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AGU: Journal of Geophysical Research, Space Physics

 

Keywords

  • lunar simulant
  • triboelectrification
  • contact charging

Index Terms

  • Planetary Sciences: Solar System Objects: Moon
  • Space Plasma Physics: Spacecraft sheaths, wakes, charging
  • Geochemistry: Composition of the moon
  • Space Plasma Physics: Charged particle motion and acceleration
Abstract
Cited By (2)
 

Abstract

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 114, A10109, 3 PP., 2009
doi:10.1029/2009JA014559

Triboelectric charging of lunar regolith simulant

Keith M. Forward

Department of Chemical Engineering, Case Western Reserve University, Cleveland, Ohio, USA

Daniel J. Lacks

Department of Chemical Engineering, Case Western Reserve University, Cleveland, Ohio, USA

R. Mohan Sankaran

Department of Chemical Engineering, Case Western Reserve University, Cleveland, Ohio, USA

We present an experimental investigation of the triboelectric charging behavior of lunar simulant (JSC-1). Our experimental approach ensures that the JSC-1 particles only make contact to other JSC-1 particles during the charging process (and no other surfaces). The results show that charge segregation occurs such that smaller particles tend to charge negatively and larger particles charge positively. This particle-size-dependent charging follows behavior observed for other single-component granular systems and appears to be universal.

Received 12 June 2009; accepted 21 August 2009; published 24 October 2009.

Citation: Forward, K. M., D. J. Lacks, and R. M. Sankaran (2009), Triboelectric charging of lunar regolith simulant, J. Geophys. Res., 114, A10109, doi:10.1029/2009JA014559.

Cited By

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