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

**Table of Contents **

**Plenary Papers **

**The G.K. Batchelor Lecture**

*Small-scale turbulence: how universal is it?*, RA Antonia & P Burattini

**Keynote Lectures**

*Computing turbulent channels at experimental Reynolds numbers*, J Jimenez & JC del lamo

*Gravity currents in nature and industry*, HE Huppert

**Invited Lectures**

*Spin-up flow of an incompressible fluid*, JS Park & JM Hyun

*The energetics of horizontal convection*, RW Griffiths & GO Hughes

*Very large-scale structure observed in DNS of turbulent channel flow with passive scalar transport*, H Kawamura, H Abe & Y Matsuo

*Effects of subtle and dramatic changes to initial conditions on a jet’s turbulent structure, mixing and combustion*, GJ Nathan, J Mi, GJR Newbold, DS Nobes & ZT Alwahabi

**Contributed Papers **

*The cut-off frequency of constant temperature hot-wire systems in turbulent velocity measurements*, JD Li

*The effect of Coriolis force on Maragoni convection*, I Hashim & W Sarma

*Dam break wave propagation on abrupt drops: an experimental study*, H Chanson

*A new solution for ocean waves propagating over a sloping beach*, D-S Jeng & BR Seymour

*Simultaneous field measurements of turbulence and water quality in a sub-tropical estuary in Australia*, H Chanson, R Brown & J Ferris

*SD velocity-field analysis using triple decomposition of motion*, V Kolar

*Numerical simulation of drop formation in a T-shaped microchannel*, JL Liow

*Flow of nonlinear viscoelastic fluid in concentric rotating cylinders with relative rotation*, M Mirzazadeh, F Rashidi & SH Hashemabadi

*Behaviour of water droplets falling in oil under the influence of an electric field*, M Chiesa & JA Melheim

*Electrocoaledscence modeling: an engineering approach*, M Chiesa

*Partially-reflecting characteristic-based boundary conditions*, R Olsen & IR Gran

*Feasibility study using computational fluid dynamics for the use of a turbine for extracting energy from the tide*, DA Egarr, T O’Doherty, S Morris & RG Ayre

*A numerical study of the application of radial basis function and generalized smoothed particle hydrodynamics to CFD*, J Ha

*The effect of zero-mean suction on Grtler vortices: a receptivity approach*, JP Denier

*The safe basin erosion of a ship in waves with single degree of freedom*, X Wu, L Tao & Y Li

*Exchange flow between continuously stratified reservoirs*, Andrew Mc, C Hogg, PD Killworth

*Simulations of the dam break problem and impact flows using a NavierStokes solver*, K Abdolmaleki, KP Thiagarajan & MT Morris-Thomas

*Numerical study of moist air flow through the Ludwieg tube*, M Tanaka, S Matsuo, R Nishizaki, HD Kim & T Setoguchi

*Measurement and modeling of controlled beach groundwater levels under wave action*, LS Ang, CH-Y Sum, TE Baldock, L Li & P Nielson

*Drag reduction on bluff bodies using a rotating device*, SE Robson & NA Ahmed

*Radial turbine with pitch-controlled guide vanes for wave energy conversion*, M Takao, Y Fujioka, H Ito & T Setoguchi

*The zeroth law of turbulence in steady isotropic turbulence*, BR Pearson, TA Yousef, NEL Haugen, A Brandenburg & P- Krogstad

*The stability of decaying pipe flow*, N Jewell & JP Denier

*Effect of delta wing’s leading edge geometry to vortex breakdown*, Sutthiphong Srigrarom

*Outflow from a plume impinging on a horizontal boundary*, NB Kaye & GR Hunt

*On transient flow in a ventilated filling box*, GR Hunt & NB Kaye

*A study of base drag optimization using mass bleed*, YK Lee, HD Kim & S Raghunathan

*Modelling chemical reaction in a scalar mixing layer*, BL Sawford

*Velocity measurement in turbulent boundary layer of drag-reducing surfactant solution*, M Itoh, S Tamano, K Yokota & M Ninagawa

