Results 21 to 30 of about 10,003 (216)

DEM simulation of soil-tool interaction under extraterrestrial environmental effects [PDF]

, 2017
In contrast to terrestrial environment, the harsh lunar environment conditions include lower gravity acceleration, ultra-high vacuum and high (low) temperature in the daytime (night-time).
Arroyo Alvarez de Toledo, Marcos, Jiang, Mingjing, Rodríguez Dono, Alfonso, Xi, Banglu   +3 more
core   +2 more sources

Numerical Modeling of Thermal Behavior during Lunar Soil Drilling

Aerospace, 2023
This paper presents a detailed thermal simulation analysis of the drilling process for icy soil in the lunar polar region. The aim is to investigate the temperature changes that occur in the debris removal area during the drilling process. We developed a
Deming Zhao, Zhisheng Cheng, Weiwei Zhang, Jinsheng Cui, He Wang   +4 more
doaj   +1 more source

Lunar surface mechanical properties — Surveyor 1 [PDF]

, 1967
Engineering telemetry data and lunar surface photographs by Surveyor 1 have been evaluated for information on the mechanical properties of the lunar surface material at the Surveyor 1 landing site.
Batterson, S. A., Benson, H. E., Chandler, Claude E., Christensen, Elmer M., Jones, R. H., Scott, Ronald F., Shipley, E. N., Sperling, Frank B., Sutton, G. H.   +8 more
core   +1 more source

Far Field Deposition Of Scoured Regolith Resulting From Lunar Landings [PDF]

, 2012
As a lunar lander approaches a dusty surface, the plume from the descent engine impinges on the ground, entraining loose regolith into a high velocity dust spray.
Goldstein, D. B., Morris, A. B., Trafton, L. M., Varghese, P. L.   +3 more
core   +1 more source

Recognition of Volumetric Scattering of Lunar Regolith Media in the PSR via Fully Polarimetric SAR Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Data of fully polarimetric synthetic aperture radar onboard Chandrayaan-2 make it feasible to analyze the geometric and physical properties of the lunar soil layer. A specific mission of Chandrayaan-2 is to investigate if there is water–ice in the
Niutao Liu, Feng Xu, Ya-Qiu Jin
doaj   +1 more source

Direct measurement and theoretical prediction model of interparticle adhesion force between irregular planetary regolith particles

International Journal of Mining Science and Technology, 2023
Interparticle adhesion force has a controlling effect on the physical and mechanical properties of planetary regolith and rocks. The current research on the adhesion force of planetary regolith and rock particles has been primarily based on the ...
Heping Xie, Qi Wu, Yifei Liu, Yachen Xie, Mingzhong Gao, Cunbao Li   +5 more
doaj   +1 more source

Overview of Activities: ARES-III and LEARN Analog Missions in the LunAres Hab

Space: Science & Technology, 2022
Progress is being made on human Lunar and Martian missions by space agencies and private organisations around the world, with the aims of establishing reliable long-duration architectures.
Simon Bouriat, Matej Poliaček, Jacob Smith   +2 more
doaj   +1 more source

Simulated Lunar Soil: Can It Be Organically Modified through Compost Cultivation?

Soil Systems
This study aimed to explore the possibility of improving the fertility of lunar soil through the reuse of resources by composting household waste and collecting composting fermentation broth.
Zhixuan Gong, Jia Wen, Yichen Zhou, Yunbo Zhai, Jinghao Xu   +4 more
doaj   +1 more source

Antarctic nematodes survival in Martian and Lunar regolith simulants under terrestrial conditions [PDF]

Anais da Academia Brasileira de Ciências
The exploration of extraterrestrial environments has become a focal point of scientific inquiry, driven by advancements in technology and a growing interest in the potential for life beyond Earth.
CESAR R.L. AMARAL, FÁBIO L.V. BONES, ANTONIO CARLOS DE FREITAS, RODRIGO GOLDENBERG-BARBOSA, MAITHÊ G.P. MAGALHÃES, LUCAS M. MOREIRA, DAFNE ANJOS, ANNA DONATO, ANTONIO AMORIM, PAULO E.A.S. CÂMARA   +9 more
doaj   +1 more source

Experimental results of a terrain relative navigation algorithm using a simulated lunar scenario [PDF]

, 2015
This paper deals with the problem of the navigation of a lunar lander based on the Terrain Relative Navigation approach. An algorithm is developed and tested on a scaled simulated lunar scenario, over which a tri-axial moving frame has been built to ...
Ansalone, Luigi, Curti, Fabio, Grava, Eleonora   +2 more
core   +1 more source