The Experts below are selected from a list of 60 Experts worldwide ranked by ideXlab platform
Jeff Thrasher - One of the best experts on this subject based on the ideXlab platform.
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preliminary testing of a pressurized space suit and candidate fabrics under simulated mars dust storm and dust devil conditions
40th International Conference on Environmental Systems, 2010Co-Authors: James R Gaier, Pablo G Deleon, Pascal Lee, Terry R Mccue, Edward Hodgson, Jeff ThrasherAbstract:In August 2009 YAP Films (Toronto) received permission from all entities involved to create a documentary film illustrating what it might be like to be on the surface of Mars in a space suit during a dust storm or in a dust devil. The science consultants on this project utilized this opportunity to collect data which could be helpful to assess the durability of current space suit construction to the Martian environment. The NDX-1 prototype planetary space suit developed at the University of North Dakota was used in this study. The suit features a hard upper torso garment, and a soft lower torso and boots assembly. On top of that, a nylon-cotton outer layer is used to protect the suit from dust. Unmanned tests were carried out in the Martian Surface Wind Tunnel (MARSWIT) at the NASA Ames Research Center, with the suit pressurized to 10 kPa gauge. These tests blasted the space suit upper torso and helmet, and a collection of nine candidate outer layer fabrics, with wind-borne simulant for five different 10 min tests under both terrestrial and Martian surface pressures. The infiltration of the dust through the outer fabric of the space suit was photographically documented. The nine fabric samples were analyzed under light and electron microscopes for abrasion damage. Manned tests were carried out at Showbiz Studios (Van Nuys, California) with the pressure maintained at 20 2 kPa gauge. A large fan-created vortex lifted Martian dust simulant (Fullers Earth or JSC Mars-1) off of the floor, and one of the authors (Lee) wearing the NDX-1 space suit walked through it to judge both subjectively and objectively how the suit performed under these conditions. Both the procedures to scale the tests to Martian conditions and the results of the infiltration and abrasion studies will be discussed.
James R Gaier - One of the best experts on this subject based on the ideXlab platform.
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preliminary testing of a pressurized space suit and candidate fabrics under simulated mars dust storm and dust devil conditions
40th International Conference on Environmental Systems, 2010Co-Authors: James R Gaier, Pablo G Deleon, Pascal Lee, Terry R Mccue, Edward Hodgson, Jeff ThrasherAbstract:In August 2009 YAP Films (Toronto) received permission from all entities involved to create a documentary film illustrating what it might be like to be on the surface of Mars in a space suit during a dust storm or in a dust devil. The science consultants on this project utilized this opportunity to collect data which could be helpful to assess the durability of current space suit construction to the Martian environment. The NDX-1 prototype planetary space suit developed at the University of North Dakota was used in this study. The suit features a hard upper torso garment, and a soft lower torso and boots assembly. On top of that, a nylon-cotton outer layer is used to protect the suit from dust. Unmanned tests were carried out in the Martian Surface Wind Tunnel (MARSWIT) at the NASA Ames Research Center, with the suit pressurized to 10 kPa gauge. These tests blasted the space suit upper torso and helmet, and a collection of nine candidate outer layer fabrics, with wind-borne simulant for five different 10 min tests under both terrestrial and Martian surface pressures. The infiltration of the dust through the outer fabric of the space suit was photographically documented. The nine fabric samples were analyzed under light and electron microscopes for abrasion damage. Manned tests were carried out at Showbiz Studios (Van Nuys, California) with the pressure maintained at 20 2 kPa gauge. A large fan-created vortex lifted Martian dust simulant (Fullers Earth or JSC Mars-1) off of the floor, and one of the authors (Lee) wearing the NDX-1 space suit walked through it to judge both subjectively and objectively how the suit performed under these conditions. Both the procedures to scale the tests to Martian conditions and the results of the infiltration and abrasion studies will be discussed.
George Lansing - One of the best experts on this subject based on the ideXlab platform.
