**Proceedings of the Tenth Australasian Fluid Mechanics Conference **

**Table of Contents **

**Keynote Paper**

*The dynamics of a mixture of two components, *GK Batchelor

**Turbulent Boundary Layers I **

*Effect of abrupt pressure gradients on the structure of turbulent boundary layers, *Promode R Bandyopadhyay

*A study of the Reynolds-shear-stress spectra in zero-pressure-gradient boundary layers, *I Marusic, JD Li & AE Perry

*Three-dimensional boundary layer flow with streamwise adverse pressure gradient, *David M Driver & James P Johnston

**Jets/Wakes I**

*Some instability characteristics in jets, *JCS Lai

*The velocity field of a rectangular wall jet, *A Pollard & RR Schwab

*On the development of a turbulent free triangular jet, *WR Quinn

** Optical Experimental Techniques I**

*The resolution of coherent structures by dynamic schlieren, *MR Davis

*Relationship between LDA velocity bias and flow time scales, *AR Winter, LJW Graham & K Bremhorst

*Spatial resolution in laser based-scalar measurements, *MS Mansour, RW Bilger & RW Dibble

** Acoustics I **

*A unified approach to the prediction of sound attenuation in lined ducts with flow, *Colin H Hansen & David A Bies

*Noise rating of fans on the basis of the specific sound power level, *W Neise

*Numerical prediction and experimental measurement of acoustics and flow in a duct with baffles, *AN Stokes, MC Thompson, K Hourigan & MC Welsh

**Compressible Flows I **

*Supersonic separated flow over a swept compression corner, *O Ozcan, MO Kaya & H Unalmis

*The structure of the instantaneous density field in supersonic boundary layers, *Michael Smith, Vinod Kumar, Alexander Smits & Richard Miles

*Measurements of glancing shock wave/boundary layer interaction from Mach 1.9 to 3.8, *CHB Stacey & JM Simmons* *

**Stratified Flows I **

*Vertical heat flux in the hypolimnion of a lake, *J Imberger

*The response of a stratified lake to a surface shear stress, *Craig Stevens

*Physical mechanisms for the propagation of wind driven surface fires, *Peter G Baines

**Cavitation and Bubbles**

*High speed visualization of vapour cavity near boundaries, *KC Wong, WK Soh & HR Blake

*Underwater explosion bubble dynamics in the neighbourhood of boundaries, *JP Best, A Kucera & JR Blake

** Turbulence I **

*Mean normal pressure field for the near wall region in single phase turbulent flow, *JD Hooper

*A turbulent boundary layer at low Reynolds number with adverse pressure gradient, *JH Watmuff & RV Westphal

*On flow processes related to wall pressure fluctuations in turbulent pipe flow, *A Dinkelacker, C Baumann & W Otto* *

**Keynote paper**

*Effects of rotation on homogeneous turbulence, *WC Reynolds

** Free Shear/Mixing Layers**

*Quantitative mapping of particle dispersion in an axially forced round jet, *Ellen K Longmire & John K Eaton

*An experimental study of forced streamwise vertical structures in a plane mixing layer, *Rabindra D Mehta & James H Bell

*A dynamical systems model for the axisymmetric jet mixing layer, *X Zheng, M Glauser & C Doering

**CFD I **

*Prediction of turbulent swirling flow in a diffuser with a tailpipe, *Nam-Hyo Cho & Clive AJ Fletcher

*Numerical solution of the incompressible Navier-Stokes equations for steady-state and time-dependent problems, *Stuart E Rogers, Dochan Kwak & Cetin Kiris

*Near-field structures in three-dimensional spatially-developing wakes, *Jeffrey C Buell & Nagi N Mansour

** Multiphase Flows I **

*Effect of flow obstructions on void fraction profile in vertical air/water flow,* V Ilic & M Senyolcu

*Self-excited waves in gas-agitated baths, *MP Schwarz

*Flow stability in a large industrial fluidized bed plant, *DR Burton, MC Welsh & GJ Walker* *

** Hypervelocity I **

*Numerical simulation of laminar hypersonic boundary layer flows, *ML Sawley, S Weuthrich & JB Vos

