Chapter
Apr 26, 2012
Contrasting Terrestrial and Lunar Gravity: Angle of Repose and Incline Flows
Publication: Earth & Space 2006: Engineering, Construction, and Operations in Challenging Environment
Abstract
In this paper we study the angle of repose and the incline flow behaviors under the Earth and Moon gravity fields, where particles of a range of contact friction are subject to different electrostatic forces. A two-dimensional discrete element method is used in this analysis with two particle shapes. The results show little sensitivity of the angle of repose to gravity. The sensitivity to friction and electrostatic charges can be significant or negligible, depending on the range of these values. The mass flow rate over an incline may be non-dimensionalized so that it collapses to a single curve independent of gravity.
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Published In
Earth & Space 2006: Engineering, Construction, and Operations in Challenging Environment
Pages: 1 - 8
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Department of Civil and Environmental Engineering, Clarkson University, Potsdam, NY 13699-5710. E-mail: [email protected]
M.ASCE
Department of Civil and Environmental Engineering, Clarkson University, Potsdam, NY 13699-5710. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.