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Attapulgite Marker Attapulgus, GA
UNF Digital Commons, 2016Co-Authors: George LansingAbstract:The marker reads: ATTAPULGITE There are many types of Fullers Earth clay. Attapulgite is a unique type, found in the USA only in Decatur County, GA and Gadsden County, FL. It is also found in Spain, Russia, and China. The unique nature of Attapulgite is, when mixed with fresh or salt water, it forms a gel. With new processes of refining oil, this is no longer a major use. Other uses have been developed in cosmetics, paint, medicine, dry wall taping, and oil drilling. All processing of the clay was moved to Quincy, FL in 1998. Some mining is still being done in the area. ERECTED BY FRIENDS OF ATTAPULGUS HIGH SCHOOL IN 2008https://digitalcommons.unf.edu/historical_architecture_main/8595/thumbnail.jp
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Fullers Earth Marker Attapulgus, GA
UNF Digital Commons, 2016Co-Authors: George LansingAbstract:Fullers Earth (Text On Old Marker) Fullers Earth, a clay used for bleaching petroleum oil, has been refined near here since 1907. The name is derived from its earlier use of fulling or cleaning the grease from wool. Georgia has led the production of Fullers Earth since 1924. CHEMICAL PROPERTIES Fullers Earth is any nonplastic clay or claylike Earthy material that can be used to filter animal, mineral, and vegetable oils. It is composed mainly of alumina, silica, iron oxides, lime, magnesia, and water, in extremely variable proportions.https://digitalcommons.unf.edu/historical_architecture_main/8610/thumbnail.jp
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The Village The Pits and The Dumps Marker (Obverse), Amsterdam, GA
UNF Digital Commons, 2012Co-Authors: George LansingAbstract:The Village The Pits and The Dumps Marker (Obverse) Amsterdam GA. This marker is located in Amsterdam, Georgia. The text read as : The Village located one mile south, was a community for workers of the Attapulgus Clay County, featuring 20 houses, a telephone and a company store. It stood from 1930- 1955. Those who lived there worked 12 hrs. daily mining a type of Fullers Earth called Attapulgite, occurring only in this area........https://digitalcommons.unf.edu/historical_architecture_main/4968/thumbnail.jp
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The Village The Pits and The Dumps Marker (Reverse) Amsterdam, GA
UNF Digital Commons, 2012Co-Authors: George LansingAbstract:The Village The Pits and The Dumps Marker (Reverse) Amsterdam GA Continued from other side--- (Side 2)... The rail engine made a quaint musical sound. The Dumps overburden piles as high as 100 ft., stood sentinel over the excavations, rambling open pits 150 ft. wide and 100 ft. deep and 2 1/2 miles long. Sadly, in 1955, all houses were removed to access the last profitable vein of valuable clay in this area and mining was moved to other locations. Fullers Earth has been used for ages to filter impurities from oil and in fulling a process to remove oil in wool. Erected by the Historic Chattahoochee Commission and Decatur Co. Historical & Genealogical Society, 2012.https://digitalcommons.unf.edu/historical_architecture_main/4969/thumbnail.jp
Edward Hodgson - One of the best experts on this subject based on the ideXlab platform.
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preliminary testing of a pressurized space suit and candidate fabrics under simulated mars dust storm and dust devil conditions
40th International Conference on Environmental Systems, 2010Co-Authors: James R Gaier, Pablo G Deleon, Pascal Lee, Terry R Mccue, Edward Hodgson, Jeff ThrasherAbstract:In August 2009 YAP Films (Toronto) received permission from all entities involved to create a documentary film illustrating what it might be like to be on the surface of Mars in a space suit during a dust storm or in a dust devil. The science consultants on this project utilized this opportunity to collect data which could be helpful to assess the durability of current space suit construction to the Martian environment. The NDX-1 prototype planetary space suit developed at the University of North Dakota was used in this study. The suit features a hard upper torso garment, and a soft lower torso and boots assembly. On top of that, a nylon-cotton outer layer is used to protect the suit from dust. Unmanned tests were carried out in the Martian Surface Wind Tunnel (MARSWIT) at the NASA Ames Research Center, with the suit pressurized to 10 kPa gauge. These tests blasted the space suit upper torso and helmet, and a collection of nine candidate outer layer fabrics, with wind-borne simulant for five different 10 min tests under both terrestrial and Martian surface pressures. The infiltration of the dust through the outer fabric of the space suit was photographically documented. The nine fabric samples were analyzed under light and electron microscopes for abrasion damage. Manned tests were carried out at Showbiz Studios (Van Nuys, California) with the pressure maintained at 20 2 kPa gauge. A large fan-created vortex lifted Martian dust simulant (Fullers Earth or JSC Mars-1) off of the floor, and one of the authors (Lee) wearing the NDX-1 space suit walked through it to judge both subjectively and objectively how the suit performed under these conditions. Both the procedures to scale the tests to Martian conditions and the results of the infiltration and abrasion studies will be discussed.
Terry R Mccue - One of the best experts on this subject based on the ideXlab platform.
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preliminary testing of a pressurized space suit and candidate fabrics under simulated mars dust storm and dust devil conditions
40th International Conference on Environmental Systems, 2010Co-Authors: James R Gaier, Pablo G Deleon, Pascal Lee, Terry R Mccue, Edward Hodgson, Jeff ThrasherAbstract:In August 2009 YAP Films (Toronto) received permission from all entities involved to create a documentary film illustrating what it might be like to be on the surface of Mars in a space suit during a dust storm or in a dust devil. The science consultants on this project utilized this opportunity to collect data which could be helpful to assess the durability of current space suit construction to the Martian environment. The NDX-1 prototype planetary space suit developed at the University of North Dakota was used in this study. The suit features a hard upper torso garment, and a soft lower torso and boots assembly. On top of that, a nylon-cotton outer layer is used to protect the suit from dust. Unmanned tests were carried out in the Martian Surface Wind Tunnel (MARSWIT) at the NASA Ames Research Center, with the suit pressurized to 10 kPa gauge. These tests blasted the space suit upper torso and helmet, and a collection of nine candidate outer layer fabrics, with wind-borne simulant for five different 10 min tests under both terrestrial and Martian surface pressures. The infiltration of the dust through the outer fabric of the space suit was photographically documented. The nine fabric samples were analyzed under light and electron microscopes for abrasion damage. Manned tests were carried out at Showbiz Studios (Van Nuys, California) with the pressure maintained at 20 2 kPa gauge. A large fan-created vortex lifted Martian dust simulant (Fullers Earth or JSC Mars-1) off of the floor, and one of the authors (Lee) wearing the NDX-1 space suit walked through it to judge both subjectively and objectively how the suit performed under these conditions. Both the procedures to scale the tests to Martian conditions and the results of the infiltration and abrasion studies will be discussed.
