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New Data and Modelling for Single Event Effects in the Stratospheric Radiation Environment

Hands, Alexander, Lei, F, Ryden, Keith, Dyer, C, Underwood, Craig and Mertens, C (2016) New Data and Modelling for Single Event Effects in the Stratospheric Radiation Environment IEEE Transactions on Nuclear Science, 64 (1). pp. 587-595.

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Abstract

The upper atmosphere is a transition region between the neutron-dominated aviation environment and satellite environment where primary protons and ions dominate. We report high altitude balloon measurements and model results characterising this radiation environment for single event effects (SEE) in avionics. Our data, from the RaySure solid-state radiation monitor, reveal markedly different altitude profiles for low linear energy transfer (LET) and high LET energy depositions. We use models to show that the difference is caused by the influence of primary cosmic ray particles, which induce counts in RaySure via both direct and indirect ionization. Using the new Model of Atmospheric Ionizing Radiation Effects (MAIRE), we use particle fluxes and LET spectra to calculate single event upset (SEU) rates as a function of altitude from ground level to the edge of space at 100 km altitude. The results have implications for a variety of applications including high altitude space tourism flights, UAVs and missions to the Martian surface.

Item Type: Article
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Hands, Alexandera.hands@surrey.ac.ukUNSPECIFIED
Lei, FUNSPECIFIEDUNSPECIFIED
Ryden, Keithk.ryden@surrey.ac.ukUNSPECIFIED
Dyer, CUNSPECIFIEDUNSPECIFIED
Underwood, CraigC.Underwood@surrey.ac.ukUNSPECIFIED
Mertens, CUNSPECIFIEDUNSPECIFIED
Date : 20 September 2016
Identification Number : 10.1109/TNS.2016.2612000
Copyright Disclaimer : © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Uncontrolled Keywords : —Single Event Effects, Stratosphere, High altitude radiation environment
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 21 Sep 2016 13:17
Last Modified : 11 Jul 2017 07:53
URI: http://epubs.surrey.ac.uk/id/eprint/812271

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