Progress in two-phase flow modeling: Interfacial area transport

S Kim, M Ishii, R Kong, G Wang - Nuclear Engineering and Design, 2021 - Elsevier
The interfacial area transport equation (IATE) employs a dynamic approach to predict
interfacial area concentration (IAC) in two-phase flows. It eliminates the need for the static …

A comprehensive review of numerical and experimental research on the thermal-hydraulics of two-phase flows in vertical rod bundles

S Taş - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Thermal-hydraulic analysis of two-phase flow plays a crucial role in the optimal design of
nuclear fuel assemblies and in nuclear safety. This paper presents the state of the art in two …

Some characteristics of air-water two-phase flow in the subchannel of a tight lattice rod bundle

H Zhang, T Hibiki, Y Xiao, H Gu - International Communications in Heat and …, 2024 - Elsevier
A tight lattice rod (or tube) bundle is a promising design concept to enhance heat transfer
efficiency in heat exchangers using a phase change. Understanding gas-liquid two-phase …

Two-group drift-flux model for dispersed gas-liquid flows in rod bundles

M Yu, T Hibiki - International Journal of Heat and Mass Transfer, 2024 - Elsevier
Interfacial transfer terms in gas-liquid two-phase flows are formulated as the product of
interfacial area concentration (IAC) and flux. The interfacial area transport equation (IATE) is …

Flow characteristics of dispersed two-phase flows in an 8× 8 rod bundle

M Yu, T Hibiki, N Tsukamoto, S Miwa - Experimental Thermal and Fluid …, 2024 - Elsevier
Two-phase flows in rod bundles or tube bundles appear in heat transfer systems. The
bundle-average (or one-dimensional) void fraction is a critical parameter in overall system …

One-dimensional drift-flux correlations for two-phase flow in medium-size channels

T Hibiki - Experimental and Computational Multiphase Flow, 2019 - Springer
The drift-flux parameters such as distribution parameter and drift velocity are critical
parameters in the one-dimensional two-fluid model used in nuclear thermal-hydraulic …

Two-group phase distribution characteristics for air-water flow in 5× 5 vertical rod bundle channel with mixing vane spacer grids

QY Ren, LM Pan, Z Pu, F Zhu, H He - … Journal of Heat and Mass Transfer, 2021 - Elsevier
The phase distribution in rod bundle channel was associated with the heat transfer
coefficient, flow resistance and critical heat flux, which was of great significance for the …

Constitutive equations for vertical upward two-phase flow in rod bundle

T Hibiki, T Ozaki, X Shen, S Miwa, I Kinoshita… - International Journal of …, 2018 - Elsevier
In view of the quality assurance of two-phase flow simulations, CSAU (Code Scalability,
Applicability, and Uncertainty) methodology and code V & V (Verification and Validation) …

The research on interfacial area transport equation in rectangular channels: Experimental research and models development of sink and source terms

Q He, J Liu, L Pan, Y Yu, L Zhang, W Xu… - Progress in Nuclear Energy, 2023 - Elsevier
Interfacial area concentration is a crucial constitutive parameter to close the two-fluid model,
the accuracy of whose prediction is vital, so the interfacial area transport equation (IATE) has …

Two-group bubble interfacial area concentration correlation for upward bubbly to churn flows in vertical rod bundle flow channels

X Han, G Duan, J Wang - International Journal of Heat and Mass Transfer, 2023 - Elsevier
The detailed understanding and accurate modeling of the upward two-phase flows in
vertical rod bundle flow channels are significant for various industrial applications, such as …