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Volume 16
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Article

Simultaneous Solution of Helical Coiled Once-Through Steam Generator with High-Speed Water Property Library

by
Yingjie Wu
,
Zhuo Jiang
,
Han Zhang
*,
Lixun Liu
,
Huanran Tang
,
Jiong Guo
and
Fu Li
Institute of Nuclear and New Energy Technology, Collaborative Innovation Center of Advanced Nuclear Energy Technology, Key Laboratory of Advanced Reactor Engineering and Safety of Ministry of Education, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Energies 2023, 16(4), 1627; https://doi.org/10.3390/en16041627
Submission received: 16 December 2022 / Revised: 27 January 2023 / Accepted: 27 January 2023 / Published: 6 February 2023
(This article belongs to the Special Issue Advances in Nuclear Energy: Recent Progress on Thermal Hydraulics in Nuclear Reactors Multiphysics Applications and Coupling Schemes)
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Abstract

Efficient simulation of the helical coiled once-through steam generator (H-OTSG) is crucial in the design and safety analysis of the high-temperature gas-cooled reactor (HTGR). The physical property and phase transformation of water in the steam generator brings great challenges during simulation. The water properties calculation routine occupies a large part of the computational time in the steam generator solution process. Thus, a thermohydraulic property library is developed based on the IAPWS-IF97 formulation in this work to reduce the computational cost. Here the formulation adopts the backward equation method to avoid iterations in thermodynamic property calculation. Moreover, two Newton-method-based simultaneous solutions are implemented as implicitly nonlinear solvers, including Jacobian-Free Newton–Krylov (JFNK) and Newton–Krylov (NK) methods, due to its excellent computational performance. These simultaneous solution algorithms are combined with the developed water property library to simulate the H-OTSG efficiently. The numerical analysis is performed based on the transient and steady-state cases of the HTR-10 steam generator. Successful simulations of HTR-10 steam generator cases demonstrate the capability of the newly developed method.
Keywords: water property; IAPWS-IF97; H-OTSG; JFNK; NK water property; IAPWS-IF97; H-OTSG; JFNK; NK

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MDPI and ACS Style

Wu, Y.; Jiang, Z.; Zhang, H.; Liu, L.; Tang, H.; Guo, J.; Li, F. Simultaneous Solution of Helical Coiled Once-Through Steam Generator with High-Speed Water Property Library. Energies 2023, 16, 1627. https://doi.org/10.3390/en16041627

AMA Style

Wu Y, Jiang Z, Zhang H, Liu L, Tang H, Guo J, Li F. Simultaneous Solution of Helical Coiled Once-Through Steam Generator with High-Speed Water Property Library. Energies. 2023; 16(4):1627. https://doi.org/10.3390/en16041627

Chicago/Turabian Style

Wu, Yingjie, Zhuo Jiang, Han Zhang, Lixun Liu, Huanran Tang, Jiong Guo, and Fu Li. 2023. "Simultaneous Solution of Helical Coiled Once-Through Steam Generator with High-Speed Water Property Library" Energies 16, no. 4: 1627. https://doi.org/10.3390/en16041627

APA Style

Wu, Y., Jiang, Z., Zhang, H., Liu, L., Tang, H., Guo, J., & Li, F. (2023). Simultaneous Solution of Helical Coiled Once-Through Steam Generator with High-Speed Water Property Library. Energies, 16(4), 1627. https://doi.org/10.3390/en16041627

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