Numerical simulation of the evaporator in two-phase thermosyphon loop for passive containment cooling system

被引：4

作者：

Yin, Xuan ^{[1
]}

Wu, Xiaotian ^{[2
]}

Zhou, Shaofei ^{[2
]}

Zhu, Xixi ^{[1
]}

Wang, Naihua ^{[2
]}

机构：

[1] Shandong Univ, Inst Thermal Sci & Technol, Jinan 250061, Shandong, Peoples R China

[2] China Nucl Power Engn Co Ltd, State Key Lab Nucl Power Safety Monitoring Technol, Shenzhen 518000, Peoples R China

来源：

ANNALS OF NUCLEAR ENERGY | 2023年 / 180卷

关键词：

Two-phase thermosyphon loop; Heat transfer; Numerical simulation; Volume of fluid; FLOW REGIME TRANSITION; BOILING HEAT-TRANSFER; VERTICAL TUBE; FILL RATIO; PATTERNS; IDENTIFICATION; TEMPERATURE; MODEL; WATER;

D O I：

10.1016/j.anucene.2022.109506

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

This study applied experimental data as numerical simulation input conditions to calculate the evaporator operating states of a two-phase thermosyphon loop for a passive containment cooling system. The numerical model comprised a vertically arranged steel tube operating in a steam environment at 134 degrees C, with an inner diameter of 17 mm and an length of 800 mm, and the working fluid was water. The evaporator exhibited different flow and heat transfer characteristics under filling ratios (FRs) ranging from 40 % to 65 %. The results indicated that bubbly, cap, and slug flows could be sequentially observed along the flow direction. The starting position of the bubble flow varied with the subcooling of the inlet fluid. The flow patterns in the upper part of the tube were similar for the 55 % and 65 % FRs. Compared with the experiment, the simulated liquid-level fluc-tuation was smaller.

引用

页数：12

共 50 条

[21] Numerical study on the two-phase flow pattern and temperature distribution in a loop thermosyphon as a defrost device at the evaporator in the refrigerator
Seong Hyun Park
Young Soo Kim
Seung Youn Kim
Yong Gap Park
Man Yeong Ha
[J]. Journal of Mechanical Science and Technology, 2018, 32 : 5927 - 5936
[22] SIMULATION AND VALIDATION OF A TWO-PHASE PUMPED LOOP COOLING SYSTEM
Magee, Thomas C.
Hines, Kristen M.
Dumesh, Mike A.
Meekins, Andrew D.
Bridges, Michael M.
[J]. PROCEEDINGS OF THE ASME INTERNATIONAL MECHANICAL ENGINEERING CONGRESS AND EXPOSITION, 2019, VOL 8, 2019,
[23] Application of a two-phase thermosyphon loop with minichannels and a minipump in computer cooling
Bielinski, Henryk
Mikielewicz, Jaroslaw
[J]. ARCHIVES OF THERMODYNAMICS, 2016, 37 (01) : 3 - 16
[24] An experimental study of a two-phase closed loop thermosyphon with dual evaporator in parallel arrangement
Chul Ju Kim
Byoung Ok Yoo
Yong Joo Park
[J]. Journal of Mechanical Science and Technology, 2005, 19 : 189 - 198
[25] An experimental study of a two-phase closed loop thermosyphon with dual evaporator in parallel arrangement
Kim, CJ
Yoo, BO
Park, YJ
[J]. JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2005, 19 (01) : 189 - 198
[26] Instability of a two-phase loop thermosyphon
Seok-Ho Rhi
[J]. KSME International Journal, 2002, 16 : 1019 - 1028
[27] Numerical modeling and cooling performance evaluation of a pressure-driven two-phase closed thermosyphon with a long horizontal evaporator
Zhou, Yanqiao
Zhang, Mingyi
Pei, Wansheng
Wu, Kangsen
Li, Guanji
[J]. RENEWABLE ENERGY, 2024, 222
[28] Numerical simulation on the heat transfer characteristics of two-phase loop thermosyphon with high filling ratios
Wang, Kuiming
Hu, Chengzhi
Jiang, Bo
Hu, Xianfeng
Tang, Dawei
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2022, 184
[29] Instability of a two-phase loop thermosyphon
Rhi, SH
[J]. KSME INTERNATIONAL JOURNAL, 2002, 16 (07): : 1019 - 1028
[30] Erratum to: Design of a two-phase loop thermosyphon for telecommunications system (II)-analysis and simulation
Won Tae Kim
Kwang Soo Kim
Young Lee
[J]. KSME International Journal, 1999, 13 (7) : 584 - 584

← 1 2 3 4 5 →