Developments in Flow Measurement, Volume 1R. W. W. Scott |
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Page 233
... Ultrasonic electrode cleaning . ultrasonic electrode cleaning has been introduced by Fischer & Porter . Figure 7.14 . shows a possible arrangement for such a system . Fixed to the back of the electrode which is normally a threaded shaft ...
... Ultrasonic electrode cleaning . ultrasonic electrode cleaning has been introduced by Fischer & Porter . Figure 7.14 . shows a possible arrangement for such a system . Fixed to the back of the electrode which is normally a threaded shaft ...
Page 254
... Ultrasonic Method The velocity of flow is measured by transmitting an ultrasonic pulse diagonally across the channel in both directions simultaneously . The difference in time transits is a measure of the velocity which requires to be ...
... Ultrasonic Method The velocity of flow is measured by transmitting an ultrasonic pulse diagonally across the channel in both directions simultaneously . The difference in time transits is a measure of the velocity which requires to be ...
Page 294
... Ultrasonic gauging stations can be sited on most rivers having difficult hydraulic conditions , which would rule out other methods of stream gauging but precautions should be taken against the following factors : ( i ) weed growth ...
... Ultrasonic gauging stations can be sited on most rivers having difficult hydraulic conditions , which would rule out other methods of stream gauging but precautions should be taken against the following factors : ( i ) weed growth ...
Contents
Primary Calibrators Reference and Transfer Standards | 31 |
Liquid Flow MeasurementA General Appraisal | 73 |
Metering of Crude Oil and Petroleum Products | 101 |
Copyright | |
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accuracy angular application blade British Crown copyright calculated calibration cent Chapter closed conduits coefficient coil component constant cross-section cryogenic current meter curve density detector determined device diameter differential pressure discharge displacement meters downstream drag coefficients East Kilbride effect electrode electromagnetic flowmeters equation error flow conditions flow measurement flow profile flowrate flume frequency gauging Hydrometry installation instrument INTERNATIONAL linear liquid m³/s magnetic field manufacturers mass flowrate mean meter factor meter performance method microprocessor National Engineering Laboratory normally obtained open channel operating orifice plate output pipe prover pipeline procedure pulse random range ratio Reynolds number rotor sensor shown in Fig signal standard straightener swirl systematic tapping techniques temperature throughput torque traceability transducer tube turbine flowmeters turbine meter ultrasonic uncertainty upstream valve variation velocity profile vertical viscosity voltage volume volumetric weight function weirs