Numerical prediction of a single phase pressurized thermal shock scenario for crack assessment in an reactor pressure vessel wall

HJ Uitslag-Doolaard, L Stefanini, A Shams… - Annals of Nuclear …, 2020 - Elsevier
A pressurized thermal shock (PTS) in a reactor pressure vessel (RPV) wall of a Pressurized
Water Reactor (PWR) could eventually lead to reduced integrity of the RPV. A PTS scenario …

Simulation study on phase separation and pressure distribution of refrigerant in horizontal double T-junctions

M Bai, R Zhao, P Lu, B Yang, L Zhao… - International Journal of …, 2021 - Elsevier
T-junction is widely used as a phase separation component to separate two-phase flow
because of its simple structure and low cost. Previous studies suggest that an increase in the …

Numerical study of thermal mixing phenomenon using partially averaged Navier-Stokes

A Bilal, P Gao - Nuclear Engineering and Design, 2023 - Elsevier
Thermal mixing between cold and hot streams of fluids in a T-junction may lead to high-cycle
thermal fatigue in nuclear power plant piping material. Temperature fluctuations near the …

Study on targeted influence of annular porous media and rotating impeller on thermal mixing in T-junctions

Z Zhu, S Wang, K Huang, D Xu, M Lin… - Applied Thermal …, 2023 - Elsevier
T-junctions are utilized as the thermal mixing equipment of hot and cold fluids in chemical
and nuclear industries. However, the flow/heat induced fatigue damage can be generated in …

[PDF][PDF] A Preliminary Numerical Investigation of Thermal Mixing Efficiency in T-Junctions with Different Flow Configurations.

M Nuruzzaman, W Pao, F Ejaz… - International Journal of …, 2021 - researchgate.net
Accepted: 18 September 2021 When hot and cold fluids flow through a converging T-
junction, rapid temperature fluctuations occur in the mixing region due to the thermal mixing …

Direct numerical simulation of flow and heat transfer in a simplified pressurized thermal shock scenario

A Shams, D De Santis, D Rosa, T Kwiatkowski… - International Journal of …, 2019 - Elsevier
Direct numerical simulation (DNS) is carried out using a high order spectral element method
in order to analyse the flow and thermal fields in a Pressurized Thermal Shock (PTS) …

Investigation on the thermal mixing enhancement in a T-junction pipe

MH Hekmat, S Saharkhiz, E Izadpanah - Journal of the Brazilian Society of …, 2019 - Springer
In this paper, three-dimensional numerical simulations are conducted to study the thermal
mixing of turbulent flow in a T-junction with hot fluid flowing in the main pipe and cold fluid in …

Design of a Direct numerical Simulation of flow and heat transfer in a T-junction

AA Kumar, A Mathur, M Gerritsma, E Komen - Nuclear Engineering and …, 2023 - Elsevier
Several investigations have been undertaken to study the velocity and temperature fields
associated with the thermal mixing between fluids, and resulting thermal striping in a T …

Advanced Structural Integrity Assessment Tools for Safe Long Term Operation: ATLAS+ Project—Status of the Activities of the WP3 on Modelling

S Marie, A Blouin, T Nicak… - Pressure Vessels …, 2019 - asmedigitalcollection.asme.org
The main objective and mission of the ATLAS+ project is to develop advanced structural
assessment tools to address the remaining technology gaps for the safe and long term …

Advanced Structural Integrity Assessment Tools for Safe Long Term Operation-ATLAS+ Project: Status of the Activities of the WP3 on Modelling in 2020 & 2021

A Blouin, S Marie, T Nicak… - Pressure Vessels …, 2022 - asmedigitalcollection.asme.org
The main objective and mission of the ATLAS+ project was to develop advanced structural
assessment tools to address the remaining technology gaps for the safe and long term …