Web Access Research Portal

Researcher: Walker, GJ (Professor Greg Walker)

Fields of Research

Aerospace Engineering
Mechanical Engineering
Engineering
Aerodynamics (excl. Hypersonic Aerodynamics)
Ship and Platform Hydrodynamics
Maritime Engineering
Aircraft Performance and Flight Control Systems
Fluidisation and Fluid Mechanics
Civil Engineering
Water Resources Engineering
Solid Mechanics
Naval Architecture
Palaeoclimatology
Energy Generation, Conversion and Storage Engineering
Photogrammetry and Remote Sensing
Turbulent Flows
Environmental Engineering Modelling
Education
Engineering Instrumentation
Water Quality Engineering
Synchrotrons; Accelerators; Instruments and Techniques
Interdisciplinary Engineering
Environmental Engineering
Numerical Modelling and Mechanical Characterisation
Ship and Platform Structures
Special Vehicles
Bacteriology
Quantum Chemistry
Environmental Technologies
Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Environmental Impact Assessment
Infrastructure Engineering and Asset Management
Phycology (incl. Marine Grasses)
Automotive Combustion and Fuel Engineering (incl. Alternative/Renewable Fuels)
Simulation and Modelling
Fluid Physics
Mathematical Software

Research Objectives

Expanding Knowledge in Philosophy and Religious Studies
Hydro-Electric Energy
Water Safety
Aerospace Equipment
Air Safety
Navy
Instrumentation
Expanding Knowledge in Engineering
Energy Conservation and Efficiency in Transport
Air Passenger Transport
Nautical Equipment (excl. Yachts)
Scientific Instruments
Social Impacts of Climate Change and Variability
Energy Conservation and Efficiency
Environmentally Sustainable Transport
Geothermal Energy
Environmentally Sustainable Energy Activities
Coastal and Estuarine Land Management
Education and Training Systems
Automotive Equipment
Environment
Aerospace Transport
Industrial Machinery and Equipment
Transport
Land and Water Management of environments
Water Services and Utilities
Passenger Water Transport
Defence
Organic Industrial Chemicals (excl. Resins, Rubber and Plastics)
Air Force
Energy Storage (excl. Hydrogen)
Wind Energy
Wheat
Renewable Energy
Information Processing Services (incl. Data Entry and Capture)
Construction Design
Marine Air Quality
Energy Services and Utilities
Energy Systems Analysis
Water Transport
Energy Transformation

Career Best Publications

Hydrodynamic Performance of a Vortex Generator; Experimental Thermal and Fluid Science
Incidence Effects on Wake-Induced Transition on an Axial Compressor Blade; Journal of Propulsion and Power
Laminar-Turbulent Transition in Aerofoil Flows; Advances in Fluid Mechanics Symposium
Modelling of Transient Behaviour in a Francis Turbine Power Plant; The Fifteenth Australasian Fluid Mechanics Conference
Natural Transition Phenomena on an Axial Compressor Blade; ASME TURBO EXPO 2000

