A positive displacement meter is a type of flow meter that requires fluid to mechanically displace components in the meter in order for flow measurement...

Positive displacement may refer to: Positive displacement pump Positive displacement meter Positive displacement pipette This disambiguation page lists...

Anemometer Ultrasonic flow meter Mass flow meter (Coriolis force). Flow measurement methods other than positive-displacement flowmeters rely on forces...

engine cycle Displacement (fluid), an object immersed in a fluid pushes the fluid out of the way Positive displacement meter, a pump or flow meter which processes...

electrical pulses for a flow computer. Diaphragm gas meters are positive displacement meters. Rotary meters are highly machined precision instruments capable...

safety. A positive-displacement pump can be further classified according to the mechanism used to move the fluid: Rotary-type positive displacement: internal...

Rotary positive displacement meters have a turndown ratio of between 10:1 and 80:1, depending on the manufacturer and the application. Diaphragm meters are...

submetering). Displacement meters are commonly referred to as Positive Displacement, or "PD" meters. Two common types are oscillating piston meters and nutating...

illustrated and discussed below: A positive displacement compressor is a system that compresses the air by the displacement of a mechanical linkage reducing...

original length L of the line element or fibers (in meters per meter). The normal strain is positive if the material fibers are stretched and negative if...

hydrocarbons, positive displacement meters and turbine meters have been preferred. For gas metering, gas orifice meters and ultrasonic flow meters are most...

of air through a meter, while monitoring the gas meter's register, index, or internal displacement. The prover determines the meter factor, which is the...

used as master meters include turbine meters, positive displacement meters, venturi meters, and Coriolis meters. In the U.S., master meters are often calibrated...

measured in farads per meter (F/m or A2·s4·kg−1·m−3). The displacement field D is measured in units of coulombs per square meter (C/m2), while the electric...

momentum space Position operator Position space Positive displacement meter Positive energy theorem Positive pressure Positron Positron emission Positron...

Lagrangian drifter) or in a resting frame. Lagrangian current meters measure the displacement of an oceanographic drifter, an unmoored buoy or a non-anchored...

are used, including ceramic ball bearings. Positive displacement (PD) flowmeters are highly accurate meters that are widely used for custody transfer of...

to deliver a precise total amount. Many metering pumps are piston-driven. Piston pumps are positive displacement pumps which can be designed to pump at...

20Z-Meter, 28Z-Meter, 31Z-Meter, 32Z-Meter, 36Z-Meter, 38Z-Meter, 38Z-5-Meter, 39Z-Meter, 40Z-Meter, 42Z-Meter, 47Z-Meter, 51Z-5-Meter, 56Z-Meter, 63Z-Meter...

The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears...

principle might be, for instance, a spherical shell with a diameter of five meters and the mass of Jupiter. A person at its center will travel forward in time...

rest at that point. The SI unit for the electric field is the volt per meter (V/m), which is equal to the newton per coulomb (N/C). The electric field...

000 kN·m², the displacement would be approximately 13 cm. Note that for the rotation θ {\displaystyle \theta } the units are meters divided by meters (or any...

and b {\displaystyle b} are arbitrary constants representing time and displacement offsets respectively. The units of the amplitude depend on the type of...

mass. That is, each time the mass passes through a minimum or maximum displacement, the mass experiences a discontinuous acceleration, and the jerk contains...

is not uniquely defined. A direct reading power factor meter can be made with a moving coil meter of the electrodynamic type, carrying two perpendicular...

Positive ions will be displaced in the direction of the field, while negative ions will be displaced in the opposite direction. This displacement will...

A progressing cavity pump is a type of positive displacement pump and is also known as a progressive cavity pump, progg cavity pump, eccentric screw pump...

electric currents and displacement currents, and also emanates from the poles of magnets. The SI units of H are amperes per meter. the magnetic flux density...

the environment. An oblique displacement thus produces a positive buoyancy and an acceleration in the oblique displacement direction which reinforces it...