*Numerical investigation of unsteady flow and heat transfer in wavy channels*, Mohammad Zakir Hossain & AKM Sadrul Islam

*Surface-flow patterns in oscillating-triangular-jet nozzles*, SK Lee, PV Lanspeary, GJ Nathan & RM Kelso

*Influence of vegetation height and density on turbulent boundary layer*, P Gualtieri, G Pulci Doria & L Taglialatela

*The transport of sediment over a sloping breakwater*, AJ Hogg & D Pritchard

*Preliminary identification of flow regimes in a mechanically oscillated planar jet*, M Riese, GJ Nathan & RM Kelso

*Turbulent stress invariant analysis: clarification of existing terminology*, AJ Simonsen & P- Krogstad

*A physical model of the turbulent boundary layer consonant with the structure of the mean momentum balance*, J Klewicki, P McMurtry, P Fife & T Wei

*Dynamics of a transient wave group breaking on a beach*, TE Bladock

*Detonation modeling of corner-turning shocks in PBXN-111*, JP Lu, FC Christo & DL Kennedy

*The external flow structure of a naturally precessing fluidic jet*, Chong Yau Wong, Richard M Kelso & Graham J Nathan

*An investigation of the influence of nozzle aspect ratio on velocity field of turbulent plane jet*, RC Deo, J Mi & GJ Nathan

*The anomalous refraction of shock waves in gases*, LF Henderson, EG Puckett & P Colella

*Autocorrelation functions and the determination of integral length with reference to experimental and numerical data*, PL O’Neill, D Nicolaides, D Honnery & JSoria

*Experimental-numerical investigation of a bend diffuser-configuration*, AJ Simonsen & P-Krogstad

*Numerical studies on turbulent separated flows in high-velocity transient motor*s, VR Sanal Kumar, HD Kim, BN Raghunandan & T Setoguchi

*The effect of turbulence on cloud droplet collision rates*, CN Franklin, PA Vaillancourt, MK Yau & P Bartello

*Low-Reynolds-number stirring in simple devices*, SM Cox

*Bubble entrapment during water drop impacts*, DE Cole & JL Liow

*Scaling analysis and direct simulation of unsteady natural convection cooling of fluid with Pr¡1 in a vertical cylinder*, Wenxian Lin & SW Armfield

*Effects of axial pulsing on unconfined vortex breakdown*, S Khalil, K Hourigan & MC Thompson

*The aerodynamic forces on a series of tennis balls*, F Alam, S Watkins & A Subic

*Topographically trapped finite-amplitude kink solitons*, SR Clarke

*Linear and nonlinear acoustic behaviour of outlet nozzles*, WH Moase, MJ Brear & C Manzie

*Optimal nose shaping for delayed boundary-layer separation in laminar plane-symmetric and axisymmetric flow*, TW Mattner, EO Tuck & JP Denier

*The unsteady near-wake of a simplified passenger car*, G Vino, S Watkins, P Mousley, J Watmuff & S Prasad

*Convective exchange between two connected chambers*, MA Coman, GO Hughes & RC Kerr

*Lamb vector properties of swirling jets*, W Kollmann & G Umont

*Measurements of temperature and water vapour concentration in a scramjet combustor*, AD Griffiths & AFP Houwing

*Preliminary examination of a round jet initial condition anomaly for the k- turbulence model*, EJ Smith, J Mi, GJ Nathan & BB Dally

*Modelling of transient behaviour in a Francis turbine power plant*, Tzuu Bin Ng, GJ Walker & JE Sargison

*Skin friction CFD calculation for complex flow: turbulent flow along an external corner*, KAM Moinuddin, PN Joubert & MS Chong

*Influence of free-stream turbulence on wakewake interaction in an axial compressor*, AD Henderson, GJ Walker & JD Hughes

*Experiments and modeling of impinging jets and premixed stagnation flames*, JM Bergthorson, DG Goodwin & PE Dimotakis

*Effect of grid geometry on the scale-by-scale budget of decaying grid turbulence*, P Lavoie, RA Antonia & L Djenidi

*Some hydrodynamic characteristics of an air-cushion supported concrete gravity structure*, B Chenu, MT Morris-Thomas & KP Thiagarjan