Research Publications

A baseline study of the effect of freshwater biofilms in hydraulic conduit; IAHR World Congress
A Case Study of the Improvements Gained in Conduit Efficiency by Cleaning a Biofouled Pipeline; Australian Journal of Water Resources
A comparative investigation of round and fan-shaped cooling hole near flow fields; ASME Turbo Expo 2007: Power for Land, Sea and Air GT2007
A Comparative Investigation of Round and Fan-Shaped Cooling Hole Near Flow Fields; Journal of Turbomachinery-Transactions of the ASME
A force balance to measure the total drag of biofilms on test plates; Australasian Fluid Mechanics Conference
A Numerical Prediction of the Hydrodynamic Torque Acting on a Safety Butterfly Valve in a Hydro-Electric Power Scheme; WSEAS Transactions on Fluid Mechanics
A numerical study of the flow through a safety butterfly valve in a hydro-electric power scheme; Australasian Fluid Mechanics Conference
A three-dimensional simulation of a cyclone dryer; Computational Fluid Dynamics in the Process Industries, International Conference
Aerodynamics of High Speed Multihull Craft; Fourth International Conference on Fast Sea Transportation
An experimental investigation into the influence of ramp-mounted vortex generators on the performance of a flush waterjet inlet; Journal of Ship Research
An experimental investigation into the performance of a flushwater-jet inlet; Journal of Ship Research
An experimental investigation of cloud cavitation about a sphere; Journal of Fluid Mechanics
An experimental investigation of microbubble generation in confined turbulent jet; 17th Australasian Fluid Mechanics Conference
An Investigation of Cloud Cavitation about a Sphere; Australasian Fluid Mechanics Conference
Artificial Thickening of Wind Tunnel Boundary Layers via an Array of Cross-flow Jets; 14th Australasian Fluid Mechanics Conference
Artificial thickening of wind tunnel boundary layers via an array of cross-flow jets; Experimental Thermal and Fluid Science
BOUNDARY LAYER DEVELOPMENT IN AXIAL COMPRESSORS AND TURBINES. PART 1 OF 4: COMPOSITE PICTURE; International Gas Turbine and Aeroengine Congress and Exposition
BOUNDARY LAYER DEVELOPMENT IN AXIAL COMPRESSORS AND TURBINES. PART 2 OF 4: COMPRESSORS; International Gas Turbine and Aeroengine Congress and Exposition
BOUNDARY LAYER DEVELOPMENT IN AXIAL COMPRESSORS AND TURBINES. PART 3 OF 4: LP TURBINES; International Gas Turbine and Aeroengine Congress and Exposition
BOUNDARY LAYER DEVELOPMENT IN AXIAL COMPRESSORS AND TURBINES. PART 4 OF 4: COMPUTATIONS & ANALYSES; International Gas Turbine and Aeroengine Congress and Exposition
Boundary Layer Ingestion Effects in Flush Waterjet Intakes; Inernational Conference on Waterjet Propulsion - Latest Developments
Bounding ingestion stream-tube determination via a CO tracer; Experiments in Fluids
Case wall pressures in a multistage axial compressor with tip clearance variation; Journal of Propulsion and Power
Comparisons between Triggered Turbulent Spots and Wake-induced Turbulent Patches on Compressor Blading; Thirteenth Australasian Fluid Mechanics Conference
Computational and Experimental Investigation of Flow Around a 3-1 Prolate Spheroid; Australasian Fluid Mechanics Conference
Design and calibration of a water tunnel for skin friction research; Australian Journal of Mechanical Engineering
Design and calibration of a wind tunnel with a two dimensional contraction; The Fifteenth Australasian Fluid Mechanics Conference
Design Considerations in the Development of a Modern Cavitation Tunnel; Australasian Fluid Mechanics Conference
Deterioration of Conduit Efficiency Due to Biofouling; National Conference on Hydraulics in Water Engineering
Development of a CFD model for an oscillating hydrofoil; Australasian Fluid Mechanics Conference
Development of a Fast response Pressure Probe for Use in a Cavitation Tunnel; The Fifteenth Australasian Fluid Mechanics Conference
