Engineering:Self Powered Neutron Detector (SPND)

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Self Powered Neutron Detector (SPND) is a neutron detector used in nuclear fission reactors. It is a compact device extensively used worldwide for mapping of neutron flux, helping the reactor-operators in maintaining the neutron economy. It gives a direct current signal proportional to the incident flux of neutrons, due to production of negative beta particles or Compton electrons in the heart of the device.[1][2][3]

References

  1. ↑ Todt, William. CHARACTERISTICS OF SELF-POWERED NEUTRON DETECTORS USED IN POWER REACTORS. Imaging and Sensing Technology Corporation. https://www.oecd-nea.org/science/rsd/ic96/4-2.pdf. 
  2. ↑ "What is Self-Powered Neutron Detector - Definition" (in en-US). 2019-12-14. https://www.radiation-dosimetry.org/what-is-self-powered-neutron-detector-definition/. 
  3. ↑ Verma, V.; Barbot, L.; Filliatre, P.; Hellesen, C.; Jammes, C.; Svärd, S. Jacobsson (2017-07-11). "Self powered neutron detectors as in-core detectors for Sodium-cooled Fast Reactors" (in en). Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 860: 6–12. doi:10.1016/j.nima.2017.04.011. ISSN 0168-9002. http://www.sciencedirect.com/science/article/pii/S0168900217304436. 




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