**Proceedings of the Fifth Australasian Conference on Hydraulics and Fluid Mechanics**

**Table of Contents **

**Turbomachinery**

*Secondary flows in rotating channels, *Murakami

*The numerical solution of blade-to-blade turbomachine flows using a matrix method, *Benson, Hill & Cartwright

*Description of wakes by vortex sheets, *Oliver

*Dynamic modeling techniques for fluid power control systems, *Dransfield & Stecki

*Design speeds for wind turbines, *Chilcott

*An experimental investigation on the clearance effects of semi open radial impellers, *Kurian & Radha Krishna

*An acoustic technique for detecting inception of cavitation, *Padmanabhan & Narayanan

*Boundary layer characteristics of quasi-transpiration cooled surfaces, *Zimmerman

**Diffusers and Contractions **

*A performance prediction method for high subsonic inlet Mach number conical diffusers, *Kamal, Odukwe & Livesey

*Annular exhaust diffusers for axial flow fans, *Shepherd

*A theoretical and experimental investigation of flow through short axisymmetric contractions, *Kachhara, Wilcox & Livesey

*A study of the efficiency of a radial diffuser with boundary layer control at the throat, *de Krasinski & Aziz

*The effects of “controlled” inlet conditions on the performance of conical diffusers preceded by normal shock boundary layer interaction, *Kamal, Odukwe & Livesey

**General Applications **

*A fluid model of impact welding of metals: A mechanism for wave formation; and the effect of viscous energy dissipation, *Robinson

*Pulse converters in non-steady flow, *Benson & Toms

*Pressure drop in parallel plate rotary regenerators, *Maclaine-cross & Ambrose

*Swirl in the management of effluent discharge, *Ross

*Methods for the analysis and prediction of coolant flow instabilities in boiler systems, *Romberg

*Discharge from an autoclave system, *Woods & Owen

*Some considerations of reactive homogeneous flows, *Karim & D’Souza

*Effect of trailing edge thickness on the aerodynamic performance of aerofoils, *Lawrence & Lindley

**Wind Flows**

*The prediction and evaluation of the ground level wind environment, *Apperley & Vickery

*Simulation of a strong-wind urban boundary layer in a wind-tunnel, *Blanchard, Freeston & Feasey

*Simulation of a neutrally stable rural atmospheric boundary layer in a wind tunnel, *Raine

*Wind protection by model fences in a simulated atmospheric boundary layer, *Raine

*Measurements of the mean wind flow over various escarpment shapes, *Bowen & Lindley

*The action of wind on mounds, * Johnston

*Wind loads on transmission line towers, *Lindley & Willis

*A simplified theoretical analysis of the factors that influence windthrow of trees, *Papesch

*Aerodynamic properties of some umbrella-type canopies, *Chasteau

*Response of a slender tower to wind action, * Melbourne

*A propeller anemometer for a digital wind data acquisition system, *Lindley, Bowen & Morfee

*The response of cup and propeller anemometers to fluctuating wind speeds, *Lindley & Bowen

*A probe for the rapid measurement of surface static pressure distribution, *Chasteau

*On the improved aerodynamic efficiency of a sailing vessel, *Apperley

*Effect of wind tunnel walls and afterbody shape on the pressure distribution around a wedge, *Turner & Motson

*Blockage effect for single rows of bluff bodies, *Ramamurthy, Lee & Ng

**Turbulent Flows*** *

The ratios of eddy diffusivities of heat and momentum for liquid metals, Feingold, Gupta & Gupta

*Higher order statistical properties of turbulence in the marine boundary layer and atmosphere, *Van Atta

*The structure of velocity and temperature fluctuations in a turbulent jet, *Antonia

*An investigation of a turbulent cylindrical wall jet, *Patel, Shako & Sangale

*The application of a conditional sampling technique to the understanding of turbulent interacting shear layers in duct flow, *Dean

*The entrainment and large structure in turbulent mixing layers, *Brown

*Mixing induced by confined turbulent jets: A residence-time model for flow in cylindrical vessels, *Wood & Hop

*The correction of hot wire measurements for fluid temperature variation, *Samuel

*Function inverters in hot-wire anemometry, *Samuel & Perry

**Viscoelastic Flows **

*Structural changes in turbulent conduit flows by polymer additives, *Durst & Keller

*Drag and flow patterns for the flow of a drag-reducing polymer solution about spheres, *Uhlherr, Boger & Anderson

