5/12/2020 9:22 AMAlloy 617

Alloy 617 is not a new material, but it made the news after Idaho National Laboratory announced that it was recently added to the ASME Boiler and Pressure Vessel Code for high-temperature nuclear applications, bringing the total number of qualified high-temperature materials to six. Read Article

5/12/2020 9:31 AMINL ANS

When Navigating Nuclear’s latest virtual field trip (VFT) debuted online in February during Engineers Week, students in classrooms around the country learned about nuclear advancements happening right now at Idaho National Laboratory, on technologies including advanced reactors, TRISO fuel, and space power systems. Read Article

5/12/2020 9:33 AMMIT Cover Sheet
Idaho National Laboratory's Dave Petti is in Europe this week presenting on a new MIT report he led that found on the role of nuclear energy in a carbon-constrained world. Read Article
3/28/2018 10:12 AM

​We continue this look at original materials covering America's second commercial High Temperature Gas-cooled Reactor (HTGR) with the examination of components of the NSSS, or Nuclear Steam Supply System. Read Article.

3/28/2018 10:05 AM

One of the important design goals for the Fort St. Vrain reactor – really, the second-generation high temperature gas cooled reactor – was to create a core design that would be more compact than that actually used at Peach Bottom.  An innovative design was developed using stacked reactor-grade graphite modular blocks which incorporated fuel rods that contained coated fuel particles.

3/28/2018 10:00 AM

​The Fort St. Vrain project was innovative in more than one respect, and while it did not blaze the trail in HTGR (High Temperature Gas-cooled Reactor) commercialization – a feat accomplished by the Peach Bottom Atomic Power Station – it did considerably advance the technology toward full commercial operation and duplication on a wide scale through some significant design changes.  One of the most interesting of these was the use of a prestressed concrete reactor vessel (PCRV) for the reactor itself and primary components instead of a steel vessel. Read Article.

2/8/2018 12:37 PMFort St. Vrain

What became the Fort St. Vrain Nuclear Generating Station began as a study almost two decades before the plant was completed and led to years of effort to construct a commercial high-temperature gas-cooled nuclear power plant. ​Read Article.

2/1/2018 12:59 PMProf Dong

 Dr. Yujie Dong is a Professor in Nuclear Engineering at Tsinghua University, Beijing, China he will be presenting a Webinar Series 17: Design, Safety Features and Progress of the HTR-PM. ​Read Article

1/23/2018 9:19 AM

​The pressure vessel head has been installed at one of the two high-temperature gas-cooled reactor units that make up the demonstration HTR-PM plant under construction at Shidaowan in China's Shandong province. Read article.

2/7/2018 10:08 AMHTR-PM vessel head

​The pressure vessel head has been installed at one of the two high-temperature gas-cooled reactor units that make up the demonstration HTR-PM plant under construction at Shidaowan in China's Shandong province. Read Article.

1/23/2018 9:17 AM

An advanced technology that uses nuclear energy to produce high temperature heat for industry could be an important tool in cutting carbon dioxide emissions worldwide, said experts at an IAEA roundtable discussion today. The technology, which is expected to be deployable in coming years, could add to low carbon energy sources  for use for transportation and a number of industrial applications requiring high temperature heat. Read article.

1/23/2018 9:19 AM

​China is moving rapidly towards using nuclear power as an industrial heat source and as a direct replacement for coal, Yulong Wu, CEO of Chinergy, told a side event at the International Atomic Energy Agency's General Conference 09/19/2017. Read article.

5/12/2020 9:21 AMTRISO

​INL Neutron Radiography Reactor re-irradiates fuel to enable safety analyses. Read Article

2/1/2018 12:48 PM

​The loading of spherical moderator elements has begun at China's Shidaowan HTR-PM - a high-temperature gas-cooled reactor (HTGR) demonstration project. The unit is scheduled to begin operating later this year.  Read article.

2/7/2018 10:00 AMXe-100 HTGC PBM

X-energy, LLC has pebbles to burn. Last week, the company announced that it has started the conceptual design phase for its Xe-100 high temperature gas-cooled (HTGR) pebble bed modular reactor. Read Article.

2/7/2018 10:00 AMfirst matrix-only %22pebble%22

X-energy yesterday announced the start of work on the conceptual design of its Xe-100 high temperature gas-cooled pebble bed modular reactor, following a review of the company's readiness by an external panel of industry experts. Read Article.

2/1/2018 12:52 PMVHTR GIF Webinar

Dr. Carl Sink, DOE-NE presents a  Description and History of HTGRs, HTGR Safety Design Approach, HTGRs for Cogeneration and Process Heat, and Why HTGRS? Read Article

2/7/2018 10:06 AMEC

​A small modular nuclear reactor to replace coal plants could be on the market within 5 years.  In 2014, the Generation IV international forum confirmed the Very High Temperature Reactor (VHTR) as one of 6 promising reactor technologies that should be pursued in order to develop advanced reactors suitable for deployment in the 2030’s. Read Article .

2/7/2018 10:00 AM

​In an innovative partnership tiny X-Energy, a start-up, has teamed with one of America’s biggest nuclear utilities, Southern Co., to collaborate on the development and commercialization of the design of a high temperature gas-cooled reactor. Read Article.


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