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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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Fusion Science and Technology
Latest News
A webinar, and a new opportunity to take ANS’s CNP Exam
Applications are now open for the fall 2025 testing period for the American Nuclear Society’s Certified Nuclear Professional (CNP) exam. Applications are being accepted through October 14, and only three testing sessions are offered per year, so it is important to apply soon. The test will be administered from November 12 through December 16. To check eligibility and schedule your exam, click here.
In addition, taking place tomorrow (September 19) from 12:00 noon to 1:00 p.m. (CDT), ANS will host a new webinar, “How to Become a Certified Nuclear Professional.” More information is available below in this article.
Kazuhisa Yuki, Makoto Kawamoto, Munehito Hattori, Koichi Suzuki, Ken-ichi Sunamoto, Akio Sagara
Fusion Science and Technology | Volume 68 | Number 3 | October 2015 | Pages 715-719
Technical Note | Proceedings of TOFE-2014 | doi.org/10.13182/FST15-115
Articles are hosted by Taylor and Francis Online.
In this study, in order to enhance heat transfer performance of helium gas flow for divertor cooling, high thermal conductivity porous media that are copper-particles-sintered ones are introduced as the referential porous media. In order to predict the heat transfer performance of He gas impinging jet flow with the porous medium, nitrogen gas is used as the simulant of helium gas in the pressure range of 0.1 MPa to 0.8 MPa. With the porous medium, the particle introduced is highly size-adjusted one of 1000 μm in diameter and the porosity is almost 30 %. The maximum heat transfer performance is evaluated by numerically simulating temperature field in a heat transfer block based on the measured temperature data. The experiments prove that the heat transfer coefficient of N2 gas impinging jet flow with the porous medium is much higher than that of common impinging jet flow without the porous medium from the view point of not only flow velocity but also pumping power.