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

**Table of Contents **

**Part I**

*Experiments on double-diffusive intrusions in a stratified fluid, *JS Turner

*Stratified flow over a long obstacle: Theory vs. Experiment, *PG Baines

*Structure and mixing within the frontal region of a density current, *CD Winant & A Bratkovich

*Characteristics of the interface at the base of the ocean mixed layer, *ISF Jones

*Cross-wind moment spectra on rectangular buildings and the prediction of dynamic response, *JW Saunders & WH Melbourne

*Wind loading on the roof of a low rise house, *ED Jancauskas & DB Sharp

*The decay of temperature fluctuations in isotropic turbulence, *GR Newman, Z Warhaft & JL Lumley

*Similarity of Reynolds stress, heat and moisture fluxes in marine boundary layer, *RA Antonia & AJ Chambers

*A chemical reaction with heat release in a turbulent shear layer, *AK Wallace & GL Brown

*Development of a second order closure model for turbulent reacting flow, *DJ Kewley

*Travel of long wave on the surface of tropopause and ocean, *D Manabe

*Kinematics of short-crested water waves, *JRC Hsu

*Reflection and transmission of water waves by a submerged shelf of prescribed shape, *C Macaskill

*Wave groups: Analysis of run and run length, *J Dattatri, H Raman, N Jothishankar

*Detection of oceanic microprocesses by towed profiling sensors, *CH Gibson

*Experimental and numerical studies of soil-water movement to a water table, *RN Ayers & KK Watson

*Unconfined groundwater recharge with clogging, *V Guvansen

*Effect of partial screening and non-Darcy flow on the performance of wells in unconfined aquifers, *CR Dudgeon & RJ Cox

*Flow towards a well of large diameter in a leaky confined aquifer, *MH Abdul Khader & D Ramadurgaiah

*Transonic computational mesh generation by means of panel methods, *PE Rubbert

*A new approach to the boundary layer equations: Optimal control of the Con Mises equation by wall suction and numerical solution using finite difference and finite element techniques, *GM Assassa, CM Brauner & B Gay

*A finite element analysis for acoustic transmission in nonuniform ducts, *RJ Astley

*The application of a finite element method to compressible, inviscid flow, *CAJ Fletcher

*A suggestion of interaction of suspended sediment with turbulence in The Thames Estuary, *JV Russell & PH Kemp

*Monitoring and predicting the behaviour of a river carrying artificially high sediment load, *RJ Higgins

*Particle size effects in turbulent pipe flow of solid-liquid suspensions, *AD Thomas

*A numerical study of the suspension of particles in a horizontally flowing fluid, *RA Reizes

*Some aspects of transport processes in porous media, *L Wittmann

*The effect of the temporal distribution of rainfall on infiltration rate and surface runoff, *SJ Lees & KK Watson

*Modified solution of unsteady state cavity well hydraulics, *CR Katakwar

*Liquid jet impact studies with plain jets and cavijets, *KS Janakiram, BC Syamala Rao & SR Sasikanth

*The mean velocity field of unsteady subsonic air jets, *WH Harch & K Bremhorst

*Choked flow in a jet screen configuration due to cavitation, *RK Duggins

*Fluid mechanics of the nearshore zone, *RL Wiegel

*Drift along Australia’s southern coasts, *A-M Eblen & R Radok

*Ocean waves around the coastlines of Australia, *R Silvester & HL Mitchell

*New formulas for wave forcasting, *S-H Chue

*Recent advances in our understanding of air-sea interaction, *ML Banner

*Application of the electromagnetic flowmeter to the measurement of turbulence fluctuations in The Thames Estuary – a summary, *JV Russell & PH Kemp

*A comparative study of the flow patterns in front of bluff bodies on the ground and a method of their assessment, *JS de Krasinski

*Field measurements of the characteristics of a rural boundary layer near the ground: Part 1 – The measured data, *D Lindley, R Flay & AJ Bowen

*Field measurements of the characteristics of a rural boundary layer near the ground: Part 2 – Data processing, *R Flay & D Lindley

*Development of natural wind models at Monash University, *WH Melbourne

*Some techniques for improving the performance of short conical diffusers, *RK Duggins

*Flow in a channel with a symmetric sudden expansion, *A Kumar & KS Yajnik

*Boundary layer blowing tests on a radial diffuser in low and subsonic Mach range, *JS de Krasinski & M Mehra

*An experimental investigation of pressure recovery factor in discharging manifolds, *KB Shivarudrappa, EVM Sargunar & R Sakthivadival