*Investigation of hypersonic injection, *R Casey & RJ Stalker

*Laminar fluid convection of low Prandtl number fluid in the annuli of rotating cylinders, *TS Lee & KS Yeo

** Geophysical Flows I**

*Viscous plumes and sheets falling on a density or viscosity interface, *JS Turner & RW Griffiths

*Viscous flow in propagating cracks: The transport of molten rock through the Earth’s lithosphere, *JR Lister

*Solidification and deformation of crust on viscous-gravity flows, *JH Fink, RW Griffiths & D Corrigan

** Vortex Shedding/Periodic Flows**

*Numerical study for the shedding of vorticity from a semi-infinite plate, *Ching-Fu Yu & Wee-King Soh

*Vortex shedding from rectangular plates in tandem, *MK Bull, JM Pickles, BT Martin & MC Welsh

*The influence of sounds on the flow over a long blunt plate: Vortex shedding and base pressure coefficients, *K Hourigan, CYL Chan, LW Welch & MC Thompson

** Heat Transfer/Convection I**

*The onset of thermal convection in a rectangular duct flow, *Giorgio A Bemporad & Hillel Rubin

*Heat transfer in a turbulent boundary layer, *Lars R Saetran

*Use of conditional averaging to obtain biogeochemical reaction rates and stoichiometries under turbulent mixing, *RW Bilger, LV Krishnamoorthy & LR Saetran

**Keynote Paper**

*Vorticity generation and transport, *Hans Hornung

** Flow Structures/Topology**

*The topology and vorticity dynamics of a three-dimensional plane compressible wake,* Jacqueline H Chen, Brian J Cantwell & Nagi N Mansour

*A new flying hot-wire system for flow topology studies, *RM Kelso, TT Lim & AE Perry

*Streamlines, vorticity lines, and vortices, *Leslie A Yates & Gary T Chapman

** Stratified Flows II**

*Mixing in density-stratified conjugate flows, *Marco Rasi, E John List, Greg Sullivan & Regina Dugan

*Direct simulation of breaking internal waves, *SW Armfield & J Taylor

*The nonlinear behaviour of shear waves, *SR Clarke

** Acoustics II**

*Active control of noise transmission into an enclosure – Effect of actuator location, *J Pan, CH Hansen & DA Bies

*Structures in diffusion flames – An acoustic viewpoint,* IG Pearson, A Cabelli, IC Shepherd & NB Hamilton

*Reduction of sound generated by a plane jet impinging on a circular cylinder, *Osamu Mochizuki & Masaru Kiya

** Experimental Techniques I**

*Tubing networks for full-scale pressure measurements, *CW Letchford

*A re-examination of the leaked-tube dynamic pressure measurement system, *JD Holmes & RE Lewis

*Characteristics of viscous flows in narrow rectangular channel, *AK Tieu, PB Kosasih, M MacKenzie & SCD Ng

** Turbulence II**

*Extension of pattern recognition analysis techniques to distorted and manipulated flows, *AM Savill & JA Ferre

*Some selected contributions from Peter N Joubert and his students to the study of perturbed turbulent boundary layers, *SG Saddouchi

*Modelling of the organized motion in turbulent flows, *DK Bisset & RA Antonia

**Non-Newtonian Fluid Mechanics**

*Finite element simulation of the kinematics of the aspirated jet, *DJ Hasberg & YL Yeow

*Exponential shear of dilute polymer solutions,* C Jinan & ME Mackay

*Laminar circular entry flows of viscoelastic fluids, *RJ Binningtonn & DV Boger

** Compressible Flows II**

*A theoretical study of unsteady shock wave/boundary layer interaction in two dimensions, *ASS Mahkri & JM Simmons

*The simulation of hypersonic flow using a zonal approach, *Jolen Flores

*Hypersonic 3-D flow past winged bodies, *Denny S Chaussee

**Bluff Bodies I**

*Vortex shedding from cylinders in near axial flow, *MK Bull & WA Dekkers

*Flow past a rotating cylinder, *BR Morton & DB Ingham

*Numerical simulation of flow past a cube in a turbulent boundary layer, *DA Paterson

