内燃机专业英语词汇
1曲轴箱crankcase(bed plate)
2机体（气缸体）cylinder-block
3油底壳 oil pan
4曲轴crankshaft
5飞轮壳flywheel housing
6活塞环piston ring
7油环oil ring
8气环gas ring
9螺旋弹簧油环spiral spring oil ring
10连杆螺栓connecting rod bolt (screw) 11前（后）油封front(after) oil seal (gasket) 12轴瓦shell pin (bearing shell)
13止推片stop washer
14曲拐 crank throw
15曲拐臂body of crank throw
16曲柄销crank pin
17主轴颈main journal
18减振器vibration damper
19齿轮gear /gear wheel
20正时齿轮室gear case
21正时齿轮timing gear
22中间齿轮intermed wheel （gear）/idle gear 23喷油泵齿轮injection pump gear
24凸轮轴齿轮camshaft wheel（gear）
25空压机齿轮air compressor gear
26传动轴transmission shaft
27弹性联接片clamp
28高压喷油泵（high-pressure）injection pump 29输油泵fuel supply pump
30燃油滤清器fuel filter
31滤网strainer screen
32高压油管high pressure fuel pipe (injection pipe) 33喷油器Injector (nozzle holder)
34喷油器压块Pressure clip
35供油提前器advanced mechanism
36供油提前角advanced angle
37喷射压力injection pressure
38泵端压力 pump injection pressure
39射程 spray(injection) distance 40喷射锥角spray angle
41油束spray
42油雾颗粒particle
43燃烧室combustion chamber
44压缩比compression ratio
45压缩余隙compression gap
46活塞裙部piston skirt
47活塞型线
48示功图indicator card
49排量delivery capacity
50化学当量比stoichiometric ratio
51空气消耗量air consumption
52凸轮轴camshaft
53基圆base circle
54升程lift range
55缓冲段cushion area（ramp）
56配气相位distribution angle
57挺柱push rod
58推杆handspike/push rod
59摇臂rocker
60函数凸轮function cam
61几何凸轮geometrical cam
62切线凸轮tangent cam
63定位销assembling pin/fixed pin
64连杆体connecting rod body
65进气门intake valve
66排气门exhaust valve
67进气道intake channel
68排气道exhaust channel
69气门座valve seat
70水腔water jacket space
71清沙孔cinder cleaning hole
72涡流比swirl ratio
73流量系数flow coefficient
74气门升程valve lift
75切向气道tangential channel
76螺旋气道helix channel
77挤流squeeze flow
78紊流turbulent flow
79气门旋转机构valve rotating mechanism(valve train）80焊接weld
81密封带sealing stripe
82湍流overfall /onflow
83配气机构valve mechanism
84稀薄燃烧lean combustion
85着火点combustion point
86
燃烧持续期the period of combustion （combustion duration）
87放热率heat release rate（rate）
88燃烧起始角the start angle for（of） combustion 89滞燃期combustion lagging period
90后燃afterburning
91急燃期strong combustion period
92二次喷射secondary injection
93压力波动pressure surge
94压力室compression chamber
95混合气gas mixture
96燃烧速率（combustion）burn rate
97进气管intake pipe
98进气歧管intake manifold
99排气管exhaust pipe
100进气法兰intake flange
101最高爆发压力peak fire pressure
102平均有效压力mean effective pressure
103平均指示压力mean indicated pressure
104指示功indicated work
105阻尼阀damping delivery valve
106减压阀pressure reducing valve
107增压器turbocharger
108喘振线surge line
109压气机(空压机)air compressor
110涡轮机turbine
111蜗壳turbine case
112叶轮impeller
113中间壳the middle case
114压气机效率the efficient of air compressor 115脉冲转换器impulse converter
116放气阀air release valve
117可变截面喷嘴variable-area nozzle
118耐磨环wear ring
119废气再循环exhaust gas recycle
120进油管oil pipe
121回油管oil return pipe
122增压比turbocharging ratio
123增压器流量flow quantity of turbocharger 124硅油离合器silicone oil clutch
125主油道 main office(main oil way) 126平衡块balance weight /counterbalance 127往复质量reciprocating mass
128旋转质量rotating mass
129扭振torsional oscillation /torsional vibration 130惯量inertia
131柔度softness /flexibility
132刚度rigidity /stiffness
133密度density
134振幅swing
135共振转速resonance speed
136燃油消耗量fuel consumption
137燃油消耗率fuel consumption ratio
138过量空气系数the excess air ratio
139空燃比air /fuel ratio
140燃料低热值lower heating value
141烟度smoke
142噪声noise
143声功率级sound power level
144声强级sound intensity level
145声压级sound pressure level
146本底噪声back-ground noise
147气缸套cylinder liner/cylinder casing 148气缸垫cylinder head gasket
149止口rabbet
150火力三角区fire deck
151油耗线法
152机械效率mechanical efficiency 153充气效率charge efficiency
154测功器dynamometer
155排放emission
156曲轴转角crank angle
157燃烧率combustion rate
