On the importance of impact erosion

Details On the importance of impact erosion On the importance of impact erosion

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991baicz..42..379k&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin (ISSN 0004-6248), vol. 42, Nov. 1991, p. 379-381.

Astronomy and Astrophysics

Astronomy

5

Impact Damage, Interplanetary Dust, Orbital Mechanics, Solar Corpuscular Radiation, Erosion, Meteoroids, Poynting-Robertson Effect

Scientific paper

The effect of impact erosion on the orbital evolution of interplanetary dust particles is discussed. Impact erosion can be expressed in terms of reduction in the radius of particles ds/dt = -epsilon exp D s exp 1.5/r exp 2.3, where epsilon exp D is approximately equal to 10 exp -6 cm exp -0.5/yr, if the falloff of particle density as r exp -1.3 is assumed. The effect of the impact erosion can be neglected in comparison to the corpuscular sputtering for particles of radii less than 0.001 cm.

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