• Aerodynamics Character of Partial Squealer Tip Arrangements in an Axial Flow Turbine, Part 1, Part 2, and Part 3 - Submitted for Presentation at the 2002 ASME IGTI Conference and Possible Journal Publication
• Methods for Desensitizing Tip Clearance Effects in Turbines - Presentation at the 2001 ASME IGTI Conference
• Variable Property and Temperature Ratio Effects on Nusselt Numbers in a Rectangular Channel With 45 Degrees Angled Rib Turbulators - Submitted for Possible Journal Publication
• Tips Leakage Flows Near Partial Squealer Rims in an Axial Flow Turbine Stage - Submitted for Conference Presentation
• Flow and Heat Transfer in Internally Ribbed Ducts With Rotation: An Assessment of LES and URANS - Submitted for Publication
• Heat/Mass Transfer in 1:4 Rectangular Passages With Rotation - Submitted for Publication

Performing Member Contact:

Cengiz Camci, Professor of Aerospace Engineering

Pennsylvania State University
Department of Aerospace Engineering
Turbomachinery Heat Transfer Laboratory
223 Hammond Building
University Park, PA 16802
814-865-9871/FAX 814-865-7092
C-CAMCI@PSU.EDU

• Blade Cooling, 3-D Flow Field in Multistage Compressors and Turbines, Tip Clearance Desensitization, Controls, Coal Combustion, Combustion and Emissions, Noise and Vibration

• Computation, Modeling and Analysis of 3D Flow Field in Multistage Compressors and Turbines, Low Emission Combustion, Advanced Heat Transfer, Multivariable Controls, Composite Materials, Acoustics

• Compressor and Turbine Testing, Material Fatigue/fracture, Composite Fabrication, Multifuel Combustion Testing, Acoustic Testing, Controls Lab

Pennsylvania State University

The gas turbine research activities at Pennsylvania State University cover turbomachinery fluid dynamics, heat transfer, rotor dynamics and vibration, combustion and materials and fuel science. The applications include gas turbine used in aerospace, energy, marine, land and other industry. The research facilities and projects are listed below. http://www.personal.psu.edu/cxc11

Research Activities in Turbomachinery Fluid Dynamics and Heat Transfer

• 3D Viscous Flow in Axial Flow Turbines, Nozzles and Rotors
• Computation of 2D/3D Unsteady Viscous Flows in Parallel Processors
• Tip Clearance Aero-thermal De-sensitization in Axial Turbomachinery
• Turbulent Flow Modeling of Steady/unsteady Flow in Turbomachinery
• Secondary Flow Minimization and Endwall Profiling
• Turbine Intra-stage Leakage Flows
• Non-intrusive Turbomachinery Flow Measurements using LDA and PIV
• Liquid Crystal Thermography on Stationary and Rotating Turbomachinery Surfaces
• Fluid Dynamics and Heat Transfer from Steady/unsteady Turbulent Jets
• Coolant Passage Flow and Heat Transfer Including Trailing Edge Coolant Injection
• Film Cooling and Near Wall Heat Transfer
• Effects of Free Stream Turbulence on Heat Transfer to Gas Turbine Components
• Flow around Rotating Radar Antenna Cross Sections
• Forced Response of Mistuned Bladed-Disk Assemblies
• Neural Network Based Active Vibration Absorbers
• High Speed/flexible Rotor/Bearing Systems and Active Control of Rotors via Magnetic Bearings

Research Activities in Combustion

• Combustion Chemistry of Natural Gas Relevant to UHC in Gas Turbine Combustors
• Experimental Study on the Use of Reformed Fuels to Improve Operational Stability and Extend the Lean Combustion Limit
• Effects of Incomplete Fuel Vaporization and Mixing on the Lean Limit and No x Emissions
• Enhancement of Combustion and Sulfur Capture in Coal-Water Slurry Fuel and Pulverized Coal Combustors Using High Intensity Acoustic Fields

Research Activities in Materials

• Characterization and Development of Advanced Monolithic and Composite Materials
• Life Prediction Modeling of Advanced Gas Turbine Materials
• Directionally Solidified and Single Crystal Ni Based Alloys

Major Turbomachinery Research Facilities at Penn State

A three stage multi-stage compressor research facility, A single stage axial-flow research turbine, A Heated wind tunnel, a 3D Laser Doppler Anemometer, A stereoscopic Particle Image Velocimetry (3D PIV), A planar PIV (2D PIV), A high speed cascade facility, Various radar antenna rotation rigs, A helicopter rotor flow test rig, Small scale gas turbine demonstrator, A parallel processor system for large scale turbomachinery viscous flow computations, Rotor dynamic facility, Axial-torsional servo-hydraulic test system, Scanning electron microscope (SEM), High pressure chemical flow reactor, A full array of gas analysis instrumentation, LDA for combustion research, Laser based combustion diagnostics, Two optically accessible combustors.