The present invention relates to methods and apparatuses for measuring flow rate in pipes. The standard method of installing flow meters inside pipes to ...

In a method of measuring the flow rate of an exhaust gas, an external atmosphere is caused to flow into a pipe which branches off from the main pipe to open ...

A method 100 of determining a flow rate of a fluid flowing in a pipe. The method 100 includes measuring a pressure of fluid at at least two locations in the ...

A fluid flow meter estimates the velocity of water or another fluid flowing through pipe by comparing measurements of the water velocity to one or more pre- ...

Then, by automatically inputting the actual thickness of the correct pipe in the formula for measuring the flow rate, it is possible to accurately determine the ...

A vortex flowmeter is disclosed which is capable of measuring the flow rate of fluid flowing through a pipe bidirectionally or in a pulsating manner while ...

A method and apparatus for determining flow in an aspirated smoke detector system includes a plurality of sampling pipes in fluid communication with a smoke ...

This invention relates to measuring properties of fluid flow in pipes, such as flow rate. BACKGROUND; [0002]. An ultrasonic flowmeter is a type of flowmeter ...

It operates to measure the flow rate in a pipe by measuring the differential pressure, or pressure difference ΔP, between the pressure measured at the approach ...

The processor is configured to determine a density of a material flowing through the polymer pipe based on a density GL value determined from the density ...

... determining the flow rate of a liquid through a pipe. From DE 103 22 366 A1 a heating device for a liquid in a basin is known, which comprises a flow ...

The flow meter may be incorporated in the tubular section prior to running of the drill string down the production pipe, or alternatively it may be run ...

... through paths that pass through the pipe interior. The flow meter (10) determines the rate of fluid flow through the pipe (12) by comparing the sound ...

The water pipe is configured to allow water to pass through at a flow rate and to circulate the water with the evaporator to exchange heat with the refrigerant ...

The present invention provides an optical device for the measurement of flow rates of fluid through a pipe. The device broadly comprises a narrow frequency ...

Combined with measurements of the velocities, the volume flow rates are calculated for the phases, and by further combining this with the mass densities of the ...

Centripetal forces in a pipe may be generated by guiding the flow stream through a curved portion of the pipe, for example a 90° or 180° bend in the pipe.

Feb 19, 2015 ... Determine the speed at which water would flow through a point in the pipe that has a cross sectional area of 0.25 m2 and a volume flow rate of 5.0 m3/s.

However, the ultrasonic flowmeter cannot accurately measure the flow rate if bubbles are present in the pipe. This is because air bubbles flow along with the ...

... rate, and measuring the pressure drop across the core, or by setting the fluid to flow at a set pressure difference, and measuring the flow rate produced.