proposing to work with the Great Lakes Science Center to construct a hydrogen fueling station for fuel cell buses. The station will generate hydrogen by splitting water, using an electrolyzer powered renewably from wind turbines and solar arrays.
Pictured right: A conceptualization of a Hybrid bus and hydrogen fuel station for Cleveland public transportation.

"Forum attendees were surprised that many of Glenn's projects in the past were funded by the Environmental Protection Agency, Energy Research and Development Agency, and the Department of Energy," said Lyons. "Knowledge shared during this event has resulted in increased communication between Glenn and Ames for sharing energy-related NASA technologies for the benefit of future NASA and nonaerospace applications."

Glenn's First *GREEN Energy Forum
April 22 at 1:30 p.m., Administration Building Auditorium
Dr. Mark Shanahan, Ohio Governor's Energy advisor
RSVP by April 15 to Valerie Lyons at 3-5970
*Global Research into Energy and the Environment at NASA Glenn
( On-site Earth Week Activities are limited to GRC civil servants and contractors)

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Връз съдинката тряба се турне капак с отвод за водорода, и като се турнат вътре, се заливат с 30% солна киселина. Следи се много внимателно процесът, тъй като може се получи "Гърмящ газ"..

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Futuristic Japanese Cars

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