JOURNAL ARTICLE

Contact angle measurement system with liquid sodium in inert atmosphere.

  • Published In: Review of Scientific Instruments, 2023, v. 94, n. 6. P. 1 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Faizal, V. A.; Murugesan, N.; Sukumaran, V.; Jena, Hrudananda; Remash, C.; Ganesan, Rajesh; Jayaraman, V. 3 of 3

Abstract

The article focuses on the development and validation of a contact angle measurement system to study the wetting behavior of liquid sodium on materials used in fast breeder reactors, specifically nickel and SS316LN stainless steel. Liquid sodium is used as a heat transport medium in fast reactors due to its favorable chemical, physical, and nuclear properties, and its wetting characteristics significantly affect heat transfer and ultrasonic imaging in reactor components. The study established a high-purity argon glove box environment to minimize impurities and employed the static sessile drop method to measure contact angles as a function of temperature. Results showed that the contact angle of liquid sodium on nickel decreases with temperature, indicating improved wetting above 300 °C, consistent with literature, while the contact angle on SS316LN was measured for the first time, also showing increased wetting with temperature up to 372 °C. This facility enables precise evaluation of liquid sodium wettability on reactor materials under controlled conditions relevant to reactor operation.

Additional Information

  • Source:Review of Scientific Instruments. 2023/06, Vol. 94, Issue 6, p1
  • Document Type:Article
  • Subject Area:Chemistry
  • Publication Date:2023
  • ISSN:0034-6748
  • DOI:10.1063/5.0151599
  • Accession Number:164665401
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