专业术语中英文对照

1、Two-stroke cycle 二冲程循环Four-stroke cycle 四冲程循环Diesel cycle 狄塞尔循环Otto cycle 奥托循环Mixed cycle 混合循环Constant volume cycle 定容循环Constant pressure cycle 等压循环Working cycle 工作循环Ideal cycle 理想循环Thermodynamic cycle 热力循环Stroke 冲程，行程Piston stroke 活塞行程Long stroke 长行程Up stroke 上行程Down stroke 下行程Intake stroke 吸气行程Cha

2、rging stroke 充气行程Compression stroke 压缩行程Working stroke 工作行程Explosion stroke 爆炸行程Expansion stroke 膨胀行程Power stroke 动力行程Exhaust stroke 排气行程Expansion-exchange stroke 膨胀-换气行程Exchange-compression stroke 换气-压缩行程Dead center 止点Top dead center 上止点Lower dead center 下止点Before top dead center 上止点前After top dead

3、 center 上止点后Before bottom dead center 下止点前After bottom dead center 下止点后Cylinder bore 缸径Bore and stroke 缸径与冲程Air-cell 空气室Cylinder clearance volume 气缸余隙容积Combustion chamber volume 燃烧室容积Maximum cylinder volume 气缸最大容积Compression chamber 压缩室Displacement (swept volume) 排气量Engine displacement 发动机排量Piston d

4、isplacement 活塞排量Cylinder capacity 气缸容量Single-chamber capacity 单室容量Volumetry 容积法Compression ratio 压缩比Critical compression ratio 临界压缩比Expansion ratio 膨胀比Surface to volume ratio 面容比Stroke-bore ratio 行程-缸径比Mixture ratio 混合比Compression pressure 压缩压力Brake mean effective pressure (BMEP) 制动平均有效压力Air fuel ra

5、tio 空燃比Fuel air ratio 燃空比Fuel equivalence ratio 燃料当量比Torque 扭矩Power per cylinder 单缸功率Power per liter 升功率Torque per liter 升扭矩Mass per liter 升质量Derating power 减额功率Output power 输出功率Gross power 总功率Net power 净功率Fuel consumption 燃油消耗量Specific fuel consumption 比燃料消耗量Air consumption 空气消耗量Oil consumption 机油消

6、耗量Rated power 额定功率Brake power 制动功率Brake thermal efficiency 制动热效率Indicted thermal efficiency 指示热效率Overall efficiency 总效率Smoke limiting power 排烟极限功率Power curve 功率曲线Mechanical loss 机械损失Mechanical efficiency 机械效率Effective thermal efficiency 有效热效率Volumetric efficiency 容积效率Excess air coefficient 过量空气系数Ada

7、ptive coefficient 适应性系数Torque adaptive coefficient 扭矩适应性系数Speed adaptive coefficient 转速适应性系数Intensification coefficient 强化系数Correction factor 校正系数Conversion factor 换算系数 Mean piston speed 活塞平均速度Engine speed 发动机速度Idling speed 怠速转速Economic speed 经济转速Starting speed 起动转速Lowest continuous speed with load

8、最低稳定工作转速Lowest idling temperature 发动机怠速转动最低温度Maximum torque speed 最大转矩转速Maximum noload governed speed 受控最高空转转速Speed governing调速Overspeed超速Idling怠速Speed fluctuation rate转速波动率Working condition (operating condition)工况Rated working condition额定工况Variable working condition变工况Steady working condition稳定工况No

9、 load空载Full load 全负荷Over load 超负荷Part load 部分负荷Charge 充量（进气）Direction of rotation 旋转方向Clockwise 顺时针Anticlockwise 逆时针Left-hand rotation 左转Right-hand rotation 右转Major diameter 外径Pitch diameter 中径Minor diameter 内径Radial clearance 径向间隙Engine performance 发动机性能Loading performance 加载性能Starting performance

10、起动性能Acceleration performance 加速性能Power performance 动力性能Emission performance 排放性能No load characteristics 空转特性Partial throttle characteristics 负荷特性Governor control characteristics 调速特性Mapping characteristics 万有特性Steady-state speed governing rate 稳定调速率Working medium 工质Practical cycle 实际循环Firing order 点

11、火次序Timing 定时Stroke-bore ratio 行程缸径比Number of cylinders 气缸数Piston area 活塞面积Connecting rod length 连杆长度Crank radius 曲柄半径Crank radius-connecting rod length ratio 曲柄连杆比Working medium volume 气缸体积Piston swept volume 气缸工作体积Effective piston swept volume 气缸有效工作体积Cylinder clearance volume 气缸余隙体积Maximum cylinde

12、r volume 气缸最大体积Effective cylinder volume 气缸有效体积 Engine swept volume 发动机排量Engine cylinder volume 发动机气缸总体积Clearance 余隙高度Injector protrusion 喷嘴端伸出量Intake process 进气过程Intake temperature 进气温度Intake pressure 进气压力Natural aspiration 自然进气Stratified charge 层状充气Intake advance angle 进气提前角Intake lag angle 进气迟后角I

13、ntake duration angle 进气持续角Intake swirl 进气涡流Intake turbulence 进气紊流Helical duct intake 螺旋进气道进气Tangential duct intake 切向进气道进气Masked inlet valve intake 导流屏进气Time-area value 时面值Valve lift 气阀升程Scavenging port area 气阀开度Gas exchange process 换气过程Scavenging process 扫气过程Scavenging duration 扫气持续期Scavenging pres

