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Coupled thermal-fluid analysis with flowpath-cavity interaction in a gas turbine engine
CFD FEA Compressor Engine
2015/1/12
This study seeks to improve the understanding of inlet conditions of a large rotor-stator cavity in a turbofan engine, often referred to as the drive cone cavity (DCC). The inlet flow is better unders...
ANALYSIS OF THE ENERGETIC/ENVIRONMENTAL PERFORMANCES OF GAS TURBINE PLANT
thermal barrier coatings zirconia gas turbine
2009/10/14
Zirconia stabilized with 8 wt.% Y2O3 is the most common material to be applied in thermal barrier coatings owing to its excellent properties: low thermal conductivity, high toughness and thermal expan...
CONJUGATED HEAT TRANSFER ANALYSIS OF GAS TURBINE VANES USING MACCORMACK'S TECHNIQUE
internal cooling turbine vanes conjugate heat transfer
2009/10/14
It is well known that turbine engine efficiency can be improved by increasing the turbine inlet gas temperature. This causes an increase of heat load to the turbine components. Current inlet temperatu...
Gas Turbine Combustor Development for Gasified Fuels and Environmental High-efficiency Utilization of Unused Resources
Unused resources Gasification Gas turbine combustor High efficiency power generation
2009/7/27
Japan depends on imports for most primary energy resources. To obtain stable supplies of energy and protect the global environment in the future, reexamination of unused resources, reclamation of was...
Comparison and Parametric Study of Flameless Oxidation in a Gas Turbine Using Two Kinetics Mechanisms
Flameless oxidation gas turbines pollutants emissions numerical modeling detailed
2009/1/9
The so-called “Flameless Oxidation” is a novel combustion mode, in which combustion products are re-circulated and mixed into the fresh incoming fuel and air streams. This reduces the concentration of...
Comparison and Parametric Study of Flameless Oxidation in a Gas Turbine Using Two Kinetics Mechanisms
Flameless oxidation gas turbines pollutants emissions numerical modeling detailed
2009/1/13
The so-called “Flameless Oxidation” is a novel combustion mode, in which combustion products are re-circulated and mixed into the fresh incoming fuel and air streams. This reduces the concentration of...
Assessment of Power Augmentation from Gas Turbine Power Plants Using Different Inlet Air Cooling Systems
Power augmentation temperature control evaporative cooling
2010/1/14
In this paper, the influence of air cooling intake on the gas turbine performance is presented. A comparison between using
different cooling systems, i.e., evaporative and cooling coil, is performed....
Computations of the acoustic field in an annular gas turbine combustion chamber
acoustics CFD gas turbine hybrid approach LES
2010/3/11
The acoustic field in an annular gas turbine combustion chamber is determined using a hybrid approach. The flow solver is based on Large Eddy Simulations to account for turbulence and on a flamelet-ba...