All Outputs (78)

Effect of mesh topologies on wall heat transfer and pressure loss prediction of a blade coolant passage (2013)
Presentation / Conference Contribution

This paper studies the effect of mesh topologies such as hybrid and structured meshes on the evaluation of wall heat transfer coefficient (HTC) and pressure loss of a blade cooling passage. An experimental model is chosen; it has five-row of stream w... Read More about Effect of mesh topologies on wall heat transfer and pressure loss prediction of a blade coolant passage.

Evaluation of wall heat transfer in blade trailing-edge cooling passage (2013)
Presentation / Conference Contribution

Model configurations of a blade trailing-edge internal cooling passage with staggered elliptic pin-fins in streamwise and spanwise are adopted for numerical investigation using computational fluid dynamics (CFD). Grid refinement study is performed at... Read More about Evaluation of wall heat transfer in blade trailing-edge cooling passage.

Numerical study of unsteady airflow phenomena in a ventilated room (2012)
Journal Article

Numerical simulation of airflow in an indoor environment has been carried out for forced, natural, and mixed convection modes, respectively, by using the computational fluid dynamics (CFD) approach of solving the Reynolds-averaged Navier-Stokes equat... Read More about Numerical study of unsteady airflow phenomena in a ventilated room.

Numerical study of unsteady airflow phenomena in a ventilated room (2012)
Presentation / Conference Contribution

Numerical simulation of airflow in an indoor environment has been carried out for forced, natural and mixed convection modes respectively, by using computational fluid dynamics (CFD) approach of solving the Reynolds-averaged Navier-Stokes equations.... Read More about Numerical study of unsteady airflow phenomena in a ventilated room.

Numerical simulation of a turbulent flow over an axisymmetric hill (2012)
Presentation / Conference Contribution

Simulation of a turbulent °ow over an axisymmetric hill has been carried out to study three-dimensional °ow separation and reattachment that occur on the lee-side of the geome-try. A total of four simulations are considered at low Reynolds number of... Read More about Numerical simulation of a turbulent flow over an axisymmetric hill.

CFD prediction and experimental measurement of blade water coverage in a diesel turbocharger (2012)
Journal Article

A turbocharger unit for diesel engine is often equipped with a built-in online water washing system and its performance is not always satisfactory because of efficiency declination due to deposit accumulated on blade surfaces not being washed away. I... Read More about CFD prediction and experimental measurement of blade water coverage in a diesel turbocharger.

Effect of jet inclination angle and hole exit shape on vortical flow structures in low-reynolds number jet in cross-flow (2012)
Journal Article

Numerical studies have been performed to visualize vortical flow structures emerged from jet cross-flow interactions. A single square jet issuing perpendicularly into a cross-flow was simulated first, followed by two additional scenarios, that is, in... Read More about Effect of jet inclination angle and hole exit shape on vortical flow structures in low-reynolds number jet in cross-flow.

Experimental measurements and CFD predictions of blade water coverage in a diesel turbocharger (2011)
Presentation / Conference Contribution

Computational study of hole shape effect on film cooling performance (2011)
Presentation / Conference Contribution

Film cooling effectiveness has been studied by using a computational approach based on solving the Reynolds-averaged Navier-Stokes equations. A wind tunnel test configuration is considered with a total of four cooling hole geometries as a cylindrical... Read More about Computational study of hole shape effect on film cooling performance.

Numerical simulation of convective airflow in an empty room (2011)
Journal Article

Numerical simulation of airflow inside an empty room has been carried out for a forced convection, a natural convection and a mixed convection respectively, by using a computational fluid dynamics approach of solving the Reynolds-averaged Navier-Stok... Read More about Numerical simulation of convective airflow in an empty room.

The effect of hole shape on blade cooling effectiveness (2011)
Journal Article

Measurement and prediction of water coverage of blade ring in a turbocharger (2010)
Presentation / Conference Contribution

Simulation of gas-water two-phase flow in diesel turbocharger (2010)
Book Chapter

Numerical study of hole shape effect on blade cooling effectiveness (2010)
Presentation / Conference Contribution

Numerical study of hole shape effect on blade adiabatic cooling effectiveness has been carried out on four geometry models comprising a standard cylindrical hole, a cylindrical hole with an upstream ramp, a shaped diffuser, and a double console slot.... Read More about Numerical study of hole shape effect on blade cooling effectiveness.

Effect of hole shape on blade cooling effectiveness (2010)
Presentation / Conference Contribution

The effect of hole shape on blade cooling effectiveness (2010)
Journal Article

The high temperature conditions under which turbine blades operate pose a constraint on their service lifetime. One industrial solution is to apply the film cooling and the cooling effectiveness is generally determined by flow conditions, cooling hol... Read More about The effect of hole shape on blade cooling effectiveness.

Simulation of gas water two-phase flow in diesel turbocharger (2009)
Presentation / Conference Contribution

Numerical simulation of a gas water two-phase flow in Diesel Turbocharger has been carried out using computational fluid dynamics solution of the Eulerian Reynolds-averaged Navier-Stokes equations for the continuum gas phase and the Lagrangian partic... Read More about Simulation of gas water two-phase flow in diesel turbocharger.

Numerical simulation of laminar circular and noncircular jets in cross-flow (2009)
Book Chapter

Numerical simulation of heat transfer in rectangular microchannel (2009)
Journal Article

Numerical simulation of heat transfer in a high aspect ratio rectangular microchannel with heat sinks has been conducted, similar to an experimental study. Three channel heights measuring 0.3 mm, 0.6mmand 1mmare considered and the Reynolds number var... Read More about Numerical simulation of heat transfer in rectangular microchannel.

CFD modelling of water injection for turbine blade cleaning (2009)
Presentation / Conference Contribution

CFD modeling of water injection for turbine blade cleaning has been carried out to predict the water coverage on a stationary blade row, which will enable a better understanding on the interactions between hot-air flow and cold-water droplets. A gene... Read More about CFD modelling of water injection for turbine blade cleaning.