Spatial phase distributions for various flow patterns and two phase flow frictional pressure
drops of air–water flow in a horizontal helically coiled rectangular tube were experimentally …

Helically coiled pipes are widely used in many industrial and engineering applications
because of their compactness, larger heat transfer area per unit volume and higher …

In this study, the multi-objective optimizations (MOO) are conducted on a wavy twisted tri-
lobed tube using computational fluid dynamics (CFD) and genetic algorithm optimizer. To …

Helical tubes are widely used in heat exchangers in various industries. Due to the
secondary flow caused by centrifugal forces, flow and heat transfer characteristics in helical …

Heat transfer of supercritical water turbulent flow in helical and straight tubes is simulated
using the SST k− ω model to investigate the effects of property variations, buoyancy forces …

Helically coiled tubes are utilized as the heat transfer tubes for High-Temperature Gas-
cooled Reactor (HTGR) steam generators due to their compactness, thermal expansion …

Abstract High Temperature Gas-cooled Reactors (HTGR) have the advantage of inherent
safety compared with most Gen III reactors. They also have very high temperature, which …

To ensure the safety and efficiency of steam generators, it is crucial to understand the
distribution of thermal and mechanical parameters. Excessive gradients in the distribution of …

Enormous research has been conducted on the efficient flow and heat transfer performance
of helical tube. The helical tube with a large radius ratio (ratio of curvature radius to tube …

Flow instability may happen in both subcritical two-phase flow boiling systems (such as U
tube natural circulation steam generator of Pressurized Water Reactor, once through steam …