*The turbulent flow through a sudden enlargement at subsonic speeds, *S Kangovi & RH Page

*The streamline direction at a shock wave in the deflection-speed plane for a relaxing gas,* HG Hornung

*Shock waves generated by spark discharge, *NW Page & PI McKelvie

*Gas dynamics of the exhaust process and the radiated noise from two-stroke engines, *AD Jones & GL Brown

*The interaction of ballistic shock waves with high-speed helium jets, *S-L Hall

*Velocity distribution and resistance to flow in artificially roughened open channels, *RJ Garde & NM Kaka

*Analysis of flow through bottom racks in open channels, *KG Ranga Raju, GL Asawa & R Seetharamaiah

*Use of bed deflectors in open channel expansions, *R Neelavan & M Narayanan

*Scour studies below stilling basins, *BK Pandarinath & NV Pundarikanthan

Development of scour near bridge piers and abutments, WG Field & RJ Hinchey

*Hydrodynamic loading on circular piles, *RJ Sobey & GM Mitchell

*Scour at culvert outlets, *TR Opie

*Hydrodynamic stability of a laminar boundary layer on a flexible boundary with constant suction, *SK Pathak & MC Chaturvedi

*Jet noise in terms of statistical functions, *AL Chandraker & ML Munjal

*Turbulent flow over a very rough surface, *PH Mulhearn

*Pressure fluctuation in turbulent pipe flow due to mitred bend, *MK Bull & MP Norton

*Effects of external turbulence upon the axisymmetric wake of a disk, *CR Symes

*On the near wake behind a circular disc, *DJ Craze

*Linearized low Froude number flows through obstacles, *WK Soh

*Unsteady hydrodynamic interactions between ships in shallow water, *GK King

*The effect of sail loading distributions on sailboat performance, *LW Apperley

*Obtaining basic aerodynamics from simple trajectory measurements by parameter estimation, *RL Pope

*The computation of the unsteady aerodynamics of bodies near a ground surface, *GHS Pike

*Flow instabilities in viscoelastic fluids, *DV Boger & PJ Cable

*Measurement of the two normal-stress coefficients of viscoelastic liquids by holographic interferometry of the Weissenberg Effect, *HG Hornung, SM Thurgate & LO Brown

*The analysis of molten metal flow in the hot chamber pressure die casting process, *J Davis & H Siauw

*Analysis of some discontinuous initial-value problems for free-molecular gas mixtures, II, *RA East & A Glikson

*Modelling plane turbulent flows with point-vortices: A numerical experiment, *B Delcourt & GL Brown

*Irrotational representation of deflected flow with separation, *JA Hart

*Cell size and flow history effects in the Taylor vortex regime, *JA Cole

*A compact multi-purpose wind tunnel for industrial research,* RP Llewelyn, JA Hart & RJ Griss

*Sand sausages for beach defence work, *GS Liu & R Silvester

*Model simulation of damage to Rosslyn Bay breakwater during cyclone “David”, *DN Foster

*Vortex scour due to wave action at a breakwawter tip, *HT Chang

*Development of armoured surfaces in alluvial channels, *AJ Sutherland & EB Williman

*A high-order series solution for standing water waves, *LW Schwartz & AK Whitney

*On waves at an interface between two liquids, *PF Rhodes-Robinson

*Numerical investigations about the predictions of free surface shallow water motions, *M Pandolfi & L Zannetti

*Undular bores, *DL Wilkinson & ML Banner

*A quasi-three-dimensional design of axial flow compressor blades by use of cascade data, *T Ikui & M Inoue

*Operational experience with a 5m Darrieus wind turbine, *VAL Chasteau

*Flow of air bubbles in centrifugal impellers and its effects on the pump performance, *M Murakami & K Minemura

*Hydraulic torque converters design, *GGL Zarotti & N Nervegna

*Influence of surface roughness on the performance of a radial pump impeller, *BS Narasimha Murthy, M Ravindran & HC Radha Krishna

*Data acquisition and control equipment for studying unsteady flow in an axial compressor, *GJ Walker

**Part II**

*Interactions between adjacent turbulent flows, *P Bradshaw

*Turbulent flow in a rectangular duct, *IA Hunt & PN Joubert

*Large structure in a turbulent boundary layer, *ASW Thomas & GL Brown

*Conditional probability densities in a turbulent heated round jet, *RA Antonia & KR Sreenivasan

*Acoustic coupling in a turbulent flow, *CJ Abell

*Effect of increase of momentum on discharge characteristics of broad crested weirs, *KG Ranga Raju, S Sharma & S Murali Krishna

