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Thermal Hydraulics
The division provides a forum for focused technical dialogue on thermal hydraulic technology in the nuclear industry. Specifically, this will include heat transfer and fluid mechanics involved in the utilization of nuclear energy. It is intended to attract the highest quality of theoretical and experimental work to ANS, including research on basic phenomena and application to nuclear system design.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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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NRC wants input on Hermes 2 test reactor construction permit
The Nuclear Regulatory Commission is seeking input on its draft environmental assessment and draft finding of no significant impact for Kairos Power’s application to build the Hermes 2 test reactor facility in Oak Ridge, Tenn.
Humberto E. Garcia, Richard B. Vilim, Eric M. Dean
Nuclear Science and Engineering | Volume 125 | Number 3 | March 1997 | Pages 337-347
Technical Paper | doi.org/10.13182/NSE97-A24279
Articles are hosted by Taylor and Francis Online.
The implementation of a computer-based controller for regulating reactor inlet temperature (RIT) in a pool-type power plant is described. The mathematical description of the controller is given in a companion paper. The elements of the control system are organized in a master-follower hierarchical architecture that takes advantage of existing in-plant hardware and software to minimize the need for plant modifications. Low-level control algorithms are executed on existing local digital controllers (followers) with the high-level algorithms executed on a new plant supervisory computer (master). A distributed computing strategy provides integration of the existing and additional computer platforms. The control system operates by having the master controller first estimate the secondary sodium flow needed to achieve a given RIT. The estimated flow is then used as a setpoint by the follower controller to regulate sodium flow using a motor-generator pump set. The control system has been implemented in a hardware-in-the-loop (HIL) setup and qualified for operation in the Experimental Breeder Reactor II at Argonne National Laboratory. The HIL results are provided.