Robotic delivery of laser-induced breakdown spectroscopy for sensitive chlorine measurement in dry cask storage systems

D. G. Fobar, X. Xiao, M. Burger, S. Le Berre, Arthur Thompson Motta, I. Jovanovic

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Chlorine-induced stress corrosion cracking is a degradation mechanism of concern for dry storage of used nuclear fuel. Remote detection of chlorine deposited on the stainless steel canister surface presents a challenge, since no direct line-of-sight is available. We demonstrate the design and use of double-pulse laser-induced breakdown spectroscopy installed on a robotic system for remote detection and measurement of the canister surface chlorine concentration. The system meets the stringent requirements of dry cask storage inspection environment, especially the constrained space. The externally located pulsed laser, spectroscopic instrumentation, and data acquisition setup were interfaced to a robotic delivery car using a pair of 25-m long optical fibers. We discuss the design and construction details of the chlorine detection system and its detection performance in both laboratory and field-deployable configurations. We show that chlorine concentrations as low as 10 mg/m2 can be measured in field-compatible operations.

Original languageEnglish (US)
Pages (from-to)188-194
Number of pages7
JournalProgress in Nuclear Energy
Volume109
DOIs
StatePublished - Nov 1 2018

Fingerprint

Laser induced breakdown spectroscopy
robotics
Chlorine
chlorine
Robotics
laser
spectroscopy
Nuclear fuels
Stress corrosion cracking
Pulsed lasers
data acquisition
instrumentation
Optical fibers
corrosion
automobile
Data acquisition
Railroad cars
Stainless steel
Inspection
steel

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Waste Management and Disposal

Cite this

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abstract = "Chlorine-induced stress corrosion cracking is a degradation mechanism of concern for dry storage of used nuclear fuel. Remote detection of chlorine deposited on the stainless steel canister surface presents a challenge, since no direct line-of-sight is available. We demonstrate the design and use of double-pulse laser-induced breakdown spectroscopy installed on a robotic system for remote detection and measurement of the canister surface chlorine concentration. The system meets the stringent requirements of dry cask storage inspection environment, especially the constrained space. The externally located pulsed laser, spectroscopic instrumentation, and data acquisition setup were interfaced to a robotic delivery car using a pair of 25-m long optical fibers. We discuss the design and construction details of the chlorine detection system and its detection performance in both laboratory and field-deployable configurations. We show that chlorine concentrations as low as 10 mg/m2 can be measured in field-compatible operations.",
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Robotic delivery of laser-induced breakdown spectroscopy for sensitive chlorine measurement in dry cask storage systems. / Fobar, D. G.; Xiao, X.; Burger, M.; Le Berre, S.; Motta, Arthur Thompson; Jovanovic, I.

In: Progress in Nuclear Energy, Vol. 109, 01.11.2018, p. 188-194.

Research output: Contribution to journalArticle

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AU - Xiao, X.

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AU - Le Berre, S.

AU - Motta, Arthur Thompson

AU - Jovanovic, I.

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