Results 21 to 30 of about 52,055 (257)

Research on the Thermal Stratification Phenomenon at the Secondary Side of a Steam Generator in an Isolated Loop

open access: yesEnergies, 2022
In normal operation, there is no significant thermal stratification phenomenon in the tube bundle area of the steam generator of the nuclear power plant.
Xinxin Liu   +3 more
doaj   +1 more source

Reliability of Degraded Steam Generator Tubes [PDF]

open access: yes, 2011
Steam generators in the second generation nuclear power plants with pressurized water and CANDU reactors were in most cases of the shell-and-tube type. The reactor coolant passes through the tubes at the primary side and boils water on the outside of the tubes (secondary shell side) to make steam.
Cizelj, Leon, Roussel, Guy
openaire   +2 more sources

Research on Key Technology of Thermal Hydraulic Experiment of Pressurized Water Reactor Steam Generator

open access: yesYuanzineng kexue jishu, 2022
Both the new PWR steam generator and thermal hydraulic analysis software need to carry out experiment to verify the performance before engineering application. Onedimensional and threedimensional thermal hydraulic software of steam generator were used
LIAO Bo;WANG Yong;WANG Xianyuan
doaj  

Numerical Simulation of Impurity Deposition and Blockage in Tube Support Plate of Steam Generator

open access: yesYuanzineng kexue jishu, 2022
In the process of long-term operation of steam generators, although the secondary side of the water quality is strictly controlled, in the complex thermal hydraulic conditions, impurities will also accumulate in the steam generator.
MU Defang;WANG Mingjun;TIAN Wenxi;QIU Suizheng;SU Guanghui
doaj  

Failure Analysis of Steam Generator Tubes

open access: yes, 2023
Steam generator fabricated of alloy 600 tubes has been replaced in the last decades by newer versions built with alloy 690 or alloy 800 tubes. At first, it was thought that both alloys were resistant to SCC mechanisms but after several years of operation, some NPPs developed denting processes and IGSCC, especially in alloy 800.
Gonzalo, Diego,, Susana, Merino,
openaire   +3 more sources

Development of Three-dimensional Thermal-hydraulic Analysis Code HeTAF for Helical Coil Steam Generator

open access: yesYuanzineng kexue jishu, 2022
Helical coil steam generator has the advantages of compact structure, high heat transfer efficiency, strong resistance to thermal expansion stress, and has been widely applied in energy and power engineering, chemical industry and other fields.
LIU Kai;WANG Mingjun;ZHANG Jing;TIAN Wenxi;QIU Suizheng;SU Guanghui
doaj  

Numerical Study of Natural Circulation Flow in Reactor Coolant System during a Severe Accident

open access: yesScience and Technology of Nuclear Installations, 2022
The rupturing of steam generator tubes leads to serious accidents in nuclear power plants. It causes radioactive materials to leak into the secondary system and release outside the reactor containment region.
Dae Kyung Choi   +5 more
doaj   +1 more source

Thermal Hydraulic Modeling of Once-Through Steam Generator by Two-Fluid U-Tube Steam Generator Code

open access: yesAtom Indonesia, 2017
The THERMIT U-tube steam generator (THERMIT-UTSG) code was used for evaluation for the parametric study of a scaled once-through pressurized water reactor steam generator (OTSG) made by Babcock & Wilcox.
A. Zeighami   +3 more
doaj   +1 more source

The Effect of Clamping Force on the Wear Behavior of a Steam Generator Tube

open access: yesApplied Sciences, 2022
Anti-vibration bars (AVBs) are essential components of a steam generator (SG) and are used to prevent steam generator tubes (SGTs) from vibrating intensely because of flow-induced vibration.
Xuxin Dong   +6 more
doaj   +1 more source

Procedure of Active Residual Heat Removal after Emergency Shutdown of High-Temperature-Gas-Cooled Reactor

open access: yesScience and Technology of Nuclear Installations, 2014
After emergency shutdown of high-temperature-gas-cooled reactor, the residual heat of the reactor core should be removed. As the natural circulation process spends too long period of time to be utilized, an active residual heat removal procedure is ...
Xingtuan Yang   +3 more
doaj   +1 more source

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