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ČSN EN ISO 772 - rectangular broad-crested weir, broad-crested weir
ČSN EN ISO 772 - Hydrometrická měření - Terminologie
| Download standard: | ČSN EN ISO 772 (Show details) Customers who have agreed on their computer from ÚNMZ service CSN on-line-for electronic access to the full texts of standards in pdf (version for companies or individuals) may open directly quoted CSN here. |
| Published: | 2012-02-01 |
| Source: | https://www.iso.org/obp/ui/#iso:std:iso:772:ed-5:v1:en |
| Classification symbol: | 259300 |
| Category: | Měření průtoku kapalin v otevřených korytech |
| ICS: |
|
| Status: | Invalid |
- 1.1 liquid flow
- 1.2 flow regime
- 1.3 steady flow
- 1.4 unsteady flow
- 1.5 uniform flow
- 1.6 critical flow
- 1.7 subcritical flow
- 1.8 supercritical flow
- 1.9 transverse flow lateral flow
- 1.10 stratification of flow
- 1.11 critical depth
- 1.12 critical velocity
- 1.13 channel
- 1.14 open channel
- 1.15 canal
- 1.16 stable channel
- 1.17 unstable channel
- 1.18 tidal channel
- 1.19 tidal waterway
- 1.20 estuary
- 1.21 stream
- 1.22 current
- 1.23 river
- 1.24 alluvial river
- 1.25 incised river
- 1.26 braided river
- 1.27 reach
- 1.28 meandering channel
- 1.29 dune
- 1.30 antidunes
- 1.31 ripple
- 1.32 thalweg
- 1.33 transition, crossover
- 1.34 node, nodal point, inflection point
- 1.35 discharge
- 1.36 unit discharge, discharge per unit width
- 1.37 specific discharge
- 1.38 specific discharge (1.38)
- 1.39 stream gauging
- 1.40 discharge measurement
- 1.41 gauge
- 1.42 velocity
- 1.43 speed
- 1.44 left bank
- 1.45 right bank
- 1.46 invert
- 1.47 bed slope bottom slope
- 1.48 bed profile
- 1.49 side slope
- 1.50 surface slope
- 1.51 surface drawdown
- 1.52 fall, canal fall
- 1.53 top width
- 1.54 wetted perimeter
- 1.55 cross section
- 1.56 gauging section, measuring section
- 1.57 measuring reach
- 1.58 converging reach
- 1.59 expanding reach
- 1.60 flood mark, trash line, debris line
- 1.61 normal velocity distribution
- 1.62 surface velocity
- 1.63 mean velocity depth
- 1.64 mean velocity
- 1.65 mean velocity (1.65)
- 1.66 one-point method
- 1.67 two-point method
- 1.68 three-point method
- 1.69 velocity of approach, approach velocity
- 1.70 velocity head
- 1.71 gauged head
- 1.72 piezometric head
- 1.73 total head, energy head
- 1.74 total head line, energy head line
- 1.75 total head level
- 1.76 energy gradient
- 1.77 energy loss, head loss
- 1.78 specific energy
- 1.79 stage, gauge height, liquid level
- 1.80 gauge height of zero flow
- 1.81 gauge height of zero flow line
- 1.82 stage-discharge relation, rating curve
- 1.83 stage hydrograph
- 1.84 discharge hydrograph
- 1.85 shift adjustment
- 1.86 cumulative volume curve, mass discharge curve
- 1.87 gauging station
- 1.88 single-gauge station
- 1.89 twin-gauge station, slope station
- 1.90 control
- 1.91 rating
- 1.92 calibration
- 1.93 unit-fall rating
- 1.94 discontinuous rating
- 1.95 shift diagram
- 1.96 afflux
- 1.97 backwater
- 1.98 backwater curve
- 1.99 drawdown curve
- 1.100 depth
- 1.101 normal depth
- 1.102 length
- 1.103 width, breadth
- 1.104 frazil ice
- 1.105 anchor ice
- 1.106 rime ice
- 1.107 surface ice, ice cover, ice sheet
- 1.108 slush ice
- 1.109 peak stage
- 1.110 friction, drag
- 1.111 conveyance
- 1.112 hydraulic jump
