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汽车专业英语——Engine Terms（发动机术语）& X) P. P/ }6 g1 ]# i
:cool: Engine Terms（发动机术语）5 j8 O; U+ o4 v/ N; L' l) B
TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.5 F A) ^. U" J' n/ ]' v# b6 o& P
TDC (上止点) - 当活塞离曲轴最远时，曲柄和活塞的位置。2 U$ l% N+ Q) N* A) t6 \+ K5 z8 n
BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.
0 x& S$ r+ v0 s) L BDC (下止点) - 当活塞离曲轴最近时，曲柄和活塞的位置。 X0 |& l- t. F/ L) X9 f0 l) `
stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.
1 ?7 ?! G; ]3 s/ v# V4 k$ J* {2 G 行程 - 下止点和上止点之间的距离；行程由曲轴控制。
) I6 [* \7 H& t5 D" l7 r$ b2 b bore ― the internal diameter of the cylinder.
* a9 Z( ]5 i" @/ f* q+ o6 X 缸径 - 汽缸的内径。
/ N$ {- p' }3 ]' O8 b, Q# ]% ] swept volume ― the volume between TDC and BDC.
- ]( C$ v G/ B+ k- c, ` 有效容积 - 上止点和下止点之间的体积。, j' g: G6 t7 W( A2 G
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) F/ i- ?: }& p" R1 O% j6 c
has a cylinder swept volume of 500 cm3.: z: F9 _, n2 a! S
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。% v6 e& ^4 a/ l$ b$ C0 x6 n+ Y
clearance volume ― the volume of the space above the piston when it is at TDC.' K# j2 t; r9 |7 U
间隙容积 – 当活塞位于上止点时，活塞顶上面的气缸空间。
6 v! Z! k5 I+ j1 k. N7 V4 l compression ratio = (swept vol + clearance vol)/(clearance vol)6 ?, m! c5 w! O+ m1 D B, i
压缩比 = ( 有效容积 + 间隙容积 ) / ( 间隙容积 )% H( X* J+ T. _7 ]
two-stroke ― a power stroke every revolution of the crank.; b t6 b# |, v1 _2 ?$ C) j
二冲程 – 曲柄旋转一圈作功一次。$ d! _* i1 y+ m9 t2 e9 ], z
four-stroke ― a power stroke every other revolution of the crank.% c6 h9 h! [) A. n; k/ i: M+ Y
四冲程 - 曲柄旋转两圈作功一次。 |
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发表于 2009-5-18 11:45:50