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汽车专业英语——Engine Terms(发动机术语)
/ B/ l2 e6 _5 T4 e/ E m+ [ t:cool: Engine Terms(发动机术语)- F3 Q7 H5 N. O/ j; P8 R
TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.; N) L, g% f$ e9 s' S5 n) r; b
TDC (上止点) - 当活塞离曲轴最远时,曲柄和活塞的位置。8 k( e8 t- I* H, X
BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.
9 d. Q! D5 `. |# ~6 C8 b( X: P BDC (下止点) - 当活塞离曲轴最近时,曲柄和活塞的位置。
9 E2 e$ v3 B1 U& B stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.; Q3 M3 Q' ~( l( C0 ~6 {( o
行程 - 下止点和上止点之间的距离;行程由曲轴控制。& E4 k2 z* j# H: y2 u9 X" J" _% r
bore ― the internal diameter of the cylinder.
6 n1 u8 N7 J" I. A8 p 缸径 - 汽缸的内径。
" d& M+ t1 K; ~ swept volume ― the volume between TDC and BDC.
& |) `2 W1 \+ r$ R9 |' k k7 J 有效容积 - 上止点和下止点之间的体积。
/ _4 M) T% W! h) R& x engine capacity ― this is the swept volume of all the cylinders, e.g. a four-cylinder engine having a capacity of two liters (2000 cm3)
4 _# m% D9 m$ c1 d- t( X, c' T9 ? has a cylinder swept volume of 500 cm3.
: `3 |# i4 x R \+ @2 T, ]: { 发动机排量 - 这是全部汽缸的有效容积,例如一台排量为两公升(2000 cm3)的4个汽缸的发动机每一个汽缸的有效容积为500 cm3。) B3 H$ _5 [6 E5 A
clearance volume ― the volume of the space above the piston when it is at TDC.: s! {1 o9 u: x" v! {1 y0 n4 Z) R
间隙容积 – 当活塞位于上止点时,活塞顶上面的气缸空间。
# r$ C _/ _7 ?# ^* [ compression ratio = (swept vol + clearance vol)/(clearance vol), t' p0 v" p. X& J. W0 d i
压缩比 = ( 有效容积 + 间隙容积 ) / ( 间隙容积 )
: S/ W# N2 y( _ two-stroke ― a power stroke every revolution of the crank.
$ M) n$ ?. w: y) T0 P4 t3 C/ e 二冲程 – 曲柄旋转一圈作功一次。! j7 Z5 w& R7 a- D9 s
four-stroke ― a power stroke every other revolution of the crank.
9 Y5 x- T4 L- t: g 四冲程 - 曲柄旋转两圈作功一次。 |
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