- 1.113 hydraulic mean depth, mean depth
- 1.114 hydraulic radius
- 1.115 stage gauge
- 1.116 gauge datum
- 1.117 benchmark
- 1.118 gauge well, stilling well
- 1.119 stilling tube
- 1.120 float well
- 1.121 rugosity coefficient, roughness coefficient
- 1.122 Froude number
- 1.123 Reynolds number
- 1.124 Weber number
- 1.125 telemetry
- 1.126 remote sensing
- 1.127 remote telemetry station
- 1.128 remote telemetry unit
- 1.129 encoding
- 1.130 parity check
- 1.131 code
- 1.132 system
- 1.133 data, raw data
- 1.134 energy
- 1.135 power
- 1.136 work
- 1.137 hardware
- 1.138 software
- 1.139 firmware
- 1.140 real time
- 1.141 free surface flow
- 1.142 hydrometry
- 1.143 hydrological cycle
- 1.144 hydrogeology
- 1.145 hydraulic gradient
- 1.146 static head, static water level
- 1.147 creek
- 1.148 creek (1.148)
- 1.149 hydrograph
- 1.150 gradually varied unsteady flow
- 1.151 live storage
- 1.152 total storage
- 1.153 flood storage
- 1.154 boundary condition
- 1.155 Courant condition
- 1.156 explicit finite-difference numerical scheme
- 1.157 implicit finite-difference numerical scheme
- 1.158 initial condition
- 1.159 method of characteristics
- 1.160 momentum coefficient, Boussinesq coefficient
- 1.161 standing wave, stationary wave
- 1.162 isotropic
- 1.163 photomultiplier
- 1.164 water course
- 1.165 tributary
- 1.166 brook
- 1.167 longitudinal section
- 1.168 delta
- 1.169 delta reach of river
- 1.170 water level
- 1.171 saturation line
- 1.172 annual flood
- 1.173 annual storage, within-the-year storage
- 1.174 base flow
- 1.175 river capture
- 1.176 drainage basin
- 2.1 velocity-area method
- 2.2 slope-area method
- 2.3 mean direction of flow
- 2.4 vertical
- 2.5 drift
- 2.6 drift (2.6)
- 2.7 drift velocity
- 2.8 period of pulsation
- 2.9 vertical velocity curve
- 2.10 velocity vertical gradient
- 2.11 vertical velocity coefficient
- 2.12 sounding
- 2.13 air line correction
- 2.14 wet line correction
- 2.15 reference gauge
- 2.16 reference current meter
- 2.17 standard current meter
- 2.18 velocity integration method
- 2.19 point velocity method
- 2.20 float gauging
- 2.21 moving boat method
- 2.22 channel storage
- 2.23 mean section segment
- 2.24 mid-section segment
- 2.25 stream panel
- 2.26 storage curve
- 2.27 cubature
- 2.28 looped stage-discharge curve, hysteresis of the stage-discharge relation
- 2.29 sensitivity of the stage-discharge relation
- 2.30 stilling well lag
- 2.31 fall stage-discharge relation, slope-stage-discharge relation
- 2.32 normal fall stage-discharge relation, normal fall method
- 2.33 constant fall stage-discharge, relation, constant fall method
- 2.34 tide
- 2.35 ebb tide
- 2.36 ebb current
- 2.37 flood tide
- 2.38 flood current
- 2.39 spring tide
- 2.40 neap tide
- 2.41 high water
- 2.42 low water
- 2.43 ebb volume
- 2.44 flood volume
- 2.45 tidal amplitude
- 2.46 tidal cycle
- 2.47 tidal day
- 2.48 duration of tide
- 2.49 tidal prism
- 2.50 tidal range
- 2.51 diurnal inequality (2.51)
- 2.52 diurnal inequality (2.52)
- 2.53 seiche
- 2.54 density current
- 2.55 salt-water wedge
- 2.56 current meter
- 2.57 flood flow
- 2.58 bankfull stage
- 2.59 divergence of tidal conditions
- 2.60 mixed tide
- 2.61 ebb predominance
- 2.62 flood predominance
- 2.63 sand point
- 2.64 fall velocity, settling velocity, terminal velocity