**Keynote paper**

*Low dimensional models of the wall region of a turbulent boundary layer, and the possibility of control,* John L Lumley

**Turbulent Boundary Layers II**

*An experimental study of a wake-boundary interaction,* V Baskaran & P Bradshaw

*The phase-dependence of a swirling, turbulent boundary layer, *SG Koh, PD Clausen & DH Wood

*Shear stress profiles in zero-pressure-gradient turbulent boundary layer, *JD Li & AE Perry

**Acoustics II**

*Wall-pressure fluctuations of subsonic and supersonic orifice-plate flows, *MK Bull & WT Johnson

*Numerical prediction of tripped flow past a resonator tube, *MC Thompson, K Hourigan, E Brocher & MC Welsh* *

** Multiphase Flows II**

*Experimental analysis of free oscillating liquid drops, *WJ Hiller & TA Kowalewski

*Droplet dispersion in a round turbulent jet, *Charles J Call & Ian M Kennedy

*Two-phase bubbly-droplet flow through a contraction: Experiments and a unified model,* B Couet, P Brown & A Hunt

**Experimental Facilities**

*Factors affecting the design of a new transonic wind tunnel for Australia, *Neil Pollock

*Use of a four-wire probe for the measurement of turbulent vorticity fluctuations, *RA Antonia & S Rajagopalan

*Development of an enlarged working section for boundary layer wind tunnel tests with reduced blockage effects,* JCK Cheung

** Optical Experimental Techniques II**

*The use of image processing in turbulent mixing and combustion experiments, *TC Chew & RE Britter

*Holographic measurement of velocity gradients in fluid flows sensitized with photochromic dyes, *JC Agui & L Hesselink

*Turbulence measurements in liquid flows using a dedicated LDV system, *Rajan Menon

**CFD II**

*Transonic viscous flow computations about a complete aircraft using the Navier-Stokes equations, *Neal M Chaderjian & Jolen Flores

*A combined penalty function – finite volume method, *J Simoneau & A Pollard

*Application of a pseudospectral (collocation) method to unsteady flow problems, *WK Chiu, J Soira & MP Norton

**Recirculating Flows**

*Thin uncambered aerofoils with a leading-edge separation bubble, *BG Newman & M-C Tse

*Theoretical analysis of the detaching turbulent three-dimensional flow in the stern region of a hull, *Th Knaak, J Kux & K Weighardt

** Coherent Structures I**

*Evolution of coherent structures in the reattachment region of a separated flow, *S Jovic & LWB Browne

*Organised motion in a fully developed turbulent duct flow, *M Teitel & RA Antonia

**Keynote Paper**

*New approaches to problems in fluid mechanical mixing, *A Leonard

** Vortex Motion**

*Unsteady vortex breakdown in an enclosed cylinder flow, *JM Lopez

*Interactive dynamics of strained vortices, *DI Pullin & James D Buntine

*Open separation and vortex formation – Numerical simulation and analysis of a delta wing flow, *A Hilgenstock, H Vollmers & U Dallmann

** Environmental Fluid Mechanics I**

*Morison force coefficients for compliant cylinders in waves, * N Haritos

*Full scale and model forest wind spectra at tree-top height for different tree species, *AJG Papesch & KF Miller

Crystallisation from a binary melt: A measurement of solid fraction in the mush layer, TGL Shirtcliffe

**Turbulent Boundary Layers III**

*Near wake studies of an airfoil with micro-grooves, *Anwar Ahmed, Jose M Caram & C Ostowari

*Observations on turbulent boundary layer and the near wake of an afterbody, *V Krishnan & KS Yajnik

*Turbulent pipe flow manipulation: Some experimental and computational results for tandem manipulator rings, *A Pollard, AM Savill & H Thomann

** Wind Engineering**

*Wind tunnel model study of Antarctic snowdrifting,* DH Kim, KSC Kwok & HF Rohde

*Measurements of the turbulent wind environment experienced by a moving vehicle, *S Watkins, PH Hoffmann, JW Saunders & JD Holmes* *

