Evaluation Plan for the Group Evaluation of Soil Stabilization and Dust Suppression Products
This Evaluation Plan describes the nature and scope of an evaluation to determine the performance aspects and the environmental impacts of soil stabilization and dust suppression products. A number of...

Dust Levitation on the Moon
The NASA sponsored Lunar Base Working Group at the Institute for Astrophysics, University of New Mexico and the Department of Astronomy, New Mexico State University has been investigating...

The Levitation of Lunar Dust Via Electrostatic Forces
Apollo and Surveyor photographs revealed an unexpected lunar phenomenon that has come to be known as the 'horizon glow'. During lunar sunrise and sunset, a line of light was visible above...

Effects of Dust and Thermal Cycling on Telescope Mirror Performance
In this study, 1 cm ? 1 cm square optical-grade aluminized glass mirrors were measured for maximum light reflectance and then the loss of reflectance due to the presence of different specific...

Engineering Implications of Levitating Lunar Dust
In this paper an attempt is made to provide a physical understanding of these various phenomena and their long-term effects on the lunar environment. This understanding is then applied...

Site Measurement of Shotcreting Dust
Shotcreting is broadly used today as an excellent lining system, which enables to assure rapidly the stability of excavated rock surface. This system however leaves room for improvements...

Accelerator for Shotcrete Based Amorphous Calcium Aluminate
The authors developed an accelerator based on amorphous cacium aluminate named NATMIC for shotcrete. In Japan, accelerator based amorphous calcium aluminate are widely used in shotcrete...

Dust Control Research for SEI
A study, at NASA Johnson Space Center, of dust control requirements for surface habitats has focused on identification of the dust problem, identifying dust control techniques and dust...

Mars Containers: Dust on Teflon Sealing Surfaces
As part of an evaluation of suitable hermetic seals for containers for Martian rock and soil samples, teflon (TFE) o-ring static face seals were challenged with silica gel, basalt, and...

Impact Craters on Cosmic Dust: Do Damage to the Spacecraft
The discovery and study of impact crater on cosmic dust to understand the overall micrometeoroid environment and space engineering requirement are important. In this paper, we attempt...

Mitigation of Dust Contamination During EVA Operations on the Moon and Mars
The Space Exploration initiative is charting a new course for human exploration of the Moon and Mars. Advances in EVA system have been identified as being critical for enabling long-duration...

Mitigation of Adverse Environmental Effects on Lunar-Based Astronomical Instruments
The galactic cosmic-ray flux incident on the Moon was examined for its potential adverse impact on the performance of the large lunar telescope (LLT) proposed as a part of NASA's Space...

Technology?Key to Environmental Success
A three million ton per year coal unloading terminal with 5 km overland conveyor at Jacksonville, Florida, incorporates numerous technical advances to achieve environmentally safe construction...

Strontium Isotopes in Carbonate Deposits at Crater Flat, Nevada
Strontium isotope studies of carbonates from soils, veins, eolian dust and Paleozoic basement sampled near Crater Flat, southwest of Yucca Mountain, provide evidence for the origins of...

Working on the Moon: The Apollo Experience
Work experience gained during the Apollo missions suggests that lunar base productivity can be enhanced through careful attention to suit design, repair capabilities, equipment design...

Dust Control at Canyon Ferry
Since initial filling of Canyon Ferry Lake in 1955, wind blown, fine grained material from exposed flats at the upper end of the lake became a problem of increasing concern. Average deposition...

Recyclying of Dust from Electric Arc Funances´┐ŻAn Experimental Evaluation
Each year the electric arc steelmaking industry generates approximately 650,000 tons of dusts containing valuable metallic resources such as iron, zinc, lead, and chromium. EAF dust is...

Australian Coal Terminal Operates Happily Beside Residential Area
A coal terminal was built in Port Kembla, Australia at a $7.56 cost per metric ton. The port was built for $121 million, $18 million below estimate. It included such innovations as the...

 

 

 

 

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