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  2. Marine fuel management - Wikipedia

    en.wikipedia.org/wiki/Marine_fuel_management

    In some parts of the world, fuel theft is an ongoing concern. Consequently, the accurate measurement of fuel taken on board coupled with the fuel actually consumed by engines and generators, is an important part of MFM. Flow meters should be installed in all fuel transfer lines so accurate fueling data can be captured.

  3. Custody transfer - Wikipedia

    en.wikipedia.org/wiki/Custody_transfer

    Turbine flowmeters consist of a rotor with propeller-like blades that spins as water or some other fluid passes over it. The rotor spins in proportion to flow rate (see turbine meters) . There are many types of turbine meters, but many of those used for gas flow are called axial meters. [8]

  4. Turndown ratio - Wikipedia

    en.wikipedia.org/wiki/Turndown_ratio

    It is also known as rangeability. It is important when choosing a flow meter technology for a specific application. If a gas flow to be measured is expected to vary between 100,000 m 3 per day and 1,000,000 m 3 per day, the specific application has a turndown ratio of at least 10:1. Therefore, the meter requires a turndown ratio of at least 10:1.

  5. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    Turbine meters are less accurate than displacement and jet meters at low flow rates, but the measuring element does not occupy or severely restrict the entire path of flow. The flow direction is generally straight through the meter, allowing for higher flow rates and less pressure loss than displacement-type meters.

  6. Flow computer - Wikipedia

    en.wikipedia.org/wiki/Flow_computer

    Rotary gas meter with (T) pulse emitter (P) pressure transducer (C) flow computer. A flow computer is an electronic computer which implements algorithms using the analog and digital signals received from flow meters, temperature, pressure and density transmitters to which it is connected into volumes at base conditions. They are used for ...

  7. Mass flow meter - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_meter

    The mass flow rate is the mass of the fluid traveling past a fixed point per unit time. The mass flow meter does not measure the volume per unit time (e.g. cubic meters per second) passing through the device; it measures the mass per unit time (e.g. kilograms per second) flowing through the device. Volumetric flow rate is the mass flow rate ...

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