TITLE

Polyvinylidene fluoride dust detector response to particle impacts

AUTHOR(S)
James, D.; Hoxie, V.; Horanyi, M.
PUB. DATE
March 2010
SOURCE
Review of Scientific Instruments;Mar2010, Vol. 81 Issue 3, p034501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Polyvinylidene fluoride (PVDF) dust detectors have flown on many space missions since their first use on the Vega 1 and 2 spacecraft. The fundamental operating principle of these detectors is the production of a charge upon impact by a hypervelocity dust particle. This measured signal, N, depends on the speed, v, and mass, m, of the particle. The relationship between N, v, and m was first empirically derived by Simpson and Tuzzolino. All of the PVDF dust instruments prior to the Student Dust Counter on the New Horizons mission use their formula for the calibration of the detectors. This paper provides additional dust impact calibration data, proposes a modification in the exponents for m and v, and investigates the relationship between detector temperature and detector signal.
ACCESSION #
48911755

 

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