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Separate and integral effect tests of aerosol retention in steam generator during tube rupture accident

Nuclear Engineering and Technology, 2022
A steam generator tube rupture accompanying a core damage may cause the fission product to be released to environment bypassing the containment. In such an accident, the steam generator is the major path of the radioactive aerosol release.AEOLUS facility,
Byeonghee Lee, Sung-Il Kim, Kwang Soon Ha   +2 more
doaj   +3 more sources

Estimation of the effective length of microcracks occurring in the water-steam pipeline at cyclic operation mode of NPP steam generator

Глобальная ядерная безопасность, 2023
During operation of water-water reactors including KLT-40 type reactors widely used nowadays on icebreakers and floating power units (FPU), the issue of the duration of safe operation of steam generators is acute.
A. P. Elokhin
doaj   +1 more source

Numerical simulation of steam bubble dynamics at microcrack in LBE descending flow field

He jishu, 2022
BackgroundWhen steam generator tube rupture (SGTR) occurs in the lead-bismuth cooled fast reactor, high pressure water/steam flows into the primary side filled with high temperature liquid metal.
DONG Weijian, CONG Tenglong, ZHU Junzhi, XIAO Yao, ZOU Xumao, GU Hanyang   +5 more
doaj   +1 more source

Cavity-shaped direct solar steam generator employing conical helical tube for high-temperature application: Model development, experimental testing and numerical analysis

Energy Conversion and Management: X, 2023
Concentrating solar thermal technologies are drawing more attention since it can substantially contribute to a carbon-neutral society. The solar receivers are essential in this technology to convert solar energy efficiently into thermal energy. Moreover,
Yasuki Kadohiro, Vamshi Krishna Thanda, Bruno Lachmann, Kai Risthaus, Nathalie Monnerie, Martin Roeb, Christian Sattler   +6 more
doaj   +1 more source

Analysis of steam generator tube rupture accidents for the development of mitigation strategies

Nuclear Engineering and Technology, 2022
We analyzed mitigation strategies for steam generator tube rupture (SGTR) accidents using MARS code under both full-power and low-power and shutdown (LPSD) conditions.
Jungjin Bang, Gi Hyeon Choi, Dong-Wook Jerng, Sung-Won Bae, Sunghyon Jang, Sang Jun Ha   +5 more
doaj   +1 more source

Coupled modeling of neutronics and thermal-hydraulics processes in LFR under SG-leakage condition [PDF]

Nuclear Energy and Technology, 2023
The lead cooled reactor BREST-OD-300 is developing as a part of Russian federal project “PRORYV”. Two- circuit scheme is used in the reactor for heat removal.
Yurii S. Khomyakov, Valerii I. Rachkov, Iurii E. Shvetsov   +2 more
doaj   +3 more sources

Micro-Galvanic Corrosion of Steam Generator Materials within Pores of Magnetite Flakes in Alkaline Solutions

Metals, 2018
In secondary coolant system of the pressurized water reactors, the reduced corrosion products such as metallic Cu and Pb particles were accumulated in the pores of the magnetite flakes and electrically contacted to the steam generator materials.
Soon-Hyeok Jeon, Geun Dong Song, Do Haeng Hur   +2 more
doaj   +1 more source

Experimental investigation of heat and mass exchange processes during operation of VVER steam generator in emergency condensing mode

Nuclear Energy and Technology, 2017
GE2M-PG test facility was constructed at the JSC “SSC RF-IPPE” for assessment of efficiency of VVER steam generator and investigation of effects of initial conditions of the accident on the processes of heat exchange in the steam generator (SG) tube ...
A.S. Shlyopkin, A.V. Morozov, D.S. Kalyakin, A.S. Soshkina   +3 more
doaj   +1 more source

Thermal-hydraulic Characteristics Analysis Method of Helical Coil Steam Generator in High Temperature Gas Reactor

Yuanzineng kexue jishu, 2022
High temperature gas reactors (HTGRs) have broad application prospects in power supply, seawater desalination and hydrogen production. Helical coil steam generators have the advantages of compact structure, high heat transfer efficiency and resistance to
WANG Mingjun;SUN Jinxiang;ZHANG Jing;TIAN Wenxi;QIU Suizheng;SU Guanghui
doaj  

Numerical Study on the Effect of Deposit Layer on the Minimum Wall Thickness of Boiler Water Tube under Different Operating Conditions

Applied Sciences, 2022
Water wall tube temperature is a major parameter in the steam generator design which has a significant role in keeping the steam generator available. Thus, knowing the tube average temperature in different operating conditions is very important to avoid ...
Ahmed S. Aljohani, Khaled I. Ahmed, Saeed Asiri, Mohamed H. Ahmed   +3 more
doaj   +1 more source