Excavation of Lunar Regolith with Large Grains by Rippers

Excavation of Lunar Regolith with Large Grains by Rippers

Excavation of Lunar Regolith with Large Grains by Rippers

Jan 01, 2013 · Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency Masafumi Iai, Ph.D.; and Leslie Gertsch, Ph.D. Abstract As human activities expand to the Moon, Mars, and other extraterrestrial bodies, it will be necessary to use local resources rather than bringing everything from Earth.

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NASA - Regolith Excavation Challenge

The robots are tested in box containing eight tons of simulated lunar regolith that is about 4 meters square and about one-half meter deep. In order to qualify for a prize, a robot must dig up and then dump at least 150 kg of regolith into a container in 30 minutes. The teams with the robots that move the most regolith will claim the three cash

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Energy Efficiency in Cable Shovel Operations | SpringerLink

Nov 02, 2017 · Iai M, Gertsch L (2013) Excavation of lunar regolith with large grains by rippers for improved excavation efficiency. J Aerosp Eng 26:97–104. doi: 10.1061/(ASCE)AS.1943-5525.0000221 CrossRef Google Scholar

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(PDF) EXCAVATION OF LUNAR REGOLITH WITH RAKES/RIPPERS …

Also the grain size distribution of the lunar regolith up to 1 m grains is created by combining the data from Apollo and Surveyor missions. In the experiments, gravel (2 mm--10 mm) is added to JSC-1A In addition, a math model of the ripping force is developed as a function of material density, which could be the basis of an instrumented-ripper technique for detailed mapping of …

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Characterization of novel lunar highland and mare

1 day ago · Lunar regolith is being considered as the raw material for in-situ AM on the lunar surface. Several AM techniques based on different physical principles were tested on various lunar regolith simulants, showing promising results (Isachenkov et al., 2021). AM technologies, proposed for 3d-printing with lunar regolith, can be utilized for the

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Construction with Regolith - NASA

Top Space Regolith Construction Technical Challenges* • Strength of In-situ derived regolith concrete materials • New construction methods & equipment • Low reaction force excavation in reduced and micro-gravity • Operating in regolith dust • Fully autonomous operations • Energy re-charging and work flow scheduling

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Airman Ax 05 Skid Steer CTL Tracks - Track Size: 180x72x33

Airman Ax 05 Skid Steer CTL Tracks – Track Size: 180x72x33. Monster Tires brings the most affordable and high-quality rubber tracks to our customers daily. Your Airman AX05 Mini Excavator works efficiently on the most slippery muddy terrain. Increase the stability and dependability of this machine by replacing the rubber tracks with high

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Resources | Free Full-Text | Sources of Extraterrestrial

Masafumi, I.; Gertsch, L. Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency. J. Aerosp. Eng. 2013, 26, 97–104. [Google Scholar] Wilhelm, S.; Curbach, M. Review of possible mineral materials and production …

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Active-Side Calculation Method for a Backhoe Hydraulic

Aug 14, 2019 · L. Masafumi and G. Leslie, "Excavation of lunar regolith with large grains by rippers for improved excavation efficiency," Journal of Aerospace Engineering, vol. 26, no. 1, pp. 97–104, 2013. View at: Publisher Site | Google Scholar

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SelectedWorks - Leslie S. Gertsch

Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency (Masafumi Iai and Leslie S. Gertsch) Journal of Aerospace Engineering (2013) As human activities expand to the Moon, Mars, and other extraterrestrial bodies, it will be necessary to use local resources rather than bringing everything from Earth.

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JOURNAL OF AEROSPACE ENGINEERING

97 Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency / Masafumi Iai and Leslie Gertsch 105 Laboratory-Scale Distributed Pressure Measurements of Blade Interaction with JSC-1A Lunar Simulant / Robert H. King and Andrew T. Brewer 117 Lunar Excavation Experiments in Simulant Soil Test Beds: Revisiting the

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Electrostatic Separation of Lunar Regolith for Size

The device will use electrostatic separation of tribocharged grains to sort the material with minimal moving parts or contact with the grains. Due to the highly adhesive and abrasive nature of lunar regolith, this significantly increases the lifespan of the device and reduces its complexity relative to other grain separation concepts.

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Characterization of novel lunar highland and mare

1 day ago · Lunar regolith is being considered as the raw material for in-situ AM on the lunar surface. Several AM techniques based on different physical principles were tested on various lunar regolith simulants, showing promising results (Isachenkov et al., 2021). AM technologies, proposed for 3d-printing with lunar regolith, can be utilized for the

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Energy Efficiency in Cable Shovel Operations | SpringerLink

Nov 02, 2017 · Iai M, Gertsch L (2013) Excavation of lunar regolith with large grains by rippers for improved excavation efficiency. J Aerosp Eng 26:97–104. doi: 10.1061/(ASCE)AS.1943-5525.0000221 CrossRef Google Scholar

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Investigating the Effects of Percussion on Excavation

Jan 01, 2013 · Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency. Journal of Aerospace Engineering March 2012 . Strength Properties of JSC-1A Lunar Regolith Simulant. Journal of Geotechnical and …

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Measurement of force to excavate extraterrestrial regolith

Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency The current study focuses on excavation of lunar regolith simulant by blading with and without

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LSSW - Dust & Regolith

Aug 24, 2020 · August 24, 2020. Lunar regolith is the broken up rock that comprises most of the lunar surface down to several meters) that has been generated over eons due primarily to impacts and micrometeorite bombardment. Any systems operating on the lunar surface will interact with the regolith, and most remote-sensing systems interrogate primarily the

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DEM simulation of soil-tool interaction under

Jun 01, 2017 · In lunar excavation, the cutting resistance needs to be balanced by the frictional force between the excavator and the lunar surface, which is proportional to the weight of the excavator. Excavation of lunar regolith with large grains by rippers for improved excavation efficiency. J. Aerosp. Eng., 26 (1) (2012), pp. 97-104. Google Scholar.

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Reaction force calculation for planetary sampling devices

Jan 03, 2020 · Iai M, Gertsch L (2013) Excavation of lunar regolith with large grains by rippers for improved excavation efficiency. J Aerosp Eng 26(1):97–104. Article Google Scholar 7. Green A, Zacny K, Pestana J, Lieu D, Mueller R (2013) Investigating the effects of percussion on excavation forces. J Aerosp Eng 26(1):87–96

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Sociotechnological Perspective on the Development of Lunar

Jul 21, 2020 · Excavation of Lunar Regolith with Large Grains by Rippers for Improved Excavation Efficiency. Journal of Aerospace Engineering, Volume 26(1), pp. 97–104. Launius, R.D., 2006. Interpreting the Moon Landings: Project Apollo and the Historians.

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