Film cooling is an indispensable scheme in the design of highly-efficient cooling
configurations to satisfy the thermal protection requirement of turbine hot section …

Gas turbines are widely used in the areas of air propulsion, electric power generation, ship
propulsion, external driving units, and other industrial applications. Efficient coating and …

The thermal and flow fields of round and trenched holes in the flat-plate model are
investigated using large eddy simulation (LES) after validated against the experimental …

Many previous studies have demonstrated that both transverse trench and backward cooling
injection are capable of improving jet lift-off problem of traditional cylindrical film hole at high …

The effect of a step positioned upstream of a row of film-cooling holes on the film-cooling
effectiveness is studied systematically using the steady state pressure sensitive paint …

In this work, the influence of several lip structures on the effectiveness of film cooling and the
flow fields of transverse trenched holes at different blowing ratios (BRs) ranging from 0.5 to …

The trenched-hole film cooling with different compound angles and coolant inflow
orientations is investigated at the blowing ratio of M= 1.0 by large eddy simulation (LES) …

The leading edge region along the endwall of a stator vane experiences high heat transfer
rates resulting from the formation of horseshoe vortices. Typical gas turbine endwall designs …

In this study, computational simulations were made using ANSYS CFX to predict the
improvements in film cooling performance by using novel upstream steps. These steps are …

Turbine guide vane faces extremely high thermal load, especially on the leading edge
region. In order to enhance cooling performance, the present study investigates the effects of …