*Study of micro shock waves and cavitation generated by Ho: YAG laser beam for medical application*, SHR Hosseini & K Takayama

*Experimental review of devices to artificially thicken wind tunnel boundary layers*, JE Sargison, GJ Walker, V Bond & G Chevalier

*The entrance length for fully developed turbulent channel flow*, K Lien, JP Monty, MS Chong & A Ooi

*The development and use of dynamic pressure probes with extended cones of acceptance (ECA)*, Simon Watkins, Peter Mousley & Gioacchino Vino

*The effect of particle concentration on the coefficient of drag of a spherical particle*, DS Dodds & J Naser

*Periodic forcing of baroclinic basin-scale waves in a rotating stratified basin*, GW Wake, J Gula & GN Ivey

*An internal solitary wave parameterization for hydrodynamic lake models*, L Boegman, GN Ivey & J Imberger

*Differential diffusion: often a finite-mixing length effect*, Peter Nielsen & Ian AL Teakle

*Shedding some light on beta factors*, IAL Teakle & P Nielsen

*Modelling gas-liquid bubbly flows*, GH Yeoh & JY Tu

*Numerically modeling blockage effects on the flow between flat plates*, MD Griffith, K Hourigan & MC Thompson

*Effects of turbulence manipulation in skimming flows: an experimental study*, CA Gonzalez & H Chanson

*Hydrodynamic performance of a surfboard fin*, PA Brandner & GJ Walker

*Effect of localized wall suction on the small-scale motion in a turbulent boundary layer*, O Oyewola, L Djenidi, P Burattini & RA Antonia

*Pressure measurements on an automobile side rear view mirror*, R Jaitlee, F Alam & S Watkins

*A numerical comparison of forced and free vibration of circular cylinders at low Reynolds number*, JS Leontini, MC Thompson & K Hourigan

*Vortex wake and energy transitions of an oscillating cylinder at low Reynolds number*, BE Stewart, JS Leontini, K Hourigan & MC Thompson

*Comparison of flow characteristics of 45 forward and 45 backward facing proximal anastomosis models: a particle image velocimetry study*, WF Ji, KP Chua, M Zhou & SCM Yu

*Dynamic measurement of differential buffet pressure*, JH Watmuff, G Vino, S Watkins & B Hill

*Evidence of the -1-law in a high Reynolds number turbulent boundary layer*, TB Nickels, S Hafez, I Marusic & MS Chong

*Characterising roof ventilators*, A Revel & BP Huynh

*Laminar-turbulent transition of a boundary layer by a single roughness element in an inlet region of a circular pipe*, M. Ichimiya

*Model for anomalous scaling of turbulent structure functions*, TS Lundgren

*Noise emission in large aspect ratio cavities*, G Guj, R Camussi, A Di Marco & A Ragni

*Analysis of the propeller wake by pressure and velocity correlation*, M Felli, F Di Felice, G Guj & R Camussi

*Dominant spanwise Fourier modes, and the existence of very large scale coherence in turbulent boundary layers*, N Hutchins, B Ganapathisubramani & I Marusic

*Dual-plane PIV investigation of structural features in a turbulent boundary layer*, I Marusic, B Ganapathisubramani & EK Longmire

*Numerical study of flow and forced heat transfer of Robertson-Stiff fluid flowing axially through concentric annuli*, Aliakbar Heydari Gorji & Fariborz Rashidi

*Numerical analysis of turbulent convective heat transfer processes in a square –sectioned U-bend duct*, Sassan Etemad & Bengt Sundn

*The internal wave field generated by the body and wake of a horizontally moving sphere in a stratified fluid*, James W Rottman, Dave Broutman, Geoff Spedding & Patrice Meunier

*Direct injection of natural gas/liquid diesel fuel sprays*, TR White, BE Milton & M Behnia

*The turbulent wind environment of birds, insects and MAVs,* S Watkins & G Vino

*Coherent structure dynamics in jets from irregular shaped nozzles*, J Hart, J Naser & P Witt