- 2.65 vertical velocity distribution
- 2.66 vertical-velocity-curve method
- 3.1 flow measurement structure
- 3.2 weir
- 3.3 height of weir, apex height
- 3.4 head over the weir
- 3.5 upstream total head
- 3.6 downstream total head
- 3.7 weir abutment, abutment, wing wall
- 3.8 weir block, weir body
- 3.9 full-width weir, suppressed weir
- 3.10 divide wall
- 3.11 glacis
- 3.12 weir slope
- 3.12.1 upstream face weir slope
- 3.12.2 dowmstream face weir slope
- 3.12.3 cross-slope
- 3.13 approach channel
- 3.14 straightening vane, guide vane
- 3.15 baffle
- 3.16 control block, baffle pier, energy-breaking block
- 3.17 stilling basin
- 3.18 separation pocket (3.18)
- 3.19 separation pocket (3.19)
- 3.20 throat
- 3.21 modular flow, free flow
- 3.22 discharge coefficient
- 3.23 modular limit
- 3.24 drowned flow, nonmodular flow, submerged flow
- 3.25 submergence ratio
- 3.26 critical flow
- 3.27 double gauging
- 3.28 broad-crested weir
- 3.28.1 rectangular broad-crested weir, broad-crested weir
- 3.28.2 round-nosed broad-crested weir, broad-crested weir
- 3.28.3 trapezoidal broad-crested weir broad-crested weir
- 3.28.4 V-shaped broad-crested weir, broad-crested weir
- 3.29 nappe
- 3.29.1 clinging nappe
- 3.29.2 unconfined nappe
- 3.29.3 fully ventilated nappe, fully aerated nappe
- 3.29.4 fully developed contraction
- 3.30 thin-plate weir, sharp-crested weir
- 3.31 thin-plate notch weir
- 3.32 short-crested weir
- 3.33 triangular-profile weir
- 3.34 streamlined triangular-profile weir
- 3.35 flat-V weir
- 3.36 compound structure
- 3.37 end-depth method
- 3.38 flume
- 3.38.1 critical-depth flume, standing-wave flume
- 3.38.2 long-throated flume
- 3.38.3 short-throated flume
- 3.38.4 throatless flume
- 3.38.5 Parshall flume
- 3.38.6 Saniiri flume
- 3.39 vertical underflow gate
- 4.1 tracer
- 4.2 dilution gauging
- 4.3 constant-rate injection method
- 4.4 integration method, dilution gauging
- 4.5 multiple injection
- 4.6 background concentration
- 4.7 constant level tank
- 4.8 Mariotte vessel
- 4.9 floating siphon
- 4.10 mixing length (4.10)
- 4.11 mixing length (4.11)
- 4.12 degree of mixing
- 4.13 adsorption
- 4.14 dilution ratio, dilution factor (4.14)
- 4.15 dilution ratio, dilution factor (4.15)
- 4.16 sampling cross section, sampling station
- 4.17 standard solution
- 4.18 dispersion of a tracer
- 4.19 dispersion coefficient of a tracer
- 4.20 time of travel of a tracer
- 4.21 tracer recovery ration
- 4.22 unit tracer concentration
- 5.1 vertical gauge, staff gauge
- 5.2 inclined gauge, ramp gauge
- 5.3 float gauge
- 5.4 point gauge
- 5.5 hook gauge
- 5.6 crest stage gauge
- 5.7 wire weight gauge
- 5.8 servo system
- 5.9 servo manometer, servo beam balance
- 5.10 elastic pressure bulb
- 5.11 gas purge technique, bubbler technique
- 5.12 backlash, instrumental hysteresis
- 5.13 liquid level recorder, stage recorder
- 5.14 sensor
- 5.15 rotating element current meter
- 5.16 cup-type current meter
- 5.17 propeller-type current meter
- 5.18 component propeller-type current meter
- 5.19 propeller pitch
- 5.20 rotor pitch
- 5.21 spin test
- 5.22 minimum speed, velocity of response
- 5.23 rating tank, calibration tank
- 5.24 Epper effect
- 5.25 cableway system, cableway
- 5.26 main cable, track
- 5.27 suspension equipment
- 5.28 anchorage
- 5.29 stay line
