Entropy generation and exergy destruction in condensing steam flow through turbine blade with surface roughness
In the steam turbine, the wetness loss due to vapor condensation is one of the most crucial
losses at low-pressure stage. This study focused on entropy generation and exergy …
losses at low-pressure stage. This study focused on entropy generation and exergy …
Distributed roughness effects on transitional and turbulent boundary layers
A numerical investigation is carried out to study the transition of a subsonic boundary layer
on a flat plate with roughness elements distributed over the entire surface. Post-transition …
on a flat plate with roughness elements distributed over the entire surface. Post-transition …
Dynamics of bypass transition behind roughness element subjected to pulses of free-stream turbulence
This study explores the dynamics of bypass transition of a zero pressure gradient boundary
layer transitioning under the combined influence of an isolated roughness element with …
layer transitioning under the combined influence of an isolated roughness element with …
Effects of forced frequency oscillations and free stream turbulence on the separation-induced transition in pressure gradient dominated flows
A Sengupta, P Tucker - Physics of Fluids, 2020 - pubs.aip.org
The individual and cumulative effects of forced frequency oscillations and free stream
turbulence (FST), on the separation-induced transition caused by an adverse pressure …
turbulence (FST), on the separation-induced transition caused by an adverse pressure …
Numerical investigation of distributed roughness effects on separated flow transition over a highly loaded compressor blade
M Wang, X Lu, C Yang, S Zhao, Y Zhang - Physics of Fluids, 2021 - pubs.aip.org
Large eddy simulations were conducted to investigate the effects of distributed roughness
on separated flow transitions over a highly loaded compressor blade at a Reynolds number …
on separated flow transitions over a highly loaded compressor blade at a Reynolds number …
Axial turbine aerodynamics for aero-engines
Z Zou, S Wang, H Liu, W Zhang - Springer, Singapore. https://doi. org/10, 2018 - Springer
With the progress of aviation technology, turbine aerodynamic, as one of the major support
subjects for the development of aero-gas turbine, has experienced a rapid development in …
subjects for the development of aero-gas turbine, has experienced a rapid development in …
Unsteady non-equilibrium condensation flow of 3-D wet steam stage of steam turbine with roughness using sliding mesh method
This research develops the non-equilibrium condensation model with sliding mesh
technology to solve the unsteady condensing flow inside a 3D wet steam stage of steam …
technology to solve the unsteady condensing flow inside a 3D wet steam stage of steam …
Surface roughness impact on boundary layer transition and loss mechanisms over a flat-plate under a low-pressure turbine pressure gradient
H Jeong, SJ Song - Journal of turbomachinery, 2022 - asmedigitalcollection.asme.org
An experimental study has been conducted to investigate the effects of surface roughness
on the profile loss of a flat-plate with a contoured wall. All of the measurements have been …
on the profile loss of a flat-plate with a contoured wall. All of the measurements have been …
Large eddy simulation for turbines: methodologies, cost and future outlooks
Flows throughout different zones of turbines have been investigated using large eddy
simulation (LES) and hybrid Reynolds-averaged Navier–Stokes-LES (RANS-LES) methods …
simulation (LES) and hybrid Reynolds-averaged Navier–Stokes-LES (RANS-LES) methods …
Large eddy simulations in turbines: influence of roughness and free-stream turbulence
The individual and coupled effects of the incoming free-stream turbulence (FST) and surface
roughness on the transition of a separated shear layer over a flat plate is numerically …
roughness on the transition of a separated shear layer over a flat plate is numerically …