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 …

Interfacial heat and mass transfer are prevalent in industrial processes. The interfacial
transfer rate can be obtained by the product of their fluxes and interfacial area concentration …

Tight lattice rod (or tube) bundles offer a more compact structure, enhancing heat transfer
efficiency and equipment compactness. Subchannel analysis codes are often utilized in …

Interfacial area concentration (IAC) plays a vital role in mass, momentum, and heat transfers
between gas and liquid phases in two-phase flows. The IAC of group-one bubbles, including …

This study investigated the axial two-phase flow evolution and interfacial area transport
characteristics downstream of the mixing vane spacer grid (MVSG) in a tight lattice rod …

Two-phase flows are common phenomena in numerous industrial equipment. The complex
and changeable phase interface determines the characteristics such as flow pattern …

Accurately modeling gas-liquid two-phase flows in rod bundles is critical for process
engineering, equipment optimization, and safety assessments involving rod bundle …

Accurate prediction of void fraction distribution is essential for system optimization, design,
and safety analysis which involves gas-liquid two-phase flow. This paper introduces a novel …

The spacer grid has a significant impact on the thermal-hydraulic characteristics of the rod
bundle channel, which directly determines the possibility of a boiling crisis. The multi-phase …

The inclusion of a grid spacer with vane is a crucial component in reactor fuel channels. This
component is employed to ensure the proper spacing and firmness of the rods during the …