- 5.30 suspension cable
- 5.31 tow cable, traversing cable
- 5.32 hand-held suspension
- 5.33 gauging reel, winch
- 5.34 double-drum winch
- 5.35 bridge winch board
- 5.36 sounding weight, sinker
- 5.37 sounding rod, sounding line
- 5.38 wading rod
- 5.39 pendant wire, tag-line
- 5.40 float
- 5.41 surface float
- 5.42 subsurface float
- 5.43 double float
- 5.44 velocity rod, rod float
- 5.45 echo sounder
- 5.46 transducer
- 5.47 tracking window
- 5.48 pulse
- 5.49 bit
- 5.50 byte
- 5.51 baud, Bd
- 5.52 electromagnetic current meter
- 5.53 ultrasonic (acoustic) velocity meter
- 5.54 electromagnetic gauging station
- 5.55 default mode
- 5.56 influencing factor, environmental factor
- 5.57 performance measure
- 5.58 range of values
- 5.59 conditions of storage and transport
- 5.60 operating conditions
- 5.61 abnormal conditions of equipment use
- 5.62 hazardous area
- 5.63 overall performance level
- 5.64 timing performance
- 5.65 permanent flowmeter
- 5.66 temporary flowmeter
- 5.67 portable flowmeter
- 5.68 hydrometric equipment
- 5.69 recording device
- 5.70 recording equipment
- 5.71 non-recording equipment
- 5.72 instrument carriage
- 5.73 load-activated brake
- 5.74 payout rate
- 5.75 torque limiter
- 5.76 tower, pier post
- 5.77 minimum winding diameter
- 5.78 winding handle
- 5.79 cableway support
- 5.80 personnel carriage
- 5.81 track wheel
- 5.82 ping
- 5.83 ensemble
- 5.84 transect
- 5.85 data collection platform
- 5.86 data logger
- 5.87 acoustic Doppler current profiler
- 5.87.1 side-looker/horizontal ADCP
- 5.88 Doppler shift
- 5.89 acoustic Doppler velocity meter
- 5.90 blanking distance
- 5.91 bottom tracking
- 5.92 differential global positioning system
- 5.93 side-lobe interference
- 5.94 radar velocity meter
- 5.95 optical velocity meter
- 5.96 echo (cross) correlation velocity meter
- 6.1 fluvial sediment
- 6.2 fluvial sediment transport
- 6.3 total load (6.3)
- 6.4 total load (6.4)
- 6.5 bed material
- 6.6 bed material load
- 6.7 suspended load
- 6.8 bed load
- 6.9 wash load
- 6.10 sediment concentration
- 6.11 mean suspended concentration, time-weighted mean-suspended-sediment concentration
- 6.12 average of the suspended concentration
- 6.13 specific mass
- 6.14 bulk density
- 6.15 Oden theory
- 6.16 integration method
- 6.17 depth integration method
- 6.18 direct method of measurement
- 6.19 indirect method of measurement
- 6.20 sedimentation-decantation-evaporation method
- 6.21 filtration method
- 6.22 hydrometer method
- 6.23 gravimetric method
- 6.24 pipette method
- 6.25 fall velocity, settling velocity
- 6.26 size distribution
- 6.27 particle size distribution, grain size distribution
- 6.28 hydrometer
- 6.29 siltometer
- 6.30 bottom withdrawal tube
- 6.31 sedimentation tube
- 6.32 pycnometer
- 6.33 depth-integrating sampler
- 6.34 instantaneous sampler
- 6.35 point-integrating sampler
- 6.36 pumping sampler
- 6.37 particle size, grain size
- 6.38 mean particle diameter
- 6.39 median particle diameter
- 6.40 geometric mean particle diameter
- 6.41 nominal diameter
- 6.42 projected diameter
- 6.43 sedimentation diameter
- 6.44 sieve diameter
- 6.45 baseline
- 6.46 full reservoir level
- 6.47 horizontal control
- 6.48 normal ponded reservoir
- 6.49 range line
- 6.50 ranging rod
- 6.51 reservoir
- 6.52 rate of sedimentation of reservoir
