compression ratio

compression ratio
a) The ratio of the volume between the cylinder head of an internal combustion engine and the piston before and after the compression stroke
b) The ratio of the size of compressed data after the execution of some compression algorithm to the size of the original data.

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  • compression ratio — n. in an internal combustion engine, the ratio of the largest volume to the smallest volume of a cylinder, measured before and after the compressing action of the piston …   English World dictionary

  • Compression ratio — Compression ratio. См. Степень сжатия (в порошковой металлургии). (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

  • compression ratio — Auto. the ratio of the cylinder volume enclosed by the piston at its outermost position to the volume enclosed by it at its innermost position. [1905 10] * * * Degree to which the fuel mixture in an internal combustion engine is compressed before …   Universalium

  • compression ratio — [1] When the piston is at the bottom of its travel (BDC), the volume of cylinder is measured (suppose the volume is X). Then the piston is placed at the top of its travel (TDC) and the volume of the cylinder is measured (suppose this volume is Y) …   Dictionary of automotive terms

  • compression ratio — suspaudimo laipsnis statusas T sritis Energetika apibrėžtis Cilindro didžiausio (stūmokliui esant apatiniame rimties taške) ir mažiausio (stūmokliui esant viršutiniame rimties taške) tūrių santykis. atitikmenys: angl. compression rate;… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • compression ratio — spūdos laipsnis statusas T sritis fizika atitikmenys: angl. compression ratio vok. Kompressionsgrad, m; Verdichtungsgrad, m; Verdichtungsverhältnis, n rus. степень сжатия, f pranc. degré de compression, m; rapport de compression, m; taux de… …   Fizikos terminų žodynas

  • compression ratio — suslėgimo laipsnis statusas T sritis Standartizacija ir metrologija apibrėžtis Suslėgtųjų dujų ir aplinkos, iš kurios jos siurbiamos, slėgių dalmuo. atitikmenys: angl. compression ratio vok. Kompressionsgrad, m; Verdichtungsverhältnis, n rus.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • compression ratio — spūdos santykis statusas T sritis fizika atitikmenys: angl. compression ratio vok. Verdichtungsgrad, m; Verdichtungsverhältnis, n rus. степень сжатия, f; степень уплотнения, f pranc. taux de compression, m …   Fizikos terminų žodynas

  • compression ratio — The ratio of the original size of data that is sent to the compressed size. For example, a 3:1 compression ratio means that the original data takes up 3 times the amount of space as the compressed data, and a modem would transfer the data 3 times …   Dictionary of telecommunications

  • compression ratio — suslėgimo laipsnis statusas T sritis chemija apibrėžtis Suslėgtų dujų ir aplinkos, iš kurios jos siurbiamos, slėgių santykis. atitikmenys: angl. compression ratio rus. степень сжатия …   Chemijos terminų aiškinamasis žodynas

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