en

compression ratio

1

Terminological databases

EKI terminibaas Esterm

ID 709431 Last modified 03.05.2024
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Domain machine tools
pressure ratio preferred
surveaste
Usage examples
  • Foo – mootori soovitatav surveaste, mis määratakse katsetuste käigus
pressure ratio preferred
compression ratio

Materjalitehnika terminibaas

ID 672879 Last modified 29.07.2025
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Domain powder metallurgyceramic technology
tihendatavustegur preferred
tihendatavusaste
tihenduvustegur
compression ratio
коэффициент уплотнения
  • puistepulbri mahu suhe sellest pulbrist pressitud pressise mahtu (vt tihendatavus)
  • the ratio of the volume of the loose powder to the volume of the compact made from it (see: compressibility)
  • отношение объёма порошка в свободной насыпке к объёму изготовленной из него прессовки (см. уплотняемость)
tihendatavustegur preferred
tihendatavusaste
tihenduvustegur
compression ratio
fill ratio
коэффициент уплотнения

Metroloogia terminibaas

ID 638090 Last modified 09.10.2024
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Domain Standardisation - Metrology
  • aste, mis määratletakse silindri mahu ja pearuumi (kaasa arvatud eelpõlemiskamber, kui see on olemas) suhtena, kui kolb on käigu põhjas, ja pearuumi mahu suhtena, kui kolb asub ülemises surnud punktis
  • ratio that define as the ratio of the volume of the cylinder and its head space (including the pre-combustion chamber, if present) when the piston is at the bottom of its stroke to the volume of the head space when the piston is at the top of its travel (top dead centre)
surveaste
Usage examples
  • Mootorite põhispetsifikatsiooni järgi mõõdetakse surveastet kahel viisil: staatiline surveaste, mis mõõdetakse põlemiskambri ja silindri suhteliste mahtude põhjal, kui kolb on käigu põhjas, ja põlemiskambri maht, kui kolb on oma käigu ülaosas, ja dünaamiline surveaste, mis mõõdetakse täiustatud mõõteprotseduuri kohaselt, võttes arvesse ka survefaasis silindrisse sisenevaid ja sealt väljuvaid gaase.
compression ratio
Usage examples
  • A fundamental specification for such engines, compression ratio is measured two ways: the static compression ratio, calculated based on the relative volumes of the combustion chamber and the cylinder when the piston is at the bottom of its stroke, and the volume of the combustion chamber when the piston is at the top of its stroke, and the dynamic compression ratio is a more advanced calculation which also takes into account gasses entering and exiting the cylinder during the compression phase.

Purjetamise terminibaas

ID 469505 Last modified 02.05.2023
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surveaste
compression ratio

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