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汽车专业英语——Engine Terms(发动机术语)
# S ^& m7 D8 j:cool: Engine Terms(发动机术语)
W4 C" X" n3 G) `5 c4 B0 k5 J' L/ ^: h TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.$ L& c1 d$ u7 P$ H% c& z
TDC (上止点) - 当活塞离曲轴最远时,曲柄和活塞的位置。) F+ Y# s& E$ a, ]
BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.
1 x9 e3 i' k# ~& r1 z7 I. ~ BDC (下止点) - 当活塞离曲轴最近时,曲柄和活塞的位置。
2 l0 r7 V9 m4 S stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.8 t; [! X2 x: X8 |* V
行程 - 下止点和上止点之间的距离;行程由曲轴控制。9 f+ f4 a' _, a* ^# i
bore ― the internal diameter of the cylinder.
+ ~0 ?$ `1 h, h8 v- U, [ 缸径 - 汽缸的内径。
; ^% Z- y' ~. [6 H swept volume ― the volume between TDC and BDC.
, T7 w9 M7 h% n+ w2 ?' V- V 有效容积 - 上止点和下止点之间的体积。
; b3 ^* I* @0 ]& }: F7 b 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)
* r' I' J3 H; X1 Y4 A has a cylinder swept volume of 500 cm3.6 z, x b+ a: ], T! R
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。
- g+ r" ~0 t r( u) }$ m* ~ clearance volume ― the volume of the space above the piston when it is at TDC.
. W; D- S5 E1 i, H2 W9 [$ I 间隙容积 – 当活塞位于上止点时,活塞顶上面的气缸空间。1 \+ e' N* D" G
compression ratio = (swept vol + clearance vol)/(clearance vol)
' A8 w) G/ d' d 压缩比 = ( 有效容积 + 间隙容积 ) / ( 间隙容积 )8 W# s+ s, ~" L* z7 ]. A
two-stroke ― a power stroke every revolution of the crank." l6 U1 j2 O: q4 q* v. p/ A
二冲程 – 曲柄旋转一圈作功一次。
) ~! A. U5 @( r$ d1 g7 n' }' s" n four-stroke ― a power stroke every other revolution of the crank.2 k2 B+ E! h& W8 e( d6 u% k$ H
四冲程 - 曲柄旋转两圈作功一次。 |
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