*CFD investigation of particle deposition around bends in a turbulent flow*, A Hossain & J Naser

*A steady filling box solution with zero net buoyancy flux*, GO Hughes, RW Griffiths & JC Mullarney

*Experimental investigation of a rectangular slot-burner in the presence of cross-flow for different jet velocity ratios*, S Ahmed, J Naser, J Nikolov, C Solnordal, W Yang & J Hart

*Direct and large eddy simulation of a turbulent channel flow with roughness on one wall*, S Leonardi, F Tessicini, P Orlandi & RA Antonia

*Evolution of a turbulent wedge from a streamwise streak*, JH Watmuff

*Response of ocean circulation to variable wind forcing*, AE Kiss & C Mnesguen

*A directional event detector for conditional laser imaging*, PV Lanspeary & SK Lee

*Investigations on the closure of laminar separation bubbles*, RL Thomas & JP Gostelow

*Flow measurements in microchannels using a MicroPIV system*, Wing T Lai & Rajan K Menon

*Experimental investigation of impinging axisymmetric turbulent fountains*, Paul Cooper & Gary R Hunt

*Axisymmetric jet control using passive grids*, R Lehman, S Rajagopalan, P Burattini & RA Antonia

*Flows within a cylindrical cell culture bioreactor with a free-surface and a rotating base*, J Dusting, J Sheridan & K Hourigan

*Effect of initial conditions on the far field of a round jet,* P Burattini, RA Antonia & S Rajagopalan

*Numerical analysis of a hydrocyclone in a recirculating aqua-culture system*, Eunpil Kim, Gul Chang & Jung In Yoon

*Turbulence models and boundary conditions for bluff body flow*, ME Young & A Ooi

*Non-Newtonian flow behaviour in particulate suspensions under magnetic fields*, H See

*Modelling of solid wall boundaries in computational acoustics*, RCZ Cohen, A Ooi & R Widjaja

*Unsteady RANS simulation of high Reynolds number trailing edge flow*, D Ang, L Chen & J Tu

*Air entrainment by free falling streams of particles*, Zequin Liu, Paul Cooper & Peter W Wypych

*Experimental investigation of flow-induced vibration in a parallel plate reactor fuel assembly*, Mark Ho, Guang Hong & ANF Mack

*Flow past a cylinder with free hemispherical ends: comments on grid independence and wake symmetry characteristics*, GJ Sheard, Mark C Thompson & K Hourigan

*Three-dimensional instabilities and transition in pulsatile stenotic flows*, HM Blackburn & SJ Sherwin

*Three-dimensional quasi-periodic instabilities of two-dimensional time-periodic flows*, HM Blackburn, JM Lopez & F Marques

*Fire behaviour studies of combustible wall linings applying Fire Dynamics Simulator*, AZ Moghaddam, K Moinudding, IR Thomas, ID Bennetts & M Culton

*Free surface monitoring using image processing*, PDM Brady, M Boutounet & S Beecham

*A numerical study of enhanced micro-channel cooling using a synthetic jet actuator*, V Timchenko, J Reizes & E Leonardi

*Identification of aerodynamic sounds source in the wake of a rotating circular cylinder*, A Iida, A Mizuno & RJ Brown

*Dynamic analysis of airflow features in a 3D real-anatomical geometry of the human nasal cavity*, H Tang, JY Tu, HF Li, B Au-Hijleh, CC Xue & CG Li

*Nonlinear dynamics of thermoacoustic instability using a kinematic, premixed flame model*, N Karimi, MJ Brear & SH Jin

*Mean flow characteristics of a micro-injector induced swirling jet*, IK Toh, P O’Neill, D Honnery & J Soria

*Simulation of vehicle A-pillar aerodynamics of various yaw angles*, NM Murad, J Naser, F Alam & S Watkins

*Active flow control over a NACA 0015 airfoil using a ZNMF jet*, A Tuck & J Soria

*Velocity distribution in an asymmetric diffuser with perforated plates*, MN Noui-Mehidi, J Wu & I Sutalo

*Gap effect on Taylor vortex size between rotating conical cylinders*, MN Noui-Mehidi, N Ohmura & K Kataoka

