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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 1,063 records · Page 59
All sourcesNASA NTRSDOE OSTI
NASA NTRS1989

Spinoff from a Moonsuit

Hypohidrotic ectodermal dysplasia refers to the absence of sweat glands which allow body heat to escape. Children with the disease become overheated quickly and suffer from a number of related afflictions. Several have been assisted by Life Support Systems, Inc., a NASA spinoff company which manufactures a garment cooled by a heat exchanger powered by a minipump through a network of fluid-filled tubes. The suits are used by firefighters, crop dusting pilots, workers in hazardous industries, etc. The company was founded by a former NASA contractor employee. When Sara Moody, whose nephew Stevie Roper has HED, contacted Langley Research Center, she was referred to LSSI. With help from PoFolks Restaurant Corporation and others, she raised $5,000 for a suit for Stevie. LSSI agreed to manufacture the suit at cost. After receiving the suit, Stevie's life improved dramatically, and Sara Moody established the HED Foundation. Through the foundation, other children have also received cool suits.

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NASA NTRS1989

Composite Nacelles

Rohr Industries, Inc. is currently researching composite jet nacelle engines. As composites can only tolerate heat up to 350 degrees, heat flow is a major concern. The company employs TRASYS to predict how much heat will be generated and how fast it will be dissipated under different conditions. Developed at JSC, TRASYS enables Rohr to realize considerable savings on nacelle design costs.

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NASA NTRS1989

Anti-Glare Filters

Glare from CRT screens has been blamed for blurred vision, eyestrain, headaches, etc. Optical Coating Laboratory, Inc. (OCLI) manufactures a coating to reduce glare which was used to coat the windows on the Gemini and Apollo spacecraft. In addition, OCLI offers anti-glare filters (Glare Guard) utilizing the same thin film coating technology. The coating minimizes brightness, provides enhanced contrast and improves readability. The filters are OCLI's first consumer product.

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NASA NTRS1989

Breaking the Ice

Electro-Expulsive Separation System, a low power electro-thermal deicer, was invented by Leonard A. Haslim from the Ames Research Center, who was named 1988 NASA Inventor of the Year for his work. Sold under license by Dataproducts New England, Inc., it consists of an elastic, rubber-like deicer boot on the wing's leading edge with copper ribbons embedded in it. Conductors are separated by slits in between and parallel to the ribbons. When the system is switched on, a bank of capacitors in the power supply discharges into the conductors which induces the conductor pairs to repel each other. This results in a powerful force causing the slit voids to expand explosively, removing ice on the wing. EESS is more flexible, more effective, and easier to maintain than previous systems. Potential ship, bridge and industrial applications are under study.

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NASA NTRS1989

Inspection Tools

A "NASA Tech Briefs" article describing an inspection tool and technique known as Optically Stimulated Electron Emission (OSEE) led to the formation of Photo Acoustic Technology, Inc. (PAT). PAT produces sensors and scanning systems which assure surface cleanliness prior to bonding, coating, painting, etc. The company's OP1000 series realtime pre-processing detection capability assures 100 percent surface quality testing. The technique involves brief exposure of the inspection surface to ultraviolet radiation. The energy interacts with the surface layer, causing free electrons to be emitted from the surface to be picked up by the detector. When contamination is present, it interferes with the electron flow in proportion to the thickness of the contaminant layer enabling measurement by system signal output. OP1000 systems operate in conventional atmospheres on all types of material and detect both organic and inorganic contamination.

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NASA NTRS1989

Error-Free Software

001 is an integrated tool suited for automatically developing ultra reliable models, simulations and software systems. Developed and marketed by Hamilton Technologies, Inc. (HTI), it has been applied in engineering, manufacturing, banking and software tools development. The software provides the ability to simplify the complex. A system developed with 001 can be a prototype or fully developed with production quality code. It is free of interface errors, consistent, logically complete and has no data or control flow errors. Systems can be designed, developed and maintained with maximum productivity. Margaret Hamilton, President of Hamilton Technologies, also directed the research and development of USE.IT, an earlier product which was the first computer aided software engineering product in the industry to concentrate on automatically supporting the development of an ultrareliable system throughout its life cycle. Both products originated in NASA technology developed under a Johnson Space Center contract.

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NASA NTRS1987

Ranger's Legacy

With its Landsat satellites, development of sensors, and advancement of processing techniques, NASA provided the initial technology base for another Earth-benefit application of image processing, Earth resources survey by means of remote sensing. Since each object has its own unique "signature," it is possible to distinguish among surface features and to generate computer-processed imagery identifying specific features of importance to resource managers. This capability, commercialized by Perceptive Scientific Instruments, Inc., offers practical application in such areas as agricultural crop forecasting, rangeland and forest management, land use planning, mineral and petroleum exploration, map making, water quality evaluation and disaster assessment. Major users of the technology have been federal, state, and local governments, but it is making its way into commercial operations, for example, resource exploration companies looking for oil, gas and mineral sources, and timber production firms seeking more efficient treeland management. Supporting both government and private users is a small industry composed of companies producing the processing hardware software. As is the case in the medical application, many of these companies are direct offspring of NASA's work.

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NASA NTRS1987

Advanced Lightplane Wing

Neico Aviation, Inc.'s tubular fuselage frame of Prescott Pusher is heliarc welded at the factory. Wings, tail, and control surfaces are of traditional aluminum. A rear mounted 180 horsepower engine with a four bladed pusher propeller allows speeds up to 200 miles per hour; an advanced rotary engine and other powerplants being tested are expected to boost cruise speed above 200 miles per hour.

