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汽車專業英語——Engine Terms(發動機術語)
$ A4 ?5 \/ |/ F0 h- R! B:cool: Engine Terms(發動機術語)2 w5 Q. g- o2 x9 ^1 L& u
TDC(top dead center) ― the position of the crank and piston when the piston is farther away from the crankshaft.) y0 p; u; ^+ G) t2 T6 D
TDC (上止點) - 當活塞離曲軸最遠時,曲柄和活塞的位置。
& x! b2 {; I8 F3 }' m BDC (bottom dead center) ― the position of the crank and piston when the piston is nearest to the crankshaft.' W" @: `4 y2 w7 b
BDC (下止點) - 當活塞離曲軸最近時,曲柄和活塞的位置。6 [" N. O8 V0 D, x
stroke ― the distance between BDC and TDC; stroke is controlled by the crankshaft.
+ N5 s D! [- R4 _9 a6 m6 \1 L 行程 - 下止點和上止點之間的距離;行程由曲軸控制。
D' S! L/ V/ S bore ― the internal diameter of the cylinder.
6 ~8 r# ~! m( g5 {! W/ U" Z& o& [ 缸徑 - 汽缸的內徑。- v; t @1 r$ O. L7 z+ }- W$ F
swept volume ― the volume between TDC and BDC." \/ N. q3 _9 B9 j2 v; Z
有效容積 - 上止點和下止點之間的體積。) W( u' r0 J3 q
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)
* l: P0 c( m* Q" M has a cylinder swept volume of 500 cm3.) b% I# U% ]6 |" F9 ^, C# k6 i' b
發動機排量 - 這是全部汽缸的有效容積,例如一臺排量為兩公升(2000 cm3)的4個汽缸的發動機每一個汽缸的有效容積為500 cm3。
& q d" v8 h8 k( H! ~ clearance volume ― the volume of the space above the piston when it is at TDC.
0 `) @% i. T! Y) a4 M. b 間隙容積 – 當活塞位于上止點時,活塞頂上面的氣缸空間。
0 w* s* a/ N$ I7 H3 t2 c# T compression ratio = (swept vol + clearance vol)/(clearance vol)+ F5 \: {) Y4 A5 ~* @
壓縮比 = ( 有效容積 + 間隙容積 ) / ( 間隙容積 )
5 W9 p- V+ F& m1 O1 b1 h two-stroke ― a power stroke every revolution of the crank.& a( ]) ~ M* H, t
二沖程 – 曲柄旋轉一圈作功一次。 R( o- j! `# b7 I x T
four-stroke ― a power stroke every other revolution of the crank.* [% J% y( |4 r, V
四沖程 - 曲柄旋轉兩圈作功一次。 |
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