DEVELOPMENT OF A HORIZONTAL PLANAR MOTION MECHANISM FOR DETERMINING HYDRODYNAMIC CHARACTERISTICS OF UNDERWATER VEHICLES; 12th Australasian Fluid Mechanics Conference
Development of an Australian National Facility for Cavitation Research; Sixth International Symposium on Cavitation
Drag force and surface roughness measurements on freshwater biofouled surfaces; Biofouling: The Journal of Bioadhesion and Biofilm Research
Effects of a Self-Similar Adverse Pressure Distribution on Turbulent Spot Development; 26th AIAA Fluid Dynamics Conference
Effects of freshwater biofilms on flow over rough surfaces; 6th international symposium on Ecohydraulics
EFFECTS OF STREAMWISE PRESSURE GRADIENT ON TURBULENT SPOT DEVELOPMENT; International Gas Turbine and Aeroengine Congress and Exposition
Effects of Turbulence and Velocity Profile Variation in a Circulating Water Channel as Determined by Sphere and Elipsoid Tests; 6th Manoeuvring and Control of Marine Craft
Experimental and Computational Investigation of Flow around a 3-1 Prolate Spheroid; WSEAS Transactions on Fluid Mechanics
Experimental Determination of Ingestion Streamtubes for Waterjet Propulsion Intakes; Thirteenth Australasian Fluid Mechanics Conference
Experimental review of devices to artificially thicken wind tunnel boundary layers; The Fifteenth Australasian Fluid Mechanics Conference
Flow Distribution at Waterjet Intakes; Fourth International Conference on Fast Sea Transportation
Hydraulic Roughness of Biofouled Pipes, Biofilm Character, And Measured Improvements From Cleaning; Journal of Hydraulic Engineering
Hydrodynamic Performance of a Surfboard Fin; The Fifteenth Australasian Fluid Mechanics Conference
Hydrodynamic Performance of a Vortex Generator; 14th Australasian Fluid Mechanics Conference
Hydrodynamic Performance of a Vortex Generator; Experimental Thermal and Fluid Science
Identification of Instability Phenomena in Periodic Transitional Flows on Turbomachine Blades; Fourtheenth International Symposium on Air Breathing Engines
INCIDENCE EFFECTS ON WAKE-INDUCED TRANSITION ON AN AXIAL COMPRESSOR BLADE; 12th International Symposium on Air Breathing Engines
Incidence Effects on Wake-Induced Transition on an Axial Compressor Blade; Journal of Propulsion and Power
Influence of Free-Stream Turbulence on Wake-Wake Interaction in an Axial Compressor; The Fifteenth Australasian Fluid Mechanics Conference
Influence of Ground Effect on the Aerodynamic Characteristics of a High-Aspect Ratio Catamaran Vessel; Thirteenth Australasian Fluid Mechanics Conference
Influence of inlet velocity ratio on the outlet flow uniformity of a fan-shaped film cooling hole; ASME Turbo Expo
Influence of Surface Roughness caused by Biofilm Growth on Hydroelectric Power System Water Conveying Efficiency; Engineering a Sustainable Future
Initial Investigations into the Unsteady Operation of Hydroelectric Systems During Rapid Starting of Francis Turbines; Australasian Fluid Mechanics Conference
INTERMITTENCY DETECTION FROM SURFACE FILM ARRAYS ON AEROFOILS IN UNSTEADY FLOW; 12th Australasian Fluid Mechanics Conference
Investigation of the Calmed Region Behind a Turbulent Spot; International Gas Turbine and Aeroengine Congress & Exhibition, ASME TURBO EXPO 96
Laminar-Turbulent Transition in Aerofoil Flows; Advances in Fluid Mechanics Symposium
Management Course Content in Professional Engineering Education; 5th Annual Engineering Management Educators Conference 1996
Mapping Surface Biofilms to Improve the Efficiency of Water Conveyance; Spatial Science Institute Biennial International Conference (SSC)
Modelling and simulation of Paddy Grain (Rice) drying in a simple pneumatic dryer; Biosystems engineering
Modelling of Transient Behaviour in a Francis Turbine Power Plant; The Fifteenth Australasian Fluid Mechanics Conference
Natural Transition Phenomena on an Axial Compressor Blade; ASME TURBO EXPO 2000
Numerical and experimental studies of the flow field in a cyclone dryer; ASME Journal of Fluids Engineering