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NASA NTRS1987

Wetlands Survey

Ducks Unlimited, Inc. is dedicated to preservation of the world's waterfowl. Current inventories of wetland resources are crucial to effective waterfowl management. They contracted with NASA to use data from the LANDSAT satellites Thematic Mapper (TM), an advanced Earth scanning instrument that collects data in seven bands of the spectrum utilizing the Earth Resources Laboratory Applications Software (ELAS). The TM measures and records six values of light energy reflected from Earth and one value of heat energy as it scans the Earth below. On each orbital sweep, sensors produce a series of digital scenes representing features of Earth segments measuring about 100 by 110 miles, each scene covering about eight million acres, and each containing some 40 million bits of information called picture elements or pixels. They are computer processed and the resulting mosaic is projected on a digital display device.

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NASA NTRS1987

Particle Measurement

Rupprecht & Patashnick Co. Inc.'s TEOM Series 1100 particulate mass monitor is a device that provides measurements of exceptional sensitivity and accuracy. Deriving from skylab, this monitor has applications in such areas as evaluation of diesel exhaust, dust concentration, smoke measurement and other situations wherein particulate matter in gas streams must be measured and weighed.

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NASA NTRS1987

Robotic Sow

In swine farming 15 to 25 percent of piglets die before weaning, and that poses a serious economic problem for hog producers. Sometimes a sow will accidentally crush her piglets or she will reject or abuse a piglet. Frequently a litter is oversized and the sow cannot accommodate all her piglets for nursing or is just unable to lactate due to physical disorders. Farmatic Inc.'s mechanical mother pig comes in two models, one with eight artificial nipples and another with 16. Shortly before feeding time the automated sow releases a prescribed amount of formula from a refrigerated compartment into a warming chamber, where milk is heated to the desired temperature. At feeding time a heat lamp simulating a sow's body warmth is automatically turned on and the machine emits rhythmic grunts like a mother pig summoning her piglets. As piglets scamper to their mechanical mother, a panel across the front opens to expose the row of nipples.

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NASA NTRS1987

Cure Monitoring

Micromet Instruments Inc. manufactures the Eumetric System II Microdielectrometer, key to which is a miniature electronic probe - a silicon microchip that contains electrodes and circuitry for measuring the electrical properties of whatever material is placed in contact with the electrodes. The rest of the system consists of additional sensors, electronic components, microcomputers, modules, and software.

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NASA NTRS1987

Mussel Glue

A mytilus edilus, a common blue ocean mussel is attaching itself to the underside of a wet glass in a laboratory. It secretes a glue like substance in the form of multiple threads which attach to surfaces such as shells, rocks, piers and ships. This natural super glue hardens within minutes and tightly affixes to its selected platform even in the roughest seas. Its superior adhesive properties suggest many practical applications. One company, Bio-Polymers, Inc., has developed a synthetic mussel glue for the commercial market.

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NASA NTRS1987

Sewage Monitors

Every U.S. municipality must determine how much waste water it is processing and more importantly, how much is going unprocessed into lakes and streams either because of leaks in the sewer system or because the city's sewage facilities were getting more sewer flow than they were designed to handle. ADS Environmental Services, Inc.'s development of the Quadrascan Flow Monitoring System met the need for an accurate method of data collection. The system consists of a series of monitoring sensors and microcomputers that continually measure water depth at particular sewer locations and report their findings to a central computer. This provides precise information to city managers on overall flow, flow in any section of the city, location and severity of leaks and warnings of potential overload. The core technology has been expanded upon in terms of both technical improvements, and functionality for new applications, including event alarming and control for critical collection system management problems.

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NASA NTRS1987

Solar Electric System

Heat Pipe Technology, Inc. undertook the development of a PV system that could bring solar electricity to the individual home at reasonable cost. His system employs high efficiency PV modules plus a set of polished reflectors that concentrate the solar energy and enhance the output of the modules. Dinh incorporated a sun tracking system derived from space tracking technology. It automatically follows the sun throughout the day and turns the modules so that they get maximum exposure to the solar radiation, further enhancing the system efficiency.

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NASA NTRS1987

A Boon for the Diabetic

Diabetics are no longer concerned with scheduling activities around peaking insulin levels since the use of an external pump from Pacesetter Systems, Inc. used to deliver insulin continuously at a preprogrammed individually adjusted rate. The pump wearer can lead a more normal existence, even participate in sports or travel, and there is an even greater benefit. Research indicates that infusion of "short acting" insulin in tiny amounts over a long period - instead of "long- acting" insulin has helped many diabetics achieve better control of blood sugar levels, thereby minimizing the possibility of complications and, in some cases, even halting the progression of complications.

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NASA NTRS1987

Pile Driving

Machine-oriented structural engineering firm TERA, Inc. is engaged in a project to evaluate the reliability of offshore pile driving prediction methods to eventually predict the best pile driving technique for each new offshore oil platform. Phase I Pile driving records of 48 offshore platforms including such information as blow counts, soil composition and pertinent construction details were digitized. In Phase II, pile driving records were statistically compared with current methods of prediction. Result was development of modular software, the CRIPS80 Software Design Analyzer System, that companies can use to evaluate other prediction procedures or other data bases.

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NASA NTRS1987

Speech Aids

Designed to assist deaf and hearing impaired-persons in achieving better speech, Resnick Worldwide Inc.'s device provides a visual means of cuing the deaf as a speech-improvement measure. This is done by electronically processing the subjects' sounds and comparing them with optimum values which are displayed for comparison.

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