*Accelerating and deaccelerating flows of viscoelastic fluids, *Boger & Halmos

*Flow by non-newtonian fluids through beds of various packing geometries, *Tiu, Quinn & Uhlherr

**Multiphase Flows**

*Critical and near critical two phase flow, *Turner & Trimble

*Mass transfer in wake-interference flows, *Davies

*The dynamics of vapour bubbles attached to inclined heated surfaces in a flow medium, *Symons & Bonamy

*Neutronic and acoustic techniques for voidage measurement in two phase flow, *Kemeny

*Gas entrainment by plunging liquid jets, *Kirchner

*Model tests on the flow characteristics of a cyclone has scrubber, *Keey & Dodd

*Hydrodynamic design aspects of liquid-liquid sieve trays as influenced by mass transfer, *Graham & Chan

*A new mode of countercurrent gas-liquid flow in packed columns, *Hutton & Leung

**Shock Waves **

*On sonic boom propagation from aircraft at low supersonic speeds, *Page

*Moving shock wave behaviour in area contractions of arbitrary shape, * Milton

*Shock wave propagation and attenuation in foams, *de Krasinski & Khosla

*Supersonic flat plate at high incidence, *Archer, Napier & Betteridge

*Gas guns for aerodynamic testing at subsonic speeds, *Sheppard

**Gas Flows**

*A simplified approach to the computation of the hyperthermal free-molecular flow of a gas-mixture past a convex body, *Glikson

*Analysis of some discontinuous initial-value problems for free molecular gas mixtures,* East & Glickson

**Boundary Layers**

*Flows in ducts by boundary-layer theory, *Cebeci & Keller

*A Karman-Pohlhausen type approximate method for solving second order boundary layer equations, *Prabhu, Antani & Aggarwal

*The development of a wave packet in the boundary layer of a flat plate, *Gaster & Grant

*Boundary layers on a rotating disk, *Cebeci & Abbott

*Boundary layer wall-pressure fluctuations near an abrupt change in surface roughness, *Mulhearn

*The turbulent boundary layer on a yawed flat plate, *Moody & Blanchard

**Acoustics**

*Turbulent pipe flow as an acoustic noise source, *Bull & Rennison

*The transmission of sound in nonuniform ducts, *Eversman, Cook & Beckemeyer

*Flow and noise measurements for a 37 tube nozzle, *Jones

*Experimental investigation of subsonic coaxial jets, *Ko & Kwan

*Flow induced noise and vortex shedding in tube-bank systems, *Stevenson & Tang

**Hydraulic Design **

*The design and construction of Chinchilla Weir – Condamine River Queensland, *Turnbull & McKay

*Model investigation of expansion chamber cavitation under high head operation, *Lesleighter & Date

*Dolos as an armour unit in breakwater construction, *Silva & Foster

*A hydraulic model study of a buoyancy actuated flap gate for a dry dock, *Lau, Rajasooria & Cheong

*New design charts for air chambers, *Graze & Forrest

*Behaviour of a water jet in a diverging shallow open channel, *Scott-Moncrieff

*A scouring rock trap in Lemonthyme power tunnel, *Griffiths & Brett

*Design of supercritical flow contractions by least square error minimization technique, *Subramanya & Dakshinamoorthy

*Two-point statistics of the random pressure field beneath a hydraulic jump, *Sethuraman, Adbul Khader, Elango & Sadasivan

**Sediment Transport**

*A new look at local erosions in alluvial rivers, *Francis & Ghosh

*Nonlinear flow over wavy topography, *Lee

*Development of a deep harbour entrance through a sandy beach, *Gordon & Lucas

*The interaction between a raindrop and a shallow body of water, *Tuong & Painter

*Particle motion in vertically oscillated liquids, *Herringe & Flint

*Pressure drop prediction for flow of solid-liquid mixtures in horizontal pipes, *Thomas & Flint

*Some aspects of Lagrangian studies of solid particles in turbulent pipe flow, *Sharp & O’Neill

**River Flows **

*The measurement of flow in a braided river channel-applicability of dye-dilution method, *Takahashi

*Velocity distribution measurements in tidal streams, *Dellow & Sutherland

*Predicting the dispersion of contaminants in natural streams, *Higgins & Willetts

*Reaeration coefficient in streams & rivers, *Dandekar

**Groundwater Flow **

*Studies in water movement from groundwater recharge trenches, *Watson & Webb

*Drawdown due to a non-penetrating artesian well of finite diameter, *Abdul Khader & Ramadurgaiah

*Numerical determination of sea water intrusion in aquifers, *Volker

*Numerical analysis of vertical water movement in a bounded profile, *Watson & Curtis

