• Thumbnail for Positive displacement meter
    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...
    10 KB (1,226 words) - 09:36, 13 May 2025
  • Positive displacement may refer to: Positive displacement pump Positive displacement meter Positive displacement pipette This disambiguation page lists...
    360 bytes (46 words) - 19:41, 18 April 2018
  • Anemometer Ultrasonic flow meter Mass flow meter (Coriolis force). Flow measurement methods other than positive-displacement flowmeters rely on forces...
    49 KB (6,932 words) - 23:14, 31 December 2024
  • 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...
    3 KB (426 words) - 17:15, 26 March 2025
  • Thumbnail for Pump
    safety. A positive-displacement pump can be further classified according to the mechanism used to move the fluid: Rotary-type positive displacement: internal...
    57 KB (7,219 words) - 09:56, 12 May 2025
  • 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...
    7 KB (1,071 words) - 23:38, 15 December 2024
  • Thumbnail for Gas meter
    electrical pulses for a flow computer. Diaphragm gas meters are positive displacement meters. Rotary meters are highly machined precision instruments capable...
    23 KB (3,225 words) - 22:29, 25 February 2025
  • Thumbnail for Water metering
    submetering). Displacement meters are commonly referred to as Positive Displacement, or "PD" meters. Two common types are oscillating piston meters and nutating...
    48 KB (5,991 words) - 04:47, 16 February 2025
  • Thumbnail for Compressor
    illustrated and discussed below: A positive displacement compressor is a system that compresses the air by the displacement of a mechanical linkage reducing...
    49 KB (6,856 words) - 16:35, 20 March 2025
  • 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...
    17 KB (2,760 words) - 16:33, 6 March 2025
  • hydrocarbons, positive displacement meters and turbine meters have been preferred. For gas metering, gas orifice meters and ultrasonic flow meters are most...
    46 KB (4,738 words) - 23:09, 8 March 2025
  • 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...
    5 KB (724 words) - 21:53, 10 March 2025
  • Thumbnail for Permittivity
    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...
    34 KB (4,456 words) - 20:11, 10 February 2025
  • Thumbnail for Electric field
    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...
    43 KB (5,518 words) - 09:05, 4 May 2025
  • used as master meters include turbine meters, positive displacement meters, venturi meters, and Coriolis meters. In the U.S., master meters are often calibrated...
    41 KB (6,171 words) - 17:17, 19 April 2025
  • Thumbnail for Putzmeister
    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...
    7 KB (662 words) - 18:38, 22 March 2024
  • Thumbnail for Current meter
    Lagrangian drifter) or in a resting frame. Lagrangian current meters measure the displacement of an oceanographic drifter, an unmoored buoy or a non-anchored...
    9 KB (1,159 words) - 20:54, 31 December 2023
  • momentum space Position operator Position space Positive displacement meter Positive energy theorem Positive pressure Positron Positron emission Positron...
    25 KB (2,604 words) - 16:21, 28 December 2024
  • Thumbnail for Roots blower
    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...
    16 KB (1,983 words) - 12:18, 10 January 2025
  • Thumbnail for Direct integration of a beam
    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...
    5 KB (850 words) - 19:12, 21 April 2025
  • 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...
    9 KB (1,377 words) - 15:37, 22 March 2023
  • Thumbnail for Custody transfer
    are used, including ceramic ball bearings. Positive displacement (PD) flowmeters are highly accurate meters that are widely used for custody transfer of...
    29 KB (3,535 words) - 12:48, 26 November 2024
  • Thumbnail for Jerk (physics)
    mass. That is, each time the mass passes through a minimum or maximum displacement, the mass experiences a discontinuous acceleration, and the jerk contains...
    35 KB (4,268 words) - 02:06, 12 May 2025
  • and b {\displaystyle b} are arbitrary constants representing time and displacement offsets respectively. The units of the amplitude depend on the type of...
    13 KB (1,620 words) - 20:05, 5 March 2025
  • Thumbnail for Time travel
    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...
    72 KB (8,220 words) - 18:42, 30 April 2025
  • 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...
    44 KB (5,807 words) - 10:45, 18 April 2025
  • Thumbnail for Magnetic field
    : 21  which is equivalent to newton per meter per ampere. The unit of H, magnetic field strength, is ampere per meter (A/m).: 22  B and H differ in how they...
    105 KB (12,990 words) - 00:44, 9 May 2025
  • Thumbnail for Pipette
    piston (movable inner part) which directly displaces the liquid. Positive displacement pipette The chuck which will be used to move the plunger An early...
    24 KB (2,743 words) - 23:42, 6 March 2025
  • Thumbnail for Progressing cavity pump
    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...
    10 KB (1,321 words) - 02:46, 11 May 2024
  • Positive ions will be displaced in the direction of the field, while negative ions will be displaced in the opposite direction. This displacement will...
    5 KB (546 words) - 17:08, 6 September 2024