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汽车专业英语——Engine Terms(发动机术语)
, q: b X9 [: d t, B- p M7 D:cool: Engine Terms(发动机术语)
: ^, Q9 {8 A6 u$ k/ z, H s" l TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.% G' \ @* T B; u# u
TDC (上止点) - 当活塞离曲轴最远时,曲柄和活塞的位置。0 _: P$ X/ H% q4 e& T5 R! o
BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.
, u+ v1 _! V, I6 p! h BDC (下止点) - 当活塞离曲轴最近时,曲柄和活塞的位置。" \+ f0 }1 P6 I2 b
stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.8 [5 x6 b* }6 M
行程 - 下止点和上止点之间的距离;行程由曲轴控制。
- O1 P) i" e) H3 ~ bore ― the internal diameter of the cylinder.
3 k. n+ M: D: S& s+ ^3 ` 缸径 - 汽缸的内径。
% r$ g1 Q0 q0 }0 y7 c# L swept volume ― the volume between TDC and BDC.
/ l: R, G/ D ~( x5 b0 l0 z, K# T 有效容积 - 上止点和下止点之间的体积。
2 u" \! O0 q$ }; i 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)0 Y' j) N) T/ \7 A* }
has a cylinder swept volume of 500 cm3. i# z9 D2 X$ X* I2 S- M8 z+ 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。
7 z) C2 e) E, ~" C v: f4 | ] clearance volume ― the volume of the space above the piston when it is at TDC.
2 g' w9 N6 k' ]- ^; a2 d 间隙容积 – 当活塞位于上止点时,活塞顶上面的气缸空间。; M; z8 x; C. Q' Y( X
compression ratio = (swept vol + clearance vol)/(clearance vol)& k$ Q: q& R( X! ~
压缩比 = ( 有效容积 + 间隙容积 ) / ( 间隙容积 )
0 y D; h9 t2 w" g two-stroke ― a power stroke every revolution of the crank.
! b" d6 |2 x0 g( o( S 二冲程 – 曲柄旋转一圈作功一次。7 g/ _8 T1 Q4 ~! F& p: M. u& {
four-stroke ― a power stroke every other revolution of the crank.1 V8 Y2 k8 i4 _% a+ Z* I
四冲程 - 曲柄旋转两圈作功一次。 |
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