Doppler principle of measurement is suitable for contaminated or aerated liquids where the solid content is pretty high (> 10% by volume) and measurement cannot be done using Time of flight ...

Ultrasonic flow meters are non-invasive devices that use acoustic vibrations to determine the flow rate of a liquid. There are two types of ultrasonic flow meters – Doppler and transit time. Both ...

2. Doppler Flow Meters: These utilize the frequency shift of an ultrasonic wave reflected by suspended particles or bubbles within the flow. Advantages of Using Ultrasonic Flow Meters: Non-Invasive ...

There are two main types of ultrasonic flow meters: Transit-Time or 'time of flight' ultrasonic flow meters, which measure the time difference between ultrasonic pulses sent in the direction of the ...

The Doppler Ultrasonic Flow Meter Market is experiencing significant growth, driven by rising demand for accurate flow measurement across various industries, including water and wastewater management, ...

An investigation of the effects of particle moisture content and flow-rate on the readings of a microwave Doppler-effect flow-meter is described. It is shown that the effects of moisture content may ...

This paper describes the development of a gas-solids flow measurement setup with a suitable ultrasound Doppler flow meter used for teaching purposes. Main aim of the setup is to provide students a ...

Summarising the benefits of Doppler flow measurement, even in very clean water, Nick Martin says, "If this water company had chosen to install traditional flow meters an extra capital cost of over £54 ...