ISSN 0022-1120 25 November 2017

VOLUME 831

VOLUME

831

25 Nov.2017

83125 November 2017

1 On the flow and coherent structures generatedby a circular array of rigid emerged cylindersplaced in an open channel with flat anddeformed bedW.-Y. Chang, G. Constantinescu &W. F. Tsai

41 Direct numerical simulation of turbulence overanisotropic porous mediaY. Kuwata & K. Suga

72 Exploring the dynamics of ‘2P’ wakes withreflective symmetry using point vorticesS. Basu & M. A. Stremler

101 Added mass: a complex facet of tidalconversion at finite depthC. Brouzet, E. V. Ermanyuk, M. Moulin,G. Pillet & T. Dauxois

128 Complete Hamiltonian formalism for inertialwaves in rotating fluidsA. A. Gelash, V. S. L’vov & V. E. Zakharov

151 A neural network approach for the blinddeconvolution of turbulent flowsR. Maulik & O. San

S 182 Prograde, retrograde, and oscillatory modes inrotating Rayleigh–Bénard convectionS. Horn & P. J. Schmid

212 Non-local continuum modelling of steady,dense granular heap flowsD. Liu & D. L. Henann

228 Boundary element methods for particles andmicroswimmers in a linear viscoelastic fluidK. Ishimoto & E. A. Gaffney

252 The instability of a moving interface in anarrow tapering channel of finite lengthJ. C. Grenfell-Shaw & A. W. Woods

271 Supersonic flow fields resulting fromaxisymmetric internal surface curvatureA. A. Filippi & B. W. Skews

S 289 Consistent equations for open-channelflows in the smooth turbulent regime withshearing effectsG. L. Richard, A. Rambaud & J. P. Vila

330 Velocity profiles, flow structures and scalingsin a wide-gap turbulent Taylor–Couette flowA. Froitzheim, S. Merbold & C. Egbers

S 358 Spectral energy cascade in thermoacousticshock wavesP. Gupta, G. Lodato & C. Scalo

394 On the propagation of gravity currentsover and through a submerged array ofcircular cylindersJ. Zhou, C. Cenedese, T. Williams, M. Ball,S. K. Venayagamoorthy & R. I. Nokes

418 Transition to turbulence in pulsating pipe flowD. Xu, S. Warnecke, B. Song, X. Ma &B. Hof

433 On the macroscopic modelling of diluteemulsions under flowP. M. Mwasame, N. J. Wagner &A. N. Beris

474 Gas depletion through single gas bubblediffusive growth and its effect onsubsequent bubblesÁ. Moreno Soto, A. Prosperetti, D. Lohse &D. van der Meer

491 Turbulent horizontal convection underspatially periodic forcing: a regime governedby interior inertiaM. G. Rosevear, B. Gayen & R. W. Griffiths

524 Instability wave–streak interactions in asupersonic boundary layerP. Paredes, M. M. Choudhari & F. Li

Contents continued on inside back cover.

S U B S C R I P T I O N SThe Journal of Fluid Mechanics (ISSN 0022-1120) is published semimonthly in 24 volumeseach year by Cambridge University Press, University Printing House, Shaftesbury Road,Cambridge CB2 8BS, UK/Cambridge University Press, 1 Liberty Plaza, Floor 20, NewYork, NY 10006, USA. The subscription price (excluding VAT but including postage)for volumes 810–833, 2017, is £4204 or $7760 (online and print) and £3774 or $6611(online only) for institutions; £1166 or $2161 (online and print) and £1174 or $1928 (onlineonly) for individuals. The print-only price available to institutional subscribers is £4055(US $7137 in USA, Canada and Mexico). Single volumes cost £194 (US $342 in the USA,Canada and Mexico) plus postage. Orders, which must be accompanied by payment, shouldbe sent to any bookseller or subscription agent, or direct to the publisher: CambridgeUniversity Press, University Printing House, Shaftesbury Road, Cambridge CB2 8BS.Subscriptions in the USA, Canada and Mexico should be sent to Cambridge UniversityPress, Journals Fulfillment Department, 1 Liberty Plaza, Floor 20, New York, NY 10006,USA. EU subscribers (outside the UK) who are not registered for VAT should add VATat their country’s rate. VAT registered subscribers should provide their VAT registrationnumber. Japanese prices for institutions are available from Kinokuniya Company Ltd, POBox 55, Chitose, Tokyo 156, Japan. Prices include delivery by air. Copies of the Journal forsubscribers in the USA, Canada and Mexico are sent by air to New York. Periodicals postageis paid at New York, NY, and at additional mailing offices. POSTMASTER: send addresschanges in USA, Canada and Mexico to Journal of Fluid Mechanics, Cambridge UniversityPress, 1 Liberty Plaza, Floor 20, New York, NY 10006, USA. Claims for missing issues canonly be considered if made immediately upon receipt of the subsequent issue. Copies of backnumbers are available from Cambridge University Press.

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The picture on the cover is based on figure 1(d) of ‘Sedimentationof inertia-less prolate spheroids in homogenous isotropic turbulencewith application to non-motile phytoplankton’, by M. Niazi Ardekani,G. Sardina, L. Brandt, L. Karp-Boss, R. N. Bearon & E. A. Variano.Photo credit: Ashley Young.

c© Cambridge University Press 2017

554 Transient torque in stirred tanksK. Steiros

579 Surfing the edge: using feedback control tofind nonlinear solutionsA. P. Willis, Y. Duguet, O. Omel’chenko &M. Wolfrum

592 Clean versus contaminated bubbles in asolid-body rotating flowM. Rastello, J.-L. Marié & M. Lance

618 Isolating strain and curvature effects inpremixed flame/vortex interactionsF. Thiesset, F. Halter, C. Bariki, C. Lapeyre,C. Chauveau, I. Gökalp, L. Selle &T. Poinsot

655 Sedimentation of inertia-less prolate spheroidsin homogenous isotropic turbulence withapplication to non-motile phytoplanktonM. Niazi Ardekani, G. Sardina,L. Brandt, L. Karp-Boss, R. N. Bearon &E. A. Variano

675 A numerical investigation of the asymmetricwake mode of a squareback Ahmed body –effect of a base cavityJ.-M. Lucas, O. Cadot, V. Herbert,S. Parpais & J. Délery

698 Detailed finer features in spectra ofinterfacial waves for characterization of abubble-laden dropU. R. Sumanasekara & S. Bhattacharya

719 Population balance equation for turbulentpolydispersed inertial droplets and particlesF. Salehi, M. J. Cleary & A. R. Masri

743 Tomographic PIV investigation on 3D wakestructures for flow over a wall-mountedshort cylinderH.-Y. Zhu, C.-Y. Wang, H.-P. Wang &J.-J. Wang

779 Evaluation of turbulent mixing transition in ashock-driven variable-density flowM. Mohaghar, J. Carter, B. Musci,D. Reilly, J. McFarland & D. Ranjan

JFM Rapids (online only)

R1 Sloshing in a Hele-Shaw cell: experimentsand theoryF. Viola, F. Gallaire & B. Dollet

R2 How we compute N matters to estimates ofmixing in stratified flowsR. S. Arthur, S. K. Venayagamoorthy,J. R. Koseff & O. B. Fringer

R3 An unambiguous definition of the Froudenumber for lee waves in the deep oceanF. T. Mayer & O. B. Fringer

S indicates supplementary data or movies available online.