*Investigation of uplift due to flow over weir crest gates, *IG Hampton & EJ Lesleighter

*Uncontrolled chute spillway with unlined cascade, Dartmouth Dam, *V Michels

*Finite element approach to die-swell problem of non-Newtonian fluids, *KR Reddy & RI Tanner

*Wall effect for sphere motion in inelastic non-Newtonian fluids, *R Chhabra, C Tiu & PHT Uhlherr

*Temperature and concentration effects on the rheological properties of polymer solutions, *C Tiu, J Cooper & KL Tan

*A finite element frozen vorticity solution for two-dimensional wind flow over hills, *RJ Astley

*The effects of freestream turbulence on a galloping square tower, *KCS Kwok & WH Melbourne

*A field study to determine the drag coefficient and the associated centre of pressure of a forest front, *AJG Papesch

*Generalised velocity profile for films on a smooth vertical plate, * S Portalski

*Unsteady free convection laminar flow past an infinite plate with suction, *GS Brar

*Laminar boundary layer and heat transfer over an extending film, *WH Jou

*Three-dimensional convection in an inclined differentially heated box, *AD Graham & GD Mallinson

*Behaviour of negatively buoyant gas plumes resulting from a LNG spill, *RN Meroney & DE Neff

*Behaviour of a buoyant surface plume in a reversing longshore current, *EJ Wolanski & ML Banner

*Effect of Reynolds number on the spread of surface buoyant jets, *KVN Sarma & IV Muralikrishna

*Pre-dilution devices with swirl control,* DG Ross

*Minimisation of relaxation drag, *E Becker & W Ellermeier

*Cross-flow characteristics on a cylindrical body at incidence in subsonic flow, *ML Robinson

* The next approximation after boundary layer theory, *AR Oliver

*Jelly fish swimming – helicopter flying analogue, *LJ Cubitt

*The mechanics of colloidal dispersions, *GK Batchelor

*Shear induced coagulation, *RW O’Brien

*Transport in sieve tubes and plasmodesmata, *JR Blake

A case of steady plane flow of an ideal gas with infinite electrical conductivity in a magnetic field, A Glikson

*An exact low-enrichment separation theory for the countercurrent gas centrifuge, *DJ Craze

*Digital data evaluation of turbulence parameters using a mini-computer, *GPD Rajasooria, DF Haines & AN Poo

*Effect of removal of a central thimble on coolant flow distribution in a research reactor fuel element, *WJ Green

*Incompressible laminar and turbulent flow in the entrance region of a smooth circular pipe, *AK Mohanty & SBL Asthana

*A comparison of developed single phase turbulent flow in two and three dimensions, *JD Hooper

*The influence of stream turbulence on the drag of freely entrained spheres, *TJ Anderson & PHT Uhlherr

*State-of-the-art review of pressure surge studies, *ARD Thorley

*Investigation of pressure surges and design of protection devices for water distribution systems, *BS Frankham & BT Jayaramaiah

*Field data analysis of a large air chamber installation, *HR Graze, J Schubert & JA Forrest

*Surge propagation speeds in ducts of regular polygonal cross-section, *ARD Thorley & GLJ Buttigieg

*Characteristics of power station surges in a river – a hydraulic model study, *IG Hampton, DC Green & EJ Lesleighter

*Choking conditions in pneumatic conveying, *TN Smith

*Recent advances in cocurrent gas-solid flow down sandpipes, *PJ Jones & LS Leung

*The atomization of liquids at low ambient temperature conditions, *GA Karim & R Kumar

*Duct losses in a two phase steam water flow, *DH Freeston & H Hole

*Filmwise condensation of vapour on the outside of a rotating cylinder with downwise removal of condensate, *AU Ahmed & AK Johnston

*The use of digital correlators with laser anemometers, *JG Black & MJ Philip

*Effect of circulation of longitudinal dispersion in open channel, *SK Pathak, PK Pande & S Kumar

*A tube viscometer for slurry investigations, *PRB Tuft

*An analogue of the Wheatstone Bridge using critical flow nozzles, *WA Caw, NW Bryant & GA Bell

*Flow direction and magnitude – a suspension wire application,* BB Sharp & N Haritos

*Calculation of potential flows using surface distributions of vorticity, *RP Llewelyn & RC Joynt

*Cross flows in the flow from an elongated orifice, *RJ Stalker

*Outflow through a side orifice in the wall of a channel, *A Glikson

*An example of three-dimensional, compressible potential flow – Does it represent the real flow?, *DA Frith