**CFD III**

*A vortex method for simulation of the three dimensional flow field in a spark ignition engine, *S Kumar & HC Watson

*Direct numerical simulations of the impulsive flow past a wedge-like corner, *C Mavriplis, P Fischer & GE Karniadakis

*Turbulent flow computation for complex three-dimensional ducts, *Z Zhu & CAJ Fletcher

**Coherent Structures II**

*A note on the cause of rebound in vortex ring/wall interactions, *TT Lim, TB Nickels & MS Chong

*Growth and decay of ordered motions in the transition region of a two-dimensional wake, *Hiroshi Sato

*Experimental study of three-dimensional aspects of organized motion in turbulent flows, *DK Bisset & RA Antonia

**Aerodynamics**

*A three-dimensional aerodynamic model for horizontal-axis wind turbine, *DH Wood

*The aerodynamics of shuttlecocks, *Alison J Cooke

*Visualisation of vortex flow around canard configurations with highly-swept leading edges, *DH Thompson

** Acoustics IV**

*Experimental study of the acoustic-coherent structure coupling on a simplified geometry installation,* S Pauzin, D Biron & P Hebrard

*Engine supercharging by active adjustment of manifold resonances, *JE Ffowcs Williams & K Roussopoulos

*The excitation of acoustic resonances by flow around two circular cylinders in tandem in a duct, *MC Welsh, K Hourigan, MC Thompson, AN Stokes & J Soria

**Keynote Paper**

*Building bridges between dynamical chaos and open-flow turbulence, *R Narasimha

**Turbulence III**

*The generalized Lagrangian mean equation and a mechanics for streamwise vortices in a turbulent shear flow, *WRC Phillips

*An evaluation of the effect of a fluctuating convection velocity on the validity of Taylor’s hypothesis, *William K George, Hussein H Hussein & Scott H

Woodward

Lagrangian statistical simulation of the turbulent motion of heavy particles, BL Sawford & FM Guest

**Compressible Flows III**

*An experimental study of transonic flows past a sphere, *SSW Lam & N Pollock

*Transition of compressible high enthalpy boundary layer flow over a flat plate, *Y He & RG Morgan

*Base flow behind a castellated blunt trailing edge aerofoil in supersonic flow, *Eric C Magi & Sudhir L Gai

** 3-D Flows**

*Generation of swirl in an open-circuit wind tunnel, *PV Lanspeary & MK Bull

*A precessing asymmetric flow field in an abruptly expanding axi-symmetric duct, *RE Luxton & GJ Nathan

*A possible recirculation limit for expanding swirling flows, *PD Clausen & DH Wood

**Transition and Instability**

*The generation of boundary layer waves in a laminar boundary layer by leading edge tip vibrations, *J Soria, WK Chiu & MP Norton

*Similarity representation of transitional boundary layers under positive pressure gradients, *JP Gostelow & GJ Walker

**Keynote Paper**

*Topology of three-dimensional, variable density flows, *Brian Cantwell, Gregory Lewis & Jacqueline Chen

**Turbulent Modelling**

*Some open questions in turbulence modeling from viewpoint of asymptotic theory,* K Gersten

*A numerical study of turbulent in a channel with a wavy wall, *Juliet T Chon & VC Patel

*On the role of mean-flow three-dimensionality in turbulence modeling,* G Romberg

**Rotating Flows**

*Resonant collapse in a precessing tank, *Richard Manasseh

*Effects of coriolis force on developing turbulent channel flow, *hide S Koyama, E Tamura & R Saito

*Physical mechanisms of axisymmetric vortex breakdown, *JM Lopez & GL Brown

**Hypervelocity II**

*Real gas effects in hypervelocity flows over an inclined cone, *RM Krek, K Hannemanm & DI Pullin

*Theoretical and experimental test times available in an expansion tube, *A Paull & RJ Stalker

*Calculations of three-dimensional hypervelocity cone-flow with chemical reactions, *MN MacRossan, DI Pullin & NJ Richter

