Laboratory calibration of the cassini cosmic dust analyser (CDA) using new, low density projectiles
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| Title: | Laboratory calibration of the cassini cosmic dust analyser (CDA) using new, low density projectiles |
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| Authors: | Goldsworthy, B.J.1, Burchell, M.J.1, Cole, M.J.1, Green, S.F.1,2, Leese, M.R.1, McBride, N.1,2, McDonnell, J.A.M.1,2, Müller, M.1, Grün, E.3, Srama, R.3, Armes, S.P.4, Khan, M.A.4 |
| Source: | Advances in Space Research. Apr2002, Vol. 29 Issue 8, p1139. 6p. |
| Subjects: | Cosmic dust, Analytical chemistry |
| Abstract: | The Cassini Cosmic Dust Analyser (CDA), developed from the Galileo and Ulysses dust instruments with the addition of a Chemical Analyser, is currently travelling outward from the Earth (collecting data from March 1999 onward) to the Saturnian system (arrival 2004) via Jupiter. The Chemical Analyser will provide information on the elemental composition of impacting micrometeoroids through impact ionisation, time-of-flight mass spectrometry.A rigorous calibration programme primarily focussed upon the Chemical Analyser is in progress at the University of Kent at Canterbury. A 2-MV Van de Graaff electrostatic accelerator and CDA laboratory model are used to simulate impacts. Acceleration of revolutionary low density, polymer dust particles has enabled an insight into the response of CDA to molecularly bonded material with increasing event velocity. These conducting polymer coated polystyrene latex particles represent significantly better analogues for carbonaceous cosmic grains than more traditionally accelerated projectiles (e.g. iron) and have enabled complex organic spectra to be produced in the laboratory. The current status of an ongoing programme is reported. Three samples are presented, two polypyrrole coated latexes of differing size and one PEDOT-coated latex sample. [Copyright &y& Elsevier] |
| Copyright of Advances in Space Research is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 8778683 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1016/S0273-1177(02)00129-1 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 1139 Subjects: – SubjectFull: Cosmic dust Type: general – SubjectFull: Analytical chemistry Type: general Titles: – TitleFull: Laboratory calibration of the cassini cosmic dust analyser (CDA) using new, low density projectiles Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Goldsworthy, B.J. – PersonEntity: Name: NameFull: Burchell, M.J. – PersonEntity: Name: NameFull: Cole, M.J. – PersonEntity: Name: NameFull: Green, S.F. – PersonEntity: Name: NameFull: Leese, M.R. – PersonEntity: Name: NameFull: McBride, N. – PersonEntity: Name: NameFull: McDonnell, J.A.M. – PersonEntity: Name: NameFull: Müller, M. – PersonEntity: Name: NameFull: Grün, E. – PersonEntity: Name: NameFull: Srama, R. – PersonEntity: Name: NameFull: Armes, S.P. – PersonEntity: Name: NameFull: Khan, M.A. IsPartOfRelationships: – BibEntity: Dates: – D: 15 M: 04 Text: Apr2002 Type: published Y: 2002 Identifiers: – Type: issn-print Value: 02731177 Numbering: – Type: volume Value: 29 – Type: issue Value: 8 Titles: – TitleFull: Advances in Space Research Type: main |
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