et

rõhuvahe

substantive

Terminological databases

Metroloogia terminibaas

ID 574417 Last modified 12.03.2026

Domain Standardisation - Metrologymeasuring procedures

rõhuvahe preferred

rõhkude vahe

differential pressure preferred

pressure difference

kahe rõhu vahe
rõhu erinevus kogurõhu ja staatilise rõhu väljaviikude vahel

difference between the pressure at the total and static pressure taps
difference between two pressures

rõhuvahe preferred

Usage examples

Rõhuvahe kui mõõtesuurus on tavaliselt kasutusel tööstusprotsesside süsteemides.

rõhkude vahe

differential pressure preferred

Usage examples

Differential pressures are commonly used in industrial process systems.

pressure difference

Metroloogia terminibaas

ID 585459 Last modified 29.12.2025

Domain Standardisation - Metrology

rõhulang preferred

rõhuvahe

rõhulangus

static pressure loss preferred

pressure differential

keskmine erinevus gaasiarvesti sisse- ja väljalaskeava rõhu vahel gaasi voolamise ajal

mean difference between the pressures at the inlet and outlet of the gas meter while the gas is flowing

rõhulang preferred

Usage examples

Vedelike torustikus voolamisel tekib rõhulang, seotuna vedeliku hõõrdumisega vastu torustiku seina.

rõhuvahe

rõhulangus

symbol

static pressure loss preferred

Usage examples

When liquids flow in a pipeline, a static pressure loss occurs due to the friction of the liquid against the pipe wall.

pressure differential

symbol

Metroloogia terminibaas

ID 790408 Last modified 29.12.2025

Domain metrologymeasuring procedures

rõhuvahe

differential pressure

DP

erinevus staatiliste rõhkude vahel, mis on saadud mõõtmisel toruseina mõõtekohtade juures, millest üks asub ülesvoolu ja teine mõõtevahendist allavoolu poolel, sisestatuna sirgesse vootorusse, kui on arvesse võetud kõrguste erinevust üles- ja allavoolu rõhumõõtekohtade vahel
esmaseadme tekitatud rõhuerinevus, kui arvesse võetakse voo sisse- ja väljavoolu kohtades rõhuühenduste vahelist näiduerinevust

difference between the (static) pressures measured at the wall pressure tappings, one of which is on the upstream side and the other of which is on the downstream side of a primary device, inserted in a straight pipe through which flow occurs, when any difference in height between the upstream and downstream tappings has been taken into account
pressure difference generated by a primary device when any difference in datum level between the upstream and downstream pressure tappings is taken into account

rõhuvahe

Usage examples

Terminit „rõhuvahe“ kasutatakse ainult siis, kui rõhumõõtekohad on iga mõõtevahendi jaoks kindlaksmääratud asendites.

symbol

differential pressure

Usage examples

The term “differential pressure” is used only if the pressure tappings are in the positions specified for each standard primary device.

DP abbreviation

symbol

in the EU's IATE term base

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