**Keynote Paper**

*Mechanics of anisotropic fluids, *Morton M Denn* *

**Keynote Paper**

*Dissociating flows in hypervelocity aerodynamics, *RJ Stalker

**Geophysical Flows II**

*Impulsive disturbance in a rotating stratified fluid, *Robb McDonald

*A condition for gyre formation by the surface outflow from a strait,* Myriam Bormans

*The small-scale structure of acceleration correlations and its role in the statistical theory of turbulent dispersion, *MS Borgas

**Bluff Bodies II**

*Interference between two two-dimensional circular cylinders in turbulent flow, *H Zhang & WH Melbourne

*Flow past normal flat plates, *DB Ingham & BR Morton

**Turbulence IV**

*The mechanism behind pipe turbulence, *U Brosa, GEA Meier & EO Schulz-DuBois

*A calculation method for turbulent boundary layers on rough surfaces, *Per Age Krogstad

*Oscillating grid turbulence, *Xu Shu Zhang & BR Morton

**Jet/Wakes II**

*Near wake characteristics of circular cylinders arranged in a non-connecting cruciform geometry, *TA Fox

*Investigation into the wakes of blunt trailing edge aerofoils at low Reynolds numbers, *M Petrusma & Sl Gai

*The development of three dimensionality in the near and in the far wake due to changes of the boundary conditions, *Detlev Gerich* *

**Reacting Flows/Combustion**

*Soot formation rates in two laminar ethylene diffusion flames, *DR Honnery, S Djingga & JH Kent

*On the structure of turbulent nonpremixed flames near extinction, *AR Masri, RW Bilger & RW Dibble* *

**Environmental Fluid Mechanics II**

*Hydraulic jumps on steep slopes and at small Froude numbers,* CJ Apelt

*The stability of a terminating waterspout, *GL Roff & BR Morton

*A laboratory model of convection in the atmospheric boundary layer, *MF Hibberd & BL Sawford

**MHD/Geophysical Flows**

*Electrohydrodynamic (EHD) enhancement of two-phase heat transfer, *Paul Cooper

*Hydrodynamic experiments for mercury flowing in electrically conducting and non-conducting pipes and bends in a magnetic field, *DRH Beattie

*Convection and disequilibrium during the solidification of a binary melt, *Ross C Kerr, AW Woods, MG Worster & HE Huppert

**Industrial Fluid Mechanics**

*Standing wave formation in Peirce-Smith converters, *JL Liow & NB Gray

*Flow analysis of a centrifugal impeller in bubbly water using field singularity method, *H Nishiyama, A Haseyama, Y Takahashi & S Kamiyama

*Flow modeling the ISF continuous tapper, *M Dell’amico, NA Molloy, D Varcoe & J Marzouk

**Keynote Paper**

*Developments in detonation theory, *JF Clarke

**CFD III**

*Unsteady interactive boundary layer flow, *R Vasantha & N Riley

*Comparison of heat exchanger erosion caused by viscous and inviscid flow, *AN Kitchen & CAJ Fletcher

*Flow measurement and numerical prediction in an isothermal model furnace, *Harley MacKenzie, Robert Mierisch & John Perry

**Wind Engineering**

*The variation of peak-gust speeds over an isolate hill, *AJ Bowen, Zheng Hong & DE Stock

*Wind environment measurements and acceptance criteria developed at the University of Auckland, *RGJ Flay

*Measurements of coefficients of lift and spanwise correlation for a circular cylinder oscillating in a turbulent flow, *HM Blackburn & WH Melbourne

**Scram Jets/Experimental Techniques**

*Hypervelocity flow in axisymmetric nozzles, *PA Jacobs & RJ Stalker

*Numerical investigation of hypersonic exhaust plume/afterbody flow fields, *TA Edwards

*The effects of feedback amplifier characteristics on constant temperature hot-wire anemometer systems, * JH Watmuff

**Stratified Flows III**

*Laboratory measurements of temperature microstructure in salt fingers, *J Taylor

*Convective circulation in reservoir sidearms of small aspect ratio, *Duncan E Farrow

*An analytic solution to the sediment diffusion equation, *JS Montes