*A blob insertion technique for the vortex blob method*, C Macaskill

*Design and calibration of a wind tunnel with a two-dimensional contraction*, JE Sargison, GJ Walker & R Rossi

*Radiant heating of a bio-oil droplet: a quest for a suitable model and scaling of pre-explosion conditions*, JY Hristov, V Stamatov, DR Honnery & J Soria

*Thin-film flow in open helically-wound channels*, YM Stokes, SK Wilson & BR Duffy

*Effect of pulsation rate on spray-spreading rate in an isothermal environment*, L Stamatova, Honnery, V Stamatov, J Ghojel & J Soria

*Flow structure around a finite-length square prism*, HF Wang, Y Zhou, CK Chan, WO Wang & KS Lam

*Active control of vortex-airfoil interactions*, MM Zhang, Y Zhou & L Cheng

*A two-dimensional analysis of the effect of a rotating cylinder on an inverted aerofoil in ground effect*, S Diasinos, TJ Barber, E Leonardi & SD Hall

*PIV measurements in a square backward facing step*, M Piirto, A Karvinen, H Ahlstedt, P Saarenrinne & R Karvinen

*Stabilisation of a trapped vortex for enhancing aerodynamic flows*, A Bouferrouk & SI Chernyshenko

*Development of a fast response pressure probe for use in a cavitation tunnel*, PA Brandner, DB Clarke & GJ Walker

*Linear stability of natural convection on an evenly heated vertical wall*, GD McBain & SW Armfield

*An investigation of flow over a two-dimensional spherical cavity*, CC Beves, TJ Barber & E Leonardi

*Mixing characteristics of a notched-rectangular jet and a circular jet*, J Mi, P Kalt & GJ Nathan

*Preliminary investigations of vortex rings and jets in cross flow*, ER Hassan, RM Kelso, GM Schneider & TCW Lau

*Observations on high Reynolds number turbulent boundary layer measurements*, S Hafez, MS Chong, I Marusic & MB Jones

*The effect of density ratio on the mean spread rate of a low pressure drop oscillating jet nozzle*, G England, PAM Kalt, GJ Nathan & RM Kelso

*Flow visualization of a pitching and heaving hydrofoil*, Timothy CW Lau, Richard M Kelso & Eyad R Hassan

*A numerical study of a circular cylinder in the wake of an airfoil*, CY Zhou, CW Sun, Y Zhou & L Huang

*The influence of mass loading on particle distribution in the near field of a co-annular jet*, CH Birzer, PAM Kalt, GJ Nathan & NL Smith

*Flow visualization of forced flow control over inclined airfoils*, KL Powell, K Parker & J Soria

*On collective oscillations of bubble chain and arrays*, EMB Payne, R Manasseh & A Ooi

*Role of plant buildings in a power station acting as barrier to the wind affecting the natural draft cooling tower performance*, Ghulam Amur, Brian Milton, John Reizes, Jafar Madadnia, Simon Beecham, Peter Brady & Homa Koosha

*Towards a universal criterion for predicting vortex breakdown in swirling jets*, AJ Fitzgerald, K Hourigan & MC Thompson

*A numerical study of heat transfer from a cylinder in cross flow*, K Szczepanik, A Ooi, L Aye & Gary Rosengarten

*Impact of outlet boundary conditions on the flow properties within a cyclone*, St Schmidt, HM Blackburn & M Rudman

*An experimental study of the jet of a boat propeller*, A Loberto, RJ Brown, MK Kwek, A Iida, H Chanson & S Komori

*Airflow distribution through the radiator of a typical Australian passenger car*, H Jama, S Watkins, C Dixon & E Ng

*Spreading radius of fountains after impinging on a free surface*, CJ Lemckert

*Preliminary estimation methods for sizing detention basins in Queensland*, CJ Scraggs & CJ Lemckert

*Design and experimental issues with heat exchangers for microfluidics*, G Rosengarten, J Cooper-White & Guy Metcalfe

*Investigation of the mean flow pattern in zero-net-mass-flux elliptical-jets in cross-flow using planar-laser-induced fluorescence*, J Arnaud, S Tomar & J Soria

