International Conference on the Hydraulic Modelling of Civil Engineering Structures Coventry, England: September 22-24, 1982

LIST OF PAPERS PBESENTED

Paper Page

GENERAL ASPECTS OF MODELLING

Al Economic use of models. J.D. Hardwick, Imperial College of Science and Technology, U.K. 1 A2 Numerical modelling of the hydrodynamics of complex civil engineering 13 structures. D. J. Ball, R. B.S. Penoyre and B. A. O'Connor, Simon Engineering Laboratories, University of Manchester, U.K. A3 Consideration of critical flow velocities in hydraulic modelling. 33 F. Vasco Costa, CONSULMAR, Portugal. A4 Similarity criteria for some sediment excluding devices. 43 R.J. Garde and P. K. Pande, University of Roorkee, India.

SPILLWAYS & ENERGY DISSIPATION

Bl A novel angled-entry stilling basin. 53 P. Ackers, Binnie & Partners, U.K., and R.W. O'Garra, University of Salford, U. K. B2 A 70 m high morning glory spillway and its broken-axis stilling basin 61 system. O. Haszpra, E. Kalina and G. Papp, Budapest Technical University, Hungary, B3 Hydraulic modelling of materials for protecting earth weirs. 75 K.V.H. Smith, University of Southampton, U.K. B4 Behaviour of Pandoh dam spillway. A field-cum-model study. 539 G.S. Dhillon, Anandpur Sahib Hydel, India, andV.S. Sakhuja and T. C. Paul, Irrigation and Power Research Institute, Punjab, India.

PRESSURE FLUCTUATIONS

Cl Pressure fluctuations on the floor of free and forced hydraulic jumps. 87 M.E. Akbari, M. K. Mittal and P. K. Pande, University of Roorkee, India. C2 Unsteady dynamic force due to pressure fluctuations on the bottom of an 9? energy dissipator - an example. A. Spoljaric, C. Maksiniovic, G. Hajdin, University of Belgrade, Yugoslavia. C3 Physical modelling of cavitation tendency for macro-turbulence of 1°9 hydraulic jump. R.A. Lopardo, J. C. De Lio, andG.F. Vernet, Laboratorio de Hidraulica Aplicada, INCYTH, Argentina. C4 Dynamic force measurement on stilling basin floor and sidewalls. 123 S.R.M. Gardiner and D. Hay, Western Canada Hydraulic Laboratories Ltd., Canada.

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C5 Spillway models. J.P. Tullis, Utah State University, U.S.A., andW.R. Rahmeyer, 131 Colorado State University, U.S.A.

INTAKES

Dl Model tests for a sea water intake structure. 145 W. Bechteler and H. J. Vollmers, Hochschule der Bundeswehr Munchen, Federal Republic of Germany. D2 Sediment removal at the Bondhus Glacier intake. 159 S. Soknes and K. Tvinnerelm, The Norwegian Hydrodynamic Laboratories, Norway. D3 The problems of sedimentation modelling with particular reference to 167 river intake models. P. Avery, BHRA Fluid Engineering, U. K. D4 A novel loose boundary model for investigating sedimentation problems at 181 an intake. W. R. White, Hydraulics Research Station Ltd., U. K.

Affi ENTRAINMENT

El A scaling relationship for a two-dimensional vertical dropshaft. 195 D.A. Ervine and A. A. Ahmed, University of Glasgow, U.K. E2 Air-water flow on spillways and In plugged bottom outlets. 215 J. Bruschln, Federal Institute of Technology, Lausanne, Switzerland. E3 Size distribution of air bubbles entrained In accelerated and turbulent 223 water flow. A.M. A. Salih, College of Engineering, King Saud University, Saudi Arabia. E4 Hydraulic modelling of air slots in open chute spillways. 239 D. Vischer, P. Volkart and A. Sigenthaler, Federal Institute of Technology, Zurich, Switzerland. E5 Air demand distortion in hydraulic models: experimental evidence of 253 bi-modal structure in air entraining flows and a scaling analysis of detrainment with special applications to siphon priming. N.H. Thomas, Cambridge University, U.K. E6 Model prototype conformity in aerated spillway flow. 273 N. L. de S. Pinto and S.H. Neidert, CEHPAR-University of Parana- COPEL, Brazil. E7 Some experience on the relationship between a model and prototype for flow 285 aeration in spillways, K. Zagustin, Central University of Venezuela, T. Mantellini and . N. Castillejo, EDELCA, Venezuela.

OUTFALLS

Fl The behaviour of a cooling water outfall structure in a tidal cross flow. 297 K.J. Garrington and B.T. Goldring, C.E.G.B., U.K. Paper Page

F2 Buoyancy effects on mixing characteristics of staged diffuser. 325 E.E.M. Elsayed, Ontario Hydro, Canada. F3 Modelling interference between a subsea pipeline and seabed. 339 M.M. Zdravkovich and A. J. Kirkham, University of Salford, U.K. F4 Hydraulic modelling of saline intrusion into sea outfalls. 349

J.A. Charlton, University of Dundee, U.K.

SEDIMENTATION & SCOUR

Gl Scale-model investigation of storm-water overflows. 357 K.H.M. Ali, R. Burrows and S.Y. Lim, University of Liverpool, U.K. G2 Influence of tests duration on the evaluation of ultimate scour around 381 circular piers. S. Franzetti, E. LarcanandP. Mignosa, Istituto di Idraulica del Politecnico di Milano, Italy. G3 An artificial ceiling for free surface flow reproduction in scale modelling 397 of local scour. P. A. Kolkman, Delft Hydraulics Laboratory, Netherlands. G4 Modelling of local scour with particular reference to offshore structures. 411 A. Clark, P. Novak and K. Russell, University of Newcastle Upon Tyne, U.K.

COASTS & WAVES

HI Waves generated by landslides in a reservoir. 425 G. Echavez, National University of Mexico, Mexico. H2 Low-crest rubble-mound breakwaters. 435 N.W.H. Allsop, Hydraulics Research Station Ltd., U.K., and S.I.A. Ojo, University of Lagos, Nigeria.- H3 Overtopping of sea defences. 469

M.W. Owen, Hydraulics Research Station Ltd., U.K.

SPECIAL PROBLEMS & METHODS

Jl A mathematical model of a floating boom. 481 D. C. KeillerandP. Ackers, Binnie & Partners, U.K. J2 Model testing of underwater piercing of a tunnel. 493 J.A. Sandvik, The Norwegian Hydrodynamic Laboratories, Norway. J3 Modelling and design of high velocity storm channels. 503 R.A. Elder and S.T. Hsu, Bechtel Civil & Minerals, Inc., U.S.A., andS.R.M. Gardiner, Western Canada Hydraulic Laboratories Ltd., Canada. J4 Deaeration of tailing slurry during disposal. 513 B. Mathiesen, Ramboll and Hannemann, Denmark, E. Tesaker, Norwegian Hydrodynamic Laboratories, Norway, and K. Pedersen, Greenex A/S, Denmark.

vi Paper Page The following paper is for publication only:-

XI Hydraulic modelling of vertical dropshaft structures. 525 W. Q. Dahlin and J. M. Wetzel, St. Anthony Falls Hydraulic Laboratory, University of Minnesota, U.S.A., and K.K. Nesbeitt, Harza Engineering Company, U.S.A.

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