Perspectives in modeling film cooling of turbine blades by transcending conventional two-equation turbulence models

A Azzi, D Lakehal - J. Turbomach., 2002 - asmedigitalcollection.asme.org
The paper presents recent trends in modeling jets in crossflow with relevance to film cooling
of turbine blades. The aim is to compare two classes of turbulence models with respect to …

Three-dimensional flow and heat transfer calculations of film cooling at the leading edge of a symmetrical turbine blade model

D Lakehal, GS Theodoridis, W Rodi - International journal of heat and fluid …, 2001 - Elsevier
Film cooling of a symmetrical turbine-blade model by lateral and non-lateral injection from
one row of holes placed on each side near the leading edge is calculated with a 3D finite …

Convective heat transfer in cross-corrugated triangular ducts under uniform heat flux boundary conditions

L Zhang, Z Chen - International Journal of Heat and Mass Transfer, 2011 - Elsevier
Cross-corrugated triangular ducts provide high heat mass transfer capabilities in membrane
based air-to-air heat mass exchangers. The mixing effect would intensify the convective heat …

Near-wall modeling of turbulent convective heat transport in film cooling of turbine blades with the aid of direct numerical simulation data

D Lakehal - J. Turbomach., 2002 - asmedigitalcollection.asme.org
The paper presents novel developments in the DNS-based, turbulence modeling strategy of
Lakehal et al. developed for calculating jets in crossflow. The particular features of the model …

Numerical study of periodically fully developed flow and heat transfer in cross-corrugated triangular channels in transitional flow regime

LZ Zhang - Numerical Heat Transfer, Part A: Applications, 2005 - Taylor & Francis
Cross-corrugated triangular ducts provide high heat transfer capabilities with strong
mechanical strength. Flows in such geometries are usually transitional, with typical …

Heat transfer research on gas turbine airfoils at NASA GRC

VK Garg - International Journal of Heat and Fluid Flow, 2002 - Elsevier
The turbine gas path is a very complex flow field due to a variety of flow and heat transfer
phenomena encountered in turbine passages. This manuscript provides an overview of the …

Evaluation of CFD simulations of film cooling performance on a turbine vane including conjugate heat transfer effects

TE Dyson, DG Bogard, SD Bradshaw - International journal of heat and fluid …, 2014 - Elsevier
Computational simulations using a steady RANS approach with the k–ω SST turbulence
model were performed to complement experimental measurements of overall cooling …

Heat transfer on a film-cooled rotating blade

VK Garg - International Journal of Heat and Fluid Flow, 2000 - Elsevier
A multi-block, three-dimensional Navier–Stokes code has been used to compute heat
transfer coefficient on the blade, hub and shroud for a rotating high-pressure turbine blade …

Heat transfer on a film-cooled blade–effect of hole physics

VK Garg, DL Rigby - International Journal of Heat and Fluid Flow, 1999 - Elsevier
A multiblock, three-dimensional Navier–Stokes code has been used to study the within-hole
and near-hole physics in relation to heat transfer on a film-cooled blade. The flow domain …

Heat transfer on a film-cooled rotating blade using different turbulence models

VK Garg - International Journal of Heat and Mass Transfer, 1999 - Elsevier
A three-dimensional Navier–Stokes code has been used to compute the heat transfer
coefficient on a film-cooled, rotating turbine blade. The blade chosen is the ACE rotor with …