Observation of transition phenomena on a controlled diffusion compressor stator with a circular arc leading edge; ASME Turbo Expo
Observations of Transition Phenomena on a Controlled Diffusion Compressor Stator With a Circular Arc Leading Edge; Journal of Turbomachinery
OBSERVATIONS OF WAKE-INDUCED TRANSITION ON AN AXIAL COMPRESSOR BLADE; International Gas Turbine and Aeroengine Congress and Exposition
PERFORMANCE OF WATER JET PROPULSION SYSTEMS WITH BOUNDARY LAYER INGESTION; 12th Australasian Fluid Mechanics Conference
Periodic Transition on an Axial Compressor Stator-Incidence and Clocking Effects: Part I - Experimental Data; International Gas Turbine & Aeroengine Congress & Exhibition
Periodic Transition on an Axial Compressor Stator-Incidence and Clocking Effects: Part II - Transition Onset Predictions; International Gas Turbine & Aeroengine Congress & Ehibition
Periodic Transition on an Axial Compressor Stator: Incidence and Clocking Effects: Part I - Experimental Data; Journal of Turbomachinery - Transactions of the ASME
Periodic Transition on an Axial Compressor Stator: Incidence and Clocking Effects: Part II - Transition Onset Predictions; Journal of Turbomachinery - Transactions of the ASME
Prediction of Free-Stream Turbulence Variation around the Leading Edge of an Axial Compressor Blade; Australasian Fluid Mechanics Conference
Roughness issues in Hydro Tasmania water conveyance structures; Corrosion and Prevention
Some recent insights on the relaxation following a turbulent spot and their implications for turbomachnery performance; 49th Annual Meeting of the Division of Fluid Dynamics
Some unresolved physical problems in turbomachinery flows; 19th Australasian Fluid Mechanics Conference
The Effect of Freshwater Biofilms on Skin Friction Drag; 16th IAHR-APD Congress and 3rd Symposium of IAHR-ISHS
The influence of turbulence on wake dispersion and blade row interaction in an axial compressor; Journal of Turbomachinery, Transactions of the ASME
The Influence of Turbulence on Wake Dispersion and Blade Row Interaction in an Axial Compressor; ASME Turbo Expo 2005: Gas Turbine Technology, Focus for the future
The influence of viscous effects and physical scale on cavitation tunnel contraction performance; Journal of Fluids Engineering
The Influence of Wake-Wake Interactions on Loss Fluctuations of a Downstream Axial Compressor Blade Row; Journal of Turbomachinery
The Influence of Wake-Wake Interactions on Loss Fluctuations of a Downstream Axial Compressor Blade Row; International Gas Turbine and Aeroengine Congress and Exhibition
The turbulence structure of flows over rough surfaces and freshwater biofilms; 17th IAHR-APD Congress
Transition in Turbomachines - an overview; Workshop on Boundary Layer Transition in Turbomachines
TRANSITION LENGTH PREDICTION FOR FLOWS WITH RAPIDLY CHANGING PRESSURE GRADIENTS; International Gas Turbine and Aeroengine Congress and Exposition
Transition Zone Predictions for Rapidly Varying Flows; Transitional Boundary Layers in Aeronautics
Unsteady Effects on Separated Flow Transition in an Axial Flow Compressor; Thirteenth Australasian Fluid Mechanics Conference
Unsteady Transition Phenomena At A Compressor Blade Leading Edge; ASME Turbo Expo 2006: Power for Land, Sea, and Air
Unsteady Transition Phenomena at a Compressor Blade Leading Edge; Journal of Turbomachinery-Transactions of the ASME
Unsteady Wake-Induced Transition on axial compressor blades-calming and leading edge interaction effects; 2006 Workshop om Unsteady Flows in Turbomachinery
Wake Mixing and Blade Clocking Effects in an Axial Compressor; Thirteenth International Symposium on Air Breathing Machines
Waterjet Propulsion Intake Flows; AME 97 Postgraduate Conference
Wet feet in the ivory tower - a 50 year research partnership supporting hydropower development in Tasmania; 34th World Congress of the International Association for Hydro-Environment Engineering and Research

