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A Conceptual Multiscale Entropy Production Approach for Assessing Thermal Hydraulics Characteristics in Nuclear Reactor Systems

[+] Author Affiliations
Yu Ji, Hao-Chun Zhang, Guo-Qiang Xu, Yi-Ning Zhang

Harbin Institute of Technology, Harbin, China

Xu-Wei Wang

State Nuclear Power Technology Corporation Research & Development Centre, Beijing, China

Paper No. ICONE24-60348, pp. V003T09A021; 8 pages
  • 2016 24th International Conference on Nuclear Engineering
  • Volume 3: Thermal-Hydraulics
  • Charlotte, North Carolina, USA, June 26–30, 2016
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5003-9
  • Copyright © 2016 by ASME


Thermal Hydraulics (T-H) process exerts important effect on nuclear reactor systems. Due to their complexity, it is necessary to propose an appropriate approach for modeling and investigating the processes, such as multiscale modeling technique. The current work attempts to provide a scheme of conceptual multiscale entropy production approach in view of descriptions of thermal hydraulic characteristics in nuclear reactor system at local, component and system scales. Based on some fundamental principles, the optimal thermal hydraulics design (OTHD) procedure in implementing the approach is established. Moreover, two instances are considered to show the applicability of the current approach, with respect to local and system scale. In addition, the approach proposed would contribute to make deeper understanding of the thermal hydraulic processes.

Copyright © 2016 by ASME



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