Suspended load 201
meter, sampler 336
Swedish circle solution 85–6
Tail race 524
Talweg 328
Thijsse egg 345, 347
Threshold of movement 325
Tidal barrage 277–9
Training (of river) 342–50
Transformer 522–3
Transmission line 522
Trap efficiency (of reservoirs)
201–2, 202
Tsunamis 628
Tunnel (spillway) 67, 221–2, 225,
225
Turbine
bulb 506
cavitation 510–12, 511
draft tubes 516–17, 516
Francis 506
governor 521–2, 521
impulse 505, 505
Kaplan 506
Pelton 505–6, 505
performance rating 507–8, 508
radial flow 506
reaction (pressure) 505–8, 508
runaway speed 508, 510
runner 512
scroll casing 512–15, 513–15
setting 510–11
specific speed 506–7, 509 , 510
langential flow 506
Undistorted model 577, 580
Uplift
area reduction coefficient
125–6
load 36, 37, 123, 124–6, 125
Valve
cone dispersion 276, 276
disc (butterfly) 275
hollow jet 277, 277
Howell Bunger, see Cone
dispersion (valve)
needle 276–7
pressure producing 275
sphere (rotary) 275
tube 276
Vane (river training) 347–8, 350
Velocity
fall (sediment) 201, 325
measurement 333
shear 322–3
Vortex
formation 223, 225, 560
induced oscillation 612–17
suppression 223, 224 , 225, 560,
617
Waterways
classification 463–4
constricted 471–3
European 465–6, 465
UK 436, 464–5
USA 466, 467
utilisation of 466–9, 469
width 472–3, 473
Wave
Airy 577, 581, 588
breaking 588–90, 589 , 609 ,
636–40
celerity 579–80, 580
cnoidal 577, 577 , 585
crest 576, 577
deep water 580, 582, 584, 588
diffraction 593–4, 593
energy 582–3
force 602–10, 637–41
frequency 579
group velocity 584
height (significant) 71, 198–9,
199 , 595–6, 599–602
interference 213–15, 214
linear theory 577, 584–5
number 579
overtopping 16, 18, 62, 63,
645–7
period 576, 581, 595
prediction 594–9
reflection 591
roll (translation) 215
run-up 197, 200, 641–5
shallow water 580, 582, 584,
588
shock number 215
sinusoidal 576 , 579
solitary 577, 577
spectrum
JONSWAP 199, 598–9
Pierson–Moskowitz 598–9
standing 591, 591 , 637–41
statistics 599–602
steepness 577, 585, 588
Stokes 577, 577 , 585
translation, translatory 215
Weber number 203, 647
Weibull distribution 601
Weir
broadcrested 339
coefficient 339
compound 340
foundation 369–75
sharpcrested 339 , 340
see alsoBarrage
Wind
set-up 197–8
speed 198–9, 199
Young’s modulus (molecules of
elasticity) 684–5
Zoning of dams
concrete 168, 168 , 176, 179
embankment 12, 13 , 14, 66–7,
77
700 SUBJECT INDEX