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A New Cosmic Dust Detector with a Novel Method Using a Resistive Grid Sensitive to Hypervelocity Impacts.

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Title: A New Cosmic Dust Detector with a Novel Method Using a Resistive Grid Sensitive to Hypervelocity Impacts.
Authors: Burchell, Mark J.1 m.j.burchell@kent.ac.uk, Corsaro, R.2, Giovane, F.3, Cole, M.1, Sadilek, A.4, Price, M.C.1, Liou, J.-C.5
Source: Procedia Engineering. Jun2013, Vol. 58, p68-76. 9p.
Subjects: Cosmic dust, Detectors, Hypervelocity, Impact (Mechanics), Particles, Physics experiments
Abstract: Abstract: A new method is demonstrated to detect impacts of hypervelocity particles in real-time and to determine the size of particles. It uses a resistive grid on a thin substrate (here Duroid). Penetration of the substrate in an impact breaks lines on the grid, changing the overall resistance of the grid. The change in resistance is proportional to the width of the damaged area (i.e. number of resistive lines that are broken), which is in turn proportional to the impactor size. This method provides a large area, low mass, low power detector for measuring the flux of small dust particles in space. Based on experimental data (taken in a two-stage light gas gun), we show that impacts at 5km s-1 demonstrate that the principle works as described for particles 150μm and above and that in theory could work for impacts down to size scales as small as 50μm. [Copyright &y& Elsevier]
Copyright of Procedia Engineering is the property of Elsevier B.V. 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:
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DbLabel: Engineering Source
An: 89282450
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: A New Cosmic Dust Detector with a Novel Method Using a Resistive Grid Sensitive to Hypervelocity Impacts.
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  Data: <searchLink fieldCode="AR" term="%22Burchell%2C+Mark+J%2E%22">Burchell, Mark J.</searchLink><relatesTo>1</relatesTo><i> m.j.burchell@kent.ac.uk</i><br /><searchLink fieldCode="AR" term="%22Corsaro%2C+R%2E%22">Corsaro, R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Giovane%2C+F%2E%22">Giovane, F.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Cole%2C+M%2E%22">Cole, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sadilek%2C+A%2E%22">Sadilek, A.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Price%2C+M%2EC%2E%22">Price, M.C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Liou%2C+J%2E-C%2E%22">Liou, J.-C.</searchLink><relatesTo>5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Procedia+Engineering%22">Procedia Engineering</searchLink>. Jun2013, Vol. 58, p68-76. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Cosmic+dust%22">Cosmic dust</searchLink><br /><searchLink fieldCode="DE" term="%22Detectors%22">Detectors</searchLink><br /><searchLink fieldCode="DE" term="%22Hypervelocity%22">Hypervelocity</searchLink><br /><searchLink fieldCode="DE" term="%22Impact+%28Mechanics%29%22">Impact (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Particles%22">Particles</searchLink><br /><searchLink fieldCode="DE" term="%22Physics+experiments%22">Physics experiments</searchLink>
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  Data: Abstract: A new method is demonstrated to detect impacts of hypervelocity particles in real-time and to determine the size of particles. It uses a resistive grid on a thin substrate (here Duroid). Penetration of the substrate in an impact breaks lines on the grid, changing the overall resistance of the grid. The change in resistance is proportional to the width of the damaged area (i.e. number of resistive lines that are broken), which is in turn proportional to the impactor size. This method provides a large area, low mass, low power detector for measuring the flux of small dust particles in space. Based on experimental data (taken in a two-stage light gas gun), we show that impacts at 5km s-1 demonstrate that the principle works as described for particles 150μm and above and that in theory could work for impacts down to size scales as small as 50μm. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Procedia Engineering is the property of Elsevier B.V. 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.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.proeng.2013.05.010
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        Text: English
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        Type: general
      – SubjectFull: Detectors
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      – SubjectFull: Hypervelocity
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              Text: Jun2013
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