*Flow past an impulsively started oscillating elliptical cylinder*, TL Chng, TT Lim, J Soria, KB Lua & KS Yeo

*Wake structures of a heaving airfoil*, GY Oo, KB Lua, KS Yeo & TT Lim

*Structure of a zero-net-mass-flux round jet in crossflow*, S Tomar, J Arnaud & J Soria

*Dynamic testing of aircraft models in a water tunnel*, Lincoln P Erm

*Stereoscopic PIV measurements behind a 3D flapping foil producing thurst*, K Parker, KD von Ellenrieder & J Soria

*Analysis of local flame propagation in gas explosions with multiple obstacles*, DJ Park, AR Green & YC Chen

*Stereoscopic PIV measurements of the flow past a circular cylinder at Reynolds number 15000*, K Parker, KD von Ellenrieder & J Soria

*Further study of spray combustion in a simple turbulent jet flow*, Yung-Cheng Chen, Sten H Strner & Assaad R Masri

*Laminar flow in a periodic serpentine channel*, NR Rosaguti, DF Fletcher & BS Haynes

*Simulating the deformation of Newtonian and non-Newtonian drops through a micro-fluidic contraction*, DJE Harvie, MR Davidson & JJ Cooper-White

*DNS of turbulent heat transfer in a channel flow with a stream-wisely carrying thermal boundary condition*, Y Seki & H Kawamura

*Numerical simulation of heat and mass transfer in a natural draft wet cooling tower*, N Williamson, M Behnia & S Armfield

*Three-dimensional transition in the buoyancy boundary layer on an evenly heated vertical wall*, SW Armfield & GD McBain

*Transient behaviour of the fuel spray from an air-assisted, direct fuel injector*, SH Jin, MJ Brear, G Zakis, HC Watson & C Zavier

*How to describe turbulent energy distributions without the Fourier transform*, PA Davidson, BR Pearson & P Staplehurst

*Oscillations of the horizontal intrusion in a side-heated cavity*, F Xu, JC Patterson & C Lei

*Numerical studies of contoured shock tube for murine powered vaccine delivery system*, Y Liu, NK Truong & MAF Kendall

*Application of transport PDF approach for modelling MILD combustion*, FC Christo & BB Dally

*The transient behaviour of a differentially heated cavity with isoflux boundaries*, S Jiracheewanun, SW Armfield, M Behnia & GD McBain

*Flow response to periodic heating and cooling in a reservoir*, Chengwang Lei, John C Patterson & Yong Sha

*Numerical method for the simulation of front evolving fibre suspension flow using level set method*, H-S Dou, N Phan-Thien, BC Khoo, KS Yeo & R Zheng

*Instability of fluid material systems*, H-S Dou & N Phan-Thien

*Simulation of turbulence pressure fluctuations on cylinders in axial flow*, MJ Woods & MMK Bull

*An experimental study of sudden release of bentonite suspensions down an inclined chute*, H Chanson, S Jarny, L Tocquer & P Coussot

*Comparing RANS models for flow and thermal analysis of pin fin heat sinks*, B Moshfegh & Robert Nyiredy

*A study of the global differences between axisymmetric turbulent free flames from a smooth contraction and a pipe with well defined boundary conditions*, AD Langman, GJ Nathan & PJ Ashman

*Control of liquid sloshing in flexible containers: Part 1. Added mass*, Birham U Gzel, Marija Gradinscak, S Eren Semercigil & zden F Turan

*Control of liquid sloshing in flexible containers: Part 2. Top straps*, Marija Gradinscak, Birhan U Gzel, S Eren Semercigil & zden F Turan

*Towards a valveless electro-rheological valve*, Tam D Truong, S. Eren Semercigil & zden F Turan

A*dverse pressure gradient turbulent boundary layer flows: Part 1. Flow development*, CM Anderson, F Turan, B Brzek & L Castillo

*Adverse pressure gradient turbulent boundary layer flows: Part 2. Scaling of Reynolds stress*, B Brzek, L Castillo, AM Anderson & F Turan