en

pressure gradient

1

Terminological databases

Lennunduse terminibaas

ID 734769 Last modified 03.05.2024
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Domain air trafficmeteorology
pressure gradient
  • the rate of change of pressure with distance
  • the rate of change in atmospheric pressure over a horizontal distance, indicated by the spacing of isobars on a weather map, that affects wind speed (a steep pressure gradient produces strong winds)
Good to know
  • Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennumeteoroloogia
õhurõhu gradient
Usage examples
  • Õhurõhu gradiendi järgi saab näiteks öelda üht-teist tuule tugevuse kohta: mida suurem on õhurõhu gradient ehk muutus pikkusühiku kohta, seda tugevam on tuul (väga suure gradiendi puhul torm). Õhurõhu gradienti saab hinnata ilmakaartidel isobaaride ehk õhurõhusamajoonte paiknemise tiheduse järgi: mida lähemal isobaarid teineteisele asuvad, seda suurem gradient ja tugevam tuul või õhuvool.
pressure gradient
Usage examples
  • Isobars are lines drawn on the chart to depict lines of equal pressure. These lines result in a pattern that reveals the pressure gradient or change in pressure over distance.
barometric gradient

Metroloogia terminibaas

ID 573746 Last modified 14.08.2026
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Domain Standardisation - Metrologymeasuring procedures
rõhulang preferred
rõhulangus
rõhukadu
survelang
survelangus
survekadu
Δp
pressure loss preferred
pressure drop
pressure gradient
Δp
head loss
baric gradient
  • antud voomahu juures veearvesti olemasolust põhjustatud vältimatu rõhu vähenemine torus
  • rõhu erinevus voo kahe asukoha vahel
  • irrecoverable decrease in pressure, at a given flow rate, caused by the presence of the water meter in the pipeline
  • non-recoverable pressure drop caused by the presence of the meter in the pipeline
  • non-recoverable pressure drop caused by the presence of the turbine meter in the conduit
  • difference of pressure between two positions in the flow path
  • irrecoverable pressure loss caused by the presence of a primary device in the conduit
rõhulang preferred
Usage examples
  • Andmed rõhulangu kohta veearvesti tüübi ja mõõtmete või vajaduse korral arvesti paketi kohta esitab tootja.
rõhulangus
rõhukadu
survelang
survelangus
survekadu
Δp symbol
pressure loss preferred
Usage examples
  • Pressure loss data for the meter type and size or meter package, as appropriate, shall be provided by the manufacturer.
pressure drop
Usage examples
  • The pressure drop is expressed in pressure units.
pressure gradient
Δp symbol
head loss
baric gradient
hydraulic gradient variant

Purjetamise terminibaas

ID 470221 Last modified 09.06.2023
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rõhugradient
pressure gradient

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