fluid_mechanics

Index I-9
Pressure force, 40
Pressure gradient, 41
adverse, 300, 490
effect on boundary layer, 488
favorable, 490
Pressure head, 43, 103, 124
Pressure at a jet exit, 110
Pressure prism, 63
Pressure recovery coefficient, 421
Pressure tap, 109
Pressure transducer, 55
strain gage, 56
Primary quantities, 4
Product of inertia, 59
of common areas, 60
Profile, velocity, see Velocity profile
Propeller pump, 671
Properties:
of air, 717, 718
of common gases, 14, 714
of common liquids, 12, 714
of U.S. Standard Atmosphere, 47, 719, 720
of water, 716
Prototype, 354
Pump, 645
affinity laws, 669
axial-flow, 671
blades, 653
centrifugal, 653
dimensionless parameters, 666
double-stage, 654
efficiency, 239
fan, 673
geometrically similar, 666
head, 656, 662
mixed-flow, 671
multistage, 654
parallel, 665
performance curve, 658
propeller, 671
scaling laws, 667, 668
selection, 662
series, 665
similarity laws, 666
single-stage, 654
specific speed, 669
stage, 671
system equation, 662
Quasi-steady flow, 130
Radial-flow machine, 647
Rankine oval, 298
Rapidly varied flow, 536, 555, video V10.9,
video V10.10
Rate of angular deformation, 269, video V6.3
Rate of heat transfer, 223
Rate of shearing strain, 15, 269
Rayleigh, Lord, 29
Rayleigh line flow, 609, 620
basic equations for, 620
graph for calculation of, 723
normal shock in, 624
T–s diagram, 621, 624
Rayleigh Pitot tube formula, 632
Reaction turbine, 673, 682
Rectangular weir, 122, 562
Reentrant entrance, 417
Reference dimensions, 335, 342
Relative roughness, 411, 487
Relative velocity, 176, 196, 218, 647
Repeating variable, 336
Restricted homogeneous equation, 5
Reversible process, 131
Reynolds, O., 29, 348, 385
Reynolds number, 18, 347, 348, 372
critical, see Transition to turbulence
properties of flows with low, 467, 469,
video V1.2, video V7.3, video V7.7, video V9.10
properties of flows with large, 467, 469,
video V1.1, video V7.3
Reynolds pipe flow experiment, 385, video V8.2
Reynolds stress, 404
Reynolds transport theorem, 166, 168, 170, 173
Rheology, 3
Right-hand rule, 218
Rigid body motion of fluid, 72
Ripple tank, 634
Rising head curve, 659
Rotameter, 445, video V8.13
Rotation, 130, 264, 267
vector, 268
Rotor, turbomachine, 217, 221, 647, 687
Roughness:
effect on models, 360, 367, video V7.13
on flat plates, 487
in open channels, 549
in pipes, 410
relative, 411
typical values of, 412
Roughness coefficient, Manning, 549
Round-off error, 703
Scale:
length, 358
model, 358
Scaling laws for pumps, 667
Secondary flow:
in a pipe, 421
Secondary quantities, 4
Second law of thermodynamics, 239
Second moment of area, 59
of common areas, 60
Semi-infinitesimal control volume, 239
Separation: video V6.8, video V9.6, video V9.11,
video V9.13
in a boundary layer, 282, 468, 490
in a pipe, 417, 421
with a shock wave, 631
Separation location, 468
on an airfoil, 492
on a cylinder, 468, 490
definition, 490
Shaft:
head, 233
power, 219, 652
torque, 219, 652
work, 219, 652