Tracked Changes. Measurement of fluid flow in closed conduits. Guidelines on the effects of flow pulsations on flow-measurement instruments|Flow, Inertia, Formulae (mathematics), Optics, Errors, Damping, Pipes, Orifice flowmeters, Anemometers, Dynamics, Electromagnetically-operated devices, Flow rates, Probes, Frequencies, Nozzle flowmeters, Turbines, Acoustic equipment, Waveforms, Pulsating flow, Software engineering techniques, Mathematical calculations, Differential-pressure flowmeters, Flowmeters, Venturi meters, Equations, Thermal probes, Bibliography, Wave properties and phenomena, Transit-time devices, Doppler effect, Flow measurement