Effect of “Noisy” sun conditions on aircrew radiation exposure

Lewis, Brent J.; Green, A.R.; Bennett, L. G. I.

doi:10.1016/j.asr.2009.04.005

Cited by 9 publications

(9 citation statements)

References 30 publications

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“…In particular, the anisotropy of arrival and the spectra of these galactic cosmic rays means that locations not very different geographically and with similar cutoffs can have dramatically different dosage rates during the rise and peak of the events. This is probably the biggest departure from the models, as Forbush decreases reduce dose and geomagnetic cutoff variations cause sufficiently small changes as to be less than the accuracy of the measurements and models Lewis et al, 2009].…”

Section: Discussionmentioning

confidence: 99%

“…Subsequently, various research groups have measured the galactic cosmic radiation on jet aircraft and balloons and have also theoretically or semiempirically modeled the radiation at altitude [Lewis et al, 2009]. Efforts to determine the additional exposure from solar particle events are also underway [Lewis et al, 2002;Takada et al, 2007].…”

Section: Introductionmentioning

confidence: 99%

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2010

Space Weather Quarterly

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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2010

Space Weather Quarterly

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Section: Onboard Versus Ground‐based Monitoringmentioning

confidence: 99%

“…These documents are consistent, setting the intervention level at 6 millisieverts per year (mSv yr −1 ) and allowing predictive codes, supported by periodic monitoring, to be used in lieu of personal or aircraft dosimetry. Subsequently, various research groups have measured the galactic cosmic radiation on jet aircraft and balloons and have also theoretically or semiempirically modeled the radiation at altitude [ Lewis et al , 2009]. Efforts to determine the additional exposure from solar particle events are also underway [ Lewis et al , 2002; Bennett et al , 2005; Takada et al , 2007].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of new cosmic radiation monitors designed for aircrew exposure assessment

et al. 2010

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With the development of next generation aircraft designs capable of ultralong‐range flight and extended flight endurance, new experimental dosimetry equipment has been specifically designed to enable aircrew to monitor and respond to airborne alerts of potential doses that exceed recommended limits. The new QinetiQ QDOS/Rayhound monitor and designer‐specific Liulin 4SA both provide real‐time monitoring and readout with both audible and visual alert functions. The potential advantage to pilots and airlines is a more rational response to an alert by minimizing the altitude descent and time at lower levels in response to a significant event. This not only protects passengers and crew from solar particle events but provides a “greener” option to fuel burn at lower altitudes when events have abated. Thus, it will allow the crew to determine safer optimum flight levels during and after the event. These monitors were flown on numerous high‐ and low‐latitude flights in combination with a “Hawk” tissue equivalent proportional counter acting as the reference instrument as it measured the total ambient dose equivalent H*(10). An FH 41B Eberline monitor and bubble detectors were also used in the comparison.

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“…These documents are consistent, setting the intervention level at 6 millisieverts per year (mSv yr À1 ) and allowing predictive codes, supported by periodic monitoring, to be used in lieu of personal or aircraft dosimetry. Subsequently, various research groups have measured the galactic cosmic radiation on jet aircraft and balloons and have also theo-retically or semiempirically modeled the radiation at altitude [Lewis et al, 2009]. Efforts to determine the additional exposure from solar particle events are also underway [Lewis et al, 2002;Bennett et al, 2005;Takada et al, 2007].…”

Section: Introductionmentioning

confidence: 99%

Space Weather Quarterly Volume 7, Issue 2, 2010

2010

Space Weather Quarterly

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Effect of “Noisy” sun conditions on aircrew radiation exposure

Cited by 9 publications

References 30 publications

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Evaluation of new cosmic radiation monitors designed for aircrew exposure assessment

Space Weather Quarterly Volume 7, Issue 2, 2010

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