*Transient flow into a well in bounded artesian multiple aquifers, *Abdul Khader & Veerankutty

*Optimal design of water wells in unconsolidated sediments, *Dudgeon & Keshavarz

*Potential flow into an axisymmetric drain, *Cheeseman, Hosking & Sneyd

**Flow in Porous Media **

*The treatment of flow through high porosity compressible media, in terms of a modified drag equation, *de Yong

*Moisture movement in pine sapwood under kiln-seasoning conditions, *Ashworth & Keey

*Flow in a fissured porous medium, *Grant

*Oscillatory convection in a porous medium: The effect of throughflow, *Horne & O’Sullivan

*Effect of fuid oscillations on mass transfer in porous media with particular reference to fuel cells, *Rice

**Estuary Modelling **

*On the development and calibration of a large numerical hydrodynamic model, *Williams & Hinwood

*Numerical modeling of tidal phenomena in bays and estuaries with inter-tidal flats, *Apelt & Gout

*Propagation of tides into the South Australian gulf system, *Tronson & Noye

*An analytical and experimental study on longitudinal dispersion in an idealized estuary flow, *Fukouka

*Calibration data for a numerical hydrodynamic model, *Pollock, Hinwood, O’Brien & Colman

*A numerical model of wind-induced circulation in the Murray Mouth Lakes, South Australia, *Walsh & Noye

*Numerical simulation of tidal and thermal propagation in a shallow channel, *Teubner & Noye

**Waves **

*Numerical solutions of non-linear hydrodynamic forces due to wave action, *Shi-igai & Kato

*Water particle orbits in deep-to shallow-water waves, *Silvester

*Long wave generation on a non-uniform slope, *Clements

**Convection **

*Experimental visualization of three dimensional natural convection, *Mallinson & Graham

*A class of asymptotic solutions in the theory of non-linear thermal convection, *Murphy & Van der Borght

*A numerical study of an axisymmetric heat island, *Williams

*Numerical modeling of thermals, *Morton & Pearson

*Free convection in an insulated heating pipe, *Hunt

*Convective motions and resulting entraiment in a two layered fluid system heated from below, *Denton & Wood

*The diffusive interface in double diffusive convection, *Shirtcliffe

*A numerical model of thermally buoyant plumes, *Cherry

*Artificial boundaries for models of free convection, *Pearson, McGregor & Morton

**Cooling Ponds **

*A model study of the cooling water discharge from Newport ‘D’ Power Station, *Lai & McConchie

*Two aspects of the physics of warm water discharges, *Sobey

*Salt water cooling ponds with partial tidal interchange, *Bauer

**Stratified Flows **

*An extension to the theory of selective withdrawal, *Lust & Wood

*Flow of a layered fluid from a reservoir, *Bryant

*Mixing of two streams at different densities, *Lee

*Unsteady, two dimensional sink flow in a stratified fluid, *Fandry

*Modelling the airflow over and to the lee of the Southern Alps, New Zealand, *Cherry

*“Hysteresis” effect in one-and two-fluid systems, *Mehrotra

**Potential Flows **

*Potential flow through a contracted section, *Ackermann & Chan

*Characteristics of a two-dimensional orifice-jet past a rectangular plate, *Arbhabhirama & Wang

*Representation of planing surfaces by finite pressure elements, *Doctors

*On an anomalous result in linearised slender lifting surface theory, *Fink & Soh

**Viscous Flows**

*The leading edge of a surface film on contaminated flowing water, *Harper & Dixon

*The time dependent properties of non-buoyant vortex rings, *Wooller & Hinwood

*Taylor** vortex behaviour in annular clearances of limited length**, *Cole

*Variation of the temperature field in adiabatic viscous flow due to dissipative processes, *Polkowski

*Mechanics of flow in multiport outlets, *Ramamurthy, Subramanya & Robillard

**Numerical Solutions **

*On the stability of centred implicit difference schemes, *Barnett

*The simulation of water quality in the Waikato River, * Rutherford

*A numerical study of katabatic winds and their effect on pollutant dispersal in urban areas, *Leslie & Smith

*The application of the pseudo-functional finite element method to viscous flow problems, *de Vries, Balasubramanian & Norrie

*Solution of fluid dynamic problems by finite elements, *Steven

*A specialized computer technique for simulation, *Elsawy

*An idealized model for flat bottomed ship slamming, *Astley

**Late Paper **

*Predicting the performance of inertial separators, *Boulton & Evans