
520 INDEX
momentum sensing flowmeters,
95-181
MTI,
see
undulating membrane (MTI)
multiphase oil flowmeters, 365—7
multirotor PD, 185
nozzles, 130-9
coefficient of discharge, 133—4
critical flow venturi,
see
critical flow
venturi nozzle
ISA 1932, 132-4
long radius, 132—5
sonic,
see
critical flow venturi nozzle
venturi, 131, 133-4
nuclear magnetic resonance (NMR), 465-6
nutating disc, 184
orifice plate, 95-129
carrier assembly, 102, 119-21
chordal, 106
coefficient of discharge, 97—8
conical entrance, 106
D and D/2 tappings, 96, 102
Dall,
see
Dall tubes
deflection at high pressure, 106—9
eccentric, 106
edge sharpness, 100—1
expansibility factor, 98-9
flange tappings, 102
flatness, 100
impulse lines, 121—2
integral,
see
integral orifice
metering run assembly, 119
plate, 100-2, 118
plate carrier assembly, 119
pressure loss, 99-100
pressure tappings, 96, 102, 119-22
quadrant, 106
sizing, 119
slotted, 168
Stolz equation, 97
vena contracta, 95—6
Orlando and Jennings, 391-2
oscillating circular piston, 184-5
oscillating membrane (MTI),
see
undulating
membrane
oscillating vane, 167-8
oval-gear meter, 185-7
paddle wheel, 433
pattern recognition, 467
pelton wheel, 244
PD,
see
positive displacement (PD)
piston,
see
reciprocating piston
positive displacement (PD), 54, 182-214
calibration systems, 192-4, 211-14
pressure effects, 197-8, 210
slip,
196-7
temperature effects, 197-8, 209
Potter twin rotor turbine, 391
quadrant orifice,
see
orifice, quadrant
Quantum Dynamics meter, 244
reciprocating piston PD, 190
Roots,
see
rotary positive displacement
gas meter
Rotameter,
see
variable area meter
rotary piston,
see
oscillating circular piston
meter
rotary positive displacement gas meter,
202-3
rotating diaphragm, 160—1
sliding vane PD, 187-9, 207-14
slotted orifice, 153, 168
sonic nozzle,
see
critical flow venturi
nozzle
spring loaded diaphragm meter, 159-62
static charge,
see
charge sensing
surface-acoustic-wave, 350, 466
swirl, 272-3
target, 153, 162-3
thermal mass flow measurement, 357,
371-90
capillary thermal mass flowmeter (CTMF
for
gas),
371-6
capillary thermal mass flowmeter (CTMF
for liquid), 376-8
in-line thermal mass flowmeter (ITMF),
381-3
insertion thermal mass flowmeter (ITMF),
379-80
toroidal throat venturi nozzles,
see
nozzles,
critical flow venturi
Torbar,
see
averaging pitot
True Mass Flow Meter, 398-400,
see also
Li
and Lee
turbine, 215-52
blades, 215-22
driving torque, 220
trailing edge, 221
equations, 246-52
for gases, 234—41
characteristics, 236—7
for liquids, 221-34
characteristic, 219, 221, 228
hanger, 223
inlet velocity profile, 220
lift coefficient, 221-2
probe,
see
Main Index, probes, turbine
rotor, 221-2
twin-venturi, 358-9