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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Empowering the next generation: ANS’s newest book focuses on careers in nuclear energy
A new career guide for the nuclear energy industry is now available: The Nuclear Empowered Workforce by Earnestine Johnson. Drawing on more than 30 years of experience across 16 nuclear facilities, Johnson offers a practical, insightful look into some of the many career paths available in commercial nuclear power. To mark the release, Johnson sat down with Nuclear News for a wide-ranging conversation about her career, her motivation for writing the book, and her advice for the next generation of nuclear professionals.
When Johnson began her career at engineering services company Stone & Webster, she entered a field still reeling from the effects of the Three Mile Island incident in 1979, nearly 15 years earlier. Her hiring cohort was the first group of new engineering graduates the company had brought on since TMI, a reflection of the industry-wide pause in nuclear construction. Her first long-term assignment—at the Millstone site in Waterford, Conn., helping resolve design issues stemming from TMI—marked the beginning of a long and varied career that spanned positions across the country.
D. Moghul, J. C. Luxat
Nuclear Technology | Volume 205 | Number 1 | January-February 2019 | Pages 104-118
Technical Paper | doi.org/10.1080/00295450.2018.1515411
Articles are hosted by Taylor and Francis Online.
Experimental studies of thermal interactions of cold liquid droplets impinging on metal surfaces have been performed and the result of these studies are summarized in this paper. In these experiments rapid, energetic (explosive) breakup of the liquid drops were observed using high-speed video camera recordings. These energetic interactions occurred over a range of high temperatures of the metal surfaces and varied with the type of metal employed. Three metals were used in the study, namely, copper, brass, and stainless steel. The test sections included curved-plate (sections machined from metal cylinders) and flat-plate geometries. The choice of metals was determined by the objective of establishing the influence of thermal diffusivity of the hot material on the thermal interaction between the cold liquid droplet and the hot metal surface, and the two metal surface geometries were used to study the influence of droplet spreading behavior after impact with the hot metal surface. Metal surface temperatures ranged from 30°C to 700°C and controlled single water droplets at a temperature of 25°C were released from a specially designed rig employing a small fast–opening/closing solenoid valve. Experimental results are presented in this paper that demonstrate the processes that occur during the interaction of the droplet with the hot metal surface during a time frame of 1 to 20 ms.