Research Projects

Aerodynamic lift and drag of catamarans vessels; Australian Research Council (ARC)
Aerodynamics of high speed catamarans.; Australian Research Council (ARC)
Australian Maritime Engineering CRC; Department of Industry, Tourism & Resources (DITR)
Australian Maritime Hydrodynamic Research Centre; Department of Education, Science and Training (DEST)
Boundary layer transition in turbomachinery flows; Australian Research Council (ARC)
Compressor CFD Modelling; Rolls Royce (RR)
Control of free/dissolved Gas Content in a Cavitation tunnel; Australian Research Council (ARC)
Dynamic Loads on Ultra High Speed Ferries; Australian Research Council (ARC)
Freshwater Biofouling of Hydraulic Conduits: Impact, Mitigation, and Control, and the Consequences of Climate Change; Australian Research Council (ARC)
High Performance Computing for Mathematics, Chemistry, Engineering and Climate Research; Australian Research Council (ARC)
Hydro Turbine and Waterway Modelling; Hydro Electric Corporation (HEC)
Improvement of Water Conveying Efficiency in Hydroelectric Power Generation Systems by Optimising Pipe Friction Losses; Australian Research Council (ARC)
Improving water conveying efficiency in Hydro Electric Power generation systems by optimising pipe friction losses ; University of Tasmania (UTAS)
Leading Edge Flows on Axial Compressor Blades; University of Tasmania (UTAS)
Predictive Cost and Maintenance Models for Short Term Scheduling Strategies in Hydro Power Plants; Australian Research Council (ARC)
Rapid Starting and Unsteady Operation of Hydraulic Turbines; Australian Research Council (ARC)
Research Programme on transition to turbulence in attached and seperating shear layers; Rolls Royce (RR)
Skin Friction Control Using Engineering and Biological Surface Coatings; Australian Research Council (ARC)
Turbulent Spot Creation in Boundary Layer Flows on Turbomachine Blading; Australian Research Council (ARC)
Unsteady flow in axial turbomachines; Australian Research Council (ARC)
Unsteady Flow in Axial Turbomachines; Australian Research Council (ARC)
Unsteady transitional flows on turbomachine blading.; University of Tasmania (UTAS)
Vortex shedding from struts and aerofoils; CSIRO/University of Tasmania (CSIRO/UTAS)
Wake-induced Transition in Axial Turbomachines; Australian Research Council (ARC)
Waterjet Propulsion; Australian Maritime Engineering Cooperative Research Centre (AMECRC)
Aerodynamic Assessment
Airflow in Ducts
Airfoil Wake Management for HCF Control
An Investigation of Unsteady Flow and Hydro-elastic Response of an Oscillating Hydrofoil
Improved Turbine/ Waterway Models
Modelling of Generating Plant Operation and Maintenance
Technical Expertise for the Manufacture and Installation of Specialist Equipment
Waterjet Inlet Testing
Waterjet Pump Design Study

Research Candidate Supervision

A study of surface finish on Aluminium Wheels
Aerodynamics of Catermaran Vessels
Boussinesq equations applied to the solution of free-surface problems
Catamaran aerodynamics
Cost models for intermittent and off-design operation and deferred maintenance of hydro-power generators.
Development of a Cyclone Rice Dryer
Estimation of brake force on an open wheel racing car using artificial neural networks
Experimental and Computational Investigation of Flow about Low Aspect Ratio Ellipsoids at Transcritical Reynolds Numbers
Friction, Roughness and Boundary Layer Characteristics of Freshwater Biofilms in Hydraulic Conduits
High speed ferry aerodynamics
Influence of Internal Flow Configuration on the Flow Field Within and Around a Fan-Shaped Film Cooling Hole
Numerical Modelling of Hydrofoil Fluid-Structure Interaction
Numerical Modelling of Macquarie Harbour
Structural Dynamics and Seakeeping of High Speed Vessels
The Effect of Freshwater Biofilms on Turbulent Boundary Layers and the Implications for Hydropower Canals
The influence of hull Boundary layers on Waterjet Intake Performance
The measurement of hydrodynamic properties of underwater bodies
The Use of Artificial Intelligence to Predict Road Traffic Noise
Tip clearance effects in axial flow compressors
Traction control using artificial neural networks
Turbulent Flow Phenomena and Boundary Layer Transition at the Circular Arc Leading Edge of an Axial Compressor Stator Blade
Unsteady aerodynamics in an axial compressor
Unsteady boundary layer transition on axial compressor blades
Unsteady Flow and Transition Phenomena in an Axial Flow Compressor
Unsteady Operation of the Francis Turbine
Ventilated Supercavitating Hydrofoils for Ride Control of High-Speed Craft
Viscous Wake Flows About a Generic Submarine
Wave Slam Response of Large High Speed Catamarans
Wave-Induced Motions on High Froude Number Slender Twin-Hull Vessels