14、sure 扫气压力Uniflow scavenging 直流扫气Loop scavenging 回流扫气Cross scavenging 横流扫气Crankcase scavenging 曲轴箱扫气Scavenging by blower 扫气泵扫气Piston underside pump scavenging 活塞底泵扫气Exhaust-pulse scavenging 排气脉冲扫气Coefficient of scavenging 扫气系数Trapping efficiency 扫气利用系数Scavenging efficiency 扫气效率Coefficient of scavengi

15、ng loss 扫气漏失系数Delivery ratio 给气比Valve timing 配气定时Valve overlap 气阀重叠Swirl rate 涡流比Compression process 压缩过程Compression pressure 压缩压力Compression beginning pressure 压缩始点压力Compression beginning temperature 压缩始点温度Compression end pressure without combustion 压缩终点压力Compression end temperature without combust

16、ion 压缩终点温度Fuel injection starting compression pressure 喷油始点压缩压力Ignition starting compression pressure 着火始点压缩压力Ratio of pressure rise 压力升高比Effective compression ratio 有效压缩比Polytropic index of compression 压缩多变指数Compression swirl 压缩涡流Injection process 喷油过程Direct injection 直接喷射Indirect injection 间接喷射Ele

17、ctronic-controlled injection 电控喷射Fuel supply advance angle 供油提前角Fuel injection advance angle 喷油提前角Injection lag 喷油延迟角Injection duration 喷油持续角Nozzle hole area 喷孔面积Total area of nozzle holes 喷孔总面积Ratio of nozzle hole length-nozzle hole diameter 喷孔长径比Nozzle hole cone 喷孔锥体Nozzle hole cone angle 喷孔锥角Need

18、le lift 针阀升程Sac volume 针阀压力室体积Retraction volume of delivery valve 出油阀卸载体积Injection pressure 喷油压力Injection starting pressure 启喷压力Injection peak pressure 喷油峰值压力Inject back pressure 喷油背压Spray 喷注Spray penetration 喷注贯穿距离Spray penetration curve 喷注贯穿规律Spray penetration ratio 喷注贯穿率Fuel delivery per cycle pe

19、r cylinder 循环喷油量Minimum fuel delivery per cycle per cylinder 最小循环喷油量Fuel supply rate 供油率Fuel injection rate 喷油率Accumulated fuel delivery rate 累计喷油率Fuel supply rate curve 供油规律Fuel injection rate curve 喷油规律Fuel delivery curve at constant speed 喷油泵负荷特性Fuel delivery curve at fixed rack 喷油泵速度特性Nozzle flo

20、w characteristic 喷嘴流通特性Nozzle hydrokinetic characteristic 喷嘴液力特性Spray characteristic 喷雾特性Spray cone angle 喷雾锥角Atomization 雾化Sauter mean diameter (SMD) 索特平均直径Abnormal injection 异常喷油Secondary injection 二次喷油Fluctuating injection 波动喷油Intermittent injection 间断喷油Disorder injection 不齐喷油Nozzle dribbing 喷油滴漏

21、Mixture formation process 混合气形成过程Mixture concentration 混合气浓度Mixture ratio 混合比Volumetric mixture ratio 体积混合比Mole mixture ratio 摩尔混合比Theoretical mixture ratio 理论混合比Theoretical mixture gas 理论混合气Film mixture 油膜混合Combustible mixture 可燃混合气Total air-fuel ratio 总空燃比Total excess air ratio 总过量空气系数Air untiliza

22、tion ratio 空气利用系数Chamber mixture 雾化混合Compound mixture 复合混合Peripheral mixture 周边混合Thermo-mixture effect 热混合效应Thermo-hamper effect 热束缚效应Micro swirl 微涡流Combustion chamber 燃烧室Divided combustion chamber 分开式燃烧室Semi-open combustion chamber 半开式燃烧室Open combustion chamber 开式燃烧室Direct injection combustion cham

23、ber 直喷式燃烧室Piston chamber 活塞顶内燃烧室M-process chamber 球型燃烧室Basin shaped combustion chamber 盆形燃烧室Swirl combustion chamber 涡流燃烧室Prechamber 预燃燃烧室Pre-swirl combustion chamber 涡流预燃室Heat-reserve combustion chamber 储能燃烧室Main combustion chamber 主燃室Subsidiary combustion chamber 副燃室L-combustion chamber L形燃烧室Wedge

24、 shaped combustion chamber 楔型燃烧室Bathtub shaped combustion chamber 盆形燃烧室Hemispherical combustion chamber 半球形燃烧室Volume ratio of combustion chamber 燃烧室体积比Calibre ratio of combustion chamber 燃烧室口径比Surface-volume ratio of combustion chamber 燃烧室面容比Area ratio of combustion chamber passage 燃烧室通道面积比Ignition

25、着火Ignition process 着火过程Ignition temperature 着火温度Compression ignition 压燃Spark ignition 点燃Cold flame 冷焰Blue flame 蓝焰Hot flame 热焰Pre-flame reaction 焰前反应Chain reaction 链反应Pre-mixing combustion 预混合燃烧Diffusion combustion 扩散燃烧Lean mixture combustion 稀薄燃烧Stratified combustion 层状燃烧Ignition delay period 滞燃期Ra

26、pid combustion period 速燃期Main combustion period 主燃期Normal combustion period 缓燃期After combustion period 后燃期Combustion duration 燃烧持续期Heat release beginning 放热始点