| 单词 | stratified charge |
| 释义 | > as lemmasstratified charge stratified charge n. (in an internal combustion engine) a non-homogeneous mixture of air and fuel, in which a richer fuel is provided for ignition and a leaner one for combustion, often achieved by having a side chamber in each cylinder into which the mixture for ignition is introduced; frequently attributive. ΘΚΠ society > occupation and work > materials > fuel > material for igniting > [noun] > in an internal-combustion engine stratified charge1886 society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > fuel or air mixture stratified charge1886 compression1887 stratification1914 swirl1926 secondary air1931 squish1934 society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > fuel or air mixture rich1882 stratified charge1886 supercharged1910 weak1918 swirl1926 blown1934 squish1957 unblown1959 1886 D. Clerk Gas Engine x. 251 Mr. Otto's engine is economical because it uses a heterogeneous or stratified charge, which is consequently non-explosive. 1931 D. R. Pye Internal Combustion Engine vi. 148 (caption) Thermal efficiencies obtainable at weak petrol-air mixtures with ‘stratified charge’ operation. 1953 H. R. Ricardo High-speed Internal-combustion Engine (ed. 4) xviii. 366 Two alternative schemes were tried:..(2) The use of a stratified charge in which the mixture immediately in the zone of the sparking-plug is very much richer than that in the main body of the combustion space. 1981 Sci. Amer. May 45/1 Direct-injection stratified-charge engines have efficiency advantages comparable to those of the diesel. 2015 K. Reif Gasoline Engine Managem. 23/1 Stratified-charge operation effectively banishes the danger of engine knock. < as lemmas |
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