- 6.53 reservoir delta
- 6.54 trap efficiency of reservoir
- 6.55 vertical control, level control
- 6.56 sediment material
- 6.57 bed-load transport model
- 6.58 bed-load sampler efficiency
- 6.59 weathering
- 6.60 point-integration method
- 6.61 time-integration method
- 6.62 range pillar
- 6.63 sedimentation
- 6.64 bed load rate
- 6.65 isokinetic
- 6.66 single-stage sampler
- 6.67 fixed-orifice pumping sampler
- 6.68 moveable-orifice sampler
- 7.1 resolution
- 7.2 precision
- 7.3 average value
- 7.4 sensitivity coefficient, influence coefficient
- 7.5 frequency distribution
- 7.6 population
- 7.7 sample
- 7.8 sample size
- 7.9 true value
- 7.10 degree of freedom
- 7.11 deviation
- 7.12 experimental standard deviation
- 7.13 experimental standard deviation of the mean
- 7.14 experimental variance
- 7.15 residual variance
- 7.16 weight of measurement
- 7.17 arithmetic weighted mean, weighted average
- 7.18 calibration (7.18)
- 7.19 calibration hierarchy
- 7.20 normal distribution, Laplace-Gaussian distribution
- 7.21 method of least squares
- 7.22 regression
- 7.23 least-squares regression
- 7.24 error of measurement
- 7.25 absolute error of measurement
- 7.26 outlier
- 7.27 spurious error
- 7.28 random error
- 7.29 systematic error
- 7.30 elemental error
- 7.31 standard error of estimation, residual standard deviation
- 7.32 confidence limits
- 7.33 confidence level
- 7.34 Studenťs distribution, Studenťs t distribution
- 7.35 uncertainty
- 7.36 random uncertainty
- 7.37 systematic uncertainty
- 7.38 accuracy
- 7.39 standard uncertainty
- 7.40 type A evaluation of uncertainty
- 7.41 type B evaluation of uncertainty
- 7.42 expanded uncertainty
- 7.43 combined uncertainty
- 7.44 coverage factor
- 7.45 level of confidence
- 8.1 absorbed water
- 8.2 abstraction
- 8.3 access tube dip tube
- 8.4 adhesive water
- 8.5 adsorbed water
- 8.6 air lifting (8.6)
- 8.7 API unit
- 8.8 apparent velocity of groundwater
- 8.9 aquiclude
- 8.10 aquifer
- 8.11 aquifer loss
- 8.12 aquifer properties
- 8.13 aquifuge
- 8.14 aquitard
- 8.15 argillaceous
- 8.16 artificial recharge
- 8.17 bed resolution
- 8.18 bonding
- 8.19 borehole, well
- 8.20 cable boom
- 8.21 calibration tail
- 8.22 casting string
- 8.23 coefficient of permeability
- 8.24 column pipe
- 8.25 composite log
- 8.26 cone of depression
- 8.27 confined aquifer confined groundwater
- 8.28 confining bed
- 8.29 connate water
- 8.30 capillary fringe, capillary zone
- 8.31 core
- 8.32 curve matching
- 8.33 drawdown
- 8.34 Darcy’s law
- 8.35 dispersion
- 8.36 drilling circulation
- 8.37 equipotential line
- 8.38 filter pack
- 8.39 fishing tool
- 8.40 steady flow
- 8.41 uniform flow
- 8.42 flownet
- 8.43 fluid column
- 8.44 flushed zone
- 8.45 foot valve
- 8.46 formation
- 8.47 geophysical log
- 8.48 groundwater
- 8.49 groundwater balance
- 8.50 groundwater basin
- 8.51 groundwater cascade
- 8.52 groundwater dam, groundwater barrier
- 8.53 groundwater divide groundwater ridge
- 8.54 groundwater hydrology
- 8.55 groundwater budgeting
- 8.56 groundwater mound
- 8.57 groundwater recharge, recharge of an aquifer
- 8.58 grout
- 8.59 hydraulic conductivity
- 8.60 hydraulic head
- 8.61 hydrograph (8.61)
- 8.62 impermeable material
- 8.63 incompetent stratum
- 8.64 invaded zone
- 8.65 jig
- 8.66 leachate
- 8.67 lining tube