158传热系数heat transfer coefficient 159压缩多变指数polytropic index of compression 160膨胀多变指数polytropic index of expansion 161升功率power per litre
162机械损失功率mechanical loss power 163摩擦功friction work
164压缩终点压力compression terminal pressure 165排气背压exhaust back pressure 166质量流量mass flow
167体积流量volume flow
168湿度humidity (wetness)
169大气压力atmospheric pressure
170排气湿度exhaust humidity
171气缸工作容积working volume of cylinder 172热效率heat efficiency
173压力升高比pressure step-up ratio
174扫气系数coefficient of scavenging
175扭矩储备torque reserve
176最大扭矩点maximum torque point
177标定工况点rated （full ）power point
178负荷特性load performance
179万有特性(all performance)
180外特性speed performance
181推进特性propel performance
182台架试验engine test
183热力循环thermal circulation
184质量守恒conservation of mass
185能量守恒conservation of energy
186催化转换器catalytic converter
187间隙效应channel effection
188喉口直径throat diameter
189丰满系数plump coefficient（fullness ratio）190性能performance
191排气制动exhaust brake
192停车手柄shutdown handle
193油门拉杆accelerator rod
194张紧轮idler pulley/tension pulley/tensioner 195皮带轮belt pulley sheave
196发电机dynamo(electric generator) 197机油泵oil pump
198起动机starter
199机油冷却器 oil cooler
200空滤器air cleaner
201消音器silencer/muffler
202铸造铝合金 aluminum alloy
203筋rib
204压缩余隙compression ratio
205样机prototype
206稳流模拟试验计
207连杆盖connecting rod cap
208气门导管valve guide
209避阀坑avoiding vavle hole
210单体泵monoblock pump
211直列泵line pump
212压力波pressure wave
213稳定调速率rate of steady regulating speed 214瞬时调速率instantaneous speed change rate 215转速波动率speed fluctuation ratio 216调速特性speed regulation performance 217电控喷油electric-control injection 218电磁阀electromagnetic valve 219最低工作稳定转速
220怠速idle speed
221比排放量
222比油耗specific fuel consumption 223调速器speed regulator
224飞锤flyball
225油尺oil dipstick
226油气分离器oil-gas separator
227振动vibration
228仪表gauge
229传感器sensor
230十六烷cetane
231柴油diesel oil
232十六烷值cetane number of diesel oil 233芳香烃arene
234自由加速烟度free accelerating smoke degree 235匹配adaptation(matching)
236优化optimize (majorization)
237喷丸shot blasting
238预热塞preheat plug
239偏心率eccentricity
240楔形连杆dovetail connecting rod
241斜切口连杆miter joint connecting rod 242燃烧分析仪combustion analyzer
243机油耗luboil consumption
244许用接触应力allowable contact stress
245安全系数safety factor
246特性曲线characteristics(performance) curve 247加速度acceleration
248离心率eccentricity
249往复惯性力reciprocating inertia force 250当量质量equivalent mass
251定压燃烧constant pressure combustion 252定容燃烧constant volume combustion 253旋转惯性力rotatory inertia force
254焓enthalpy
255熵entropy
256动平衡dynamic balance
257静平衡static balance
258矢量vector
259临界转速critical speed
260可靠性reliability
261敲缸knock the cylinder
262串气
263活塞漏气量leaking gas from the piston 264穴蚀cavitation
265多楔带triangular belt
266缩口燃烧室
267加工精度machining accuracy
268扭紧力矩torsional moment
269放气螺钉screw
270喷油速率injection rate
271乳化emulsification
272板翅式冷却器cooler
273机械式水封water seal
274温度场temperature field
275振动模态modal of vibration
276性能模拟计算performance Simulation calculation 277剪切应力Shearing stress
278弯曲应力bending stress
279超速超负荷试验
280热冲击thermal shock
281磨损量wear extent
282磨损极限limit of wear
283有限元分析finite element analysis
284油膜oil film
285轴心轨迹locus of journal center
286液体动力润滑hydrodynamic lubrication 287压缩高度compression height
288喷油冷却spray oil cooling
289桶面环
290矩形环 straight-flanked ring 291锥形环conical ring
292扭曲环twist ring
293反扭曲环reverse torsion ring
294配气相位distribution angle
295函数凸轮function cam
296切向凸轮tangent cam
297黄铜brass
298不锈钢stainless steel
299轴瓦bearing shell
300固定件fixed parts
301磨损率wear rates
302排气温度exhaust gas temperature 303排气背压exhaust back pressure 304制动性能brake performance
305电空单元electrical controlled unit (ECU) 306冷却液coolant
307空气消耗air consumpotion
308升程lift range
309指示功inditor card
310涡流系数swirl ratio
311排量dilivery capacity
312流量系数flow coefficient
313供油提前角advance angle