- 8.68 lithology
- 8.69 logging
- 8.70 mud cake
- 8.71 observation well
- 8.72 open borehole
- 8.73 overflowing (artesian of flowing) well
- 8.74 packer
- 8.75 permeability
- 8.76 permeable material
- 8.77 phreatic surface
- 8.78 piping
- 8.79 plummet
- 8.80 pore pressure
- 8.81 porosity
- 8.82 potentiometric surface
- 8.83 radius of influence
- 8.84 rest water level
- 8.85 rising main
- 8.86 rock
- 8.87 rugosity
- 8.88 saline interface
- 8.89 screen
- 8.90 seepage
- 8.91 sidewalling
- 8.92 slurry
- 8.93 sonde
- 8.94 specific capacity
- 8.95 specific yield
- 8.96 storage coefficient
- 8.97 subterranean stream
- 8.98 transmissivity
- 8.99 laminar flow
- 8.100 turbulent groundwaterflow
- 8.101 unconfined aquifer
- 8.102 unconsolidated rock
- 8.103 unsaturated zone
- 8.104 vadose water
- 8.105 viscosity
- 8.106 kinematic viscosity
- 8.107 washout
- 8.108 water table
- 8.109 well development
- 8.110 well efficiency
- 8.111 well loss
- 8.112 zone of fluctuation of water table, zone of phreatic fluctuation
- 8.113 zone of saturation, saturated zone
- 8.114 zone of weathering
- 8.115 well discharge
- 8.116 well storage
- 8.117 air line
- 8.118 casing well casing lining
- 8.119 electric tape dipper dip-meter
- 8.120 graduated steel tape
- 8.121 land surface datum, ground level
- 8.122 measuring point, dipping datum
- 8.123 acoustic impedance
- 8.124 anisotropy
- 8.125 anomaly
- 8.126 apparent resistivity
- 8.127 blind zone
- 8.128 Bouguer correction
- 8.129 Bouguer anomaly
- 8.130 contact resistance
- 8.131 curve matching (8.131)
- 8.132 Dar Zarrouk parameters
- 8.133 deconvolution
- 8.134 dipole-dipole electrode configuration
- 8.135 diurnal correction
- 8.136 drift correction
- 8.137 eddy current
- 8.138 equivalence
- 8.139 filtering
- 8.140 free-air correction
- 8.141 geoelectrical layer
- 8.142 geometric factor
- 8.143 geophone
- 8.144 gradient configuration
- 8.145 half-Schlumberger configuration
- 8.146 homogeneity
- 8.147 in-phase
- 8.148 latitude correction
- 8.149 Lee-partitioning configuration
- 8.150 longitudinal conductance
- 8.151 magnetic permeability
- 8.152 magnetic susceptibility
- 8.153 migration
- 8.154 non-polarizing electrode
- 8.155 normal moveout
- 8.156 off-set Wenner configuration
- 8.157 overburden
- 8.158 phasor diagram
- 8.159 plus-minus method, Hagedoorn method
- 8.160 polar diagram
- 8.161 proton precession magnetometer, nuclear precession magnetometer
- 8.162 quadrature
- 8.163 reflector
- 8.164 refractor
- 8.165 remnant magnetization
- 8.166 Schlumberger configuration
- 8.167 skin depth
- 8.168 Snell’s law
- 8.169 stacking
- 8.170 statics
- 8.171 suppressed layer
- 8.172 terrain correction
- 8.173 transition
- 8.174 transverse resistance
- 8.175 two-electrode (pole-pole) configuration
- 8.176 vibroseis
- 8.177 Wenner configuration
‹
Report an error
3.28.1 rectangular broad-crested weir, broad-crested weir
(3.28) of which the crest is a horizontal rectangular plane surface and of which the upstream face forms a sharp right-angled corner at its intersection with the plane of the crest
See Figure 8.
3.28.1 přeliv pravoúhlého průřezu se širokou korunou, přeliv se širokou korunou
(3.28), jehož korunou je horizontální pravoúhlá rovinná plocha a jehož návodní stěna vytváří ostrou pravoúhlou hranu v jejím průniku s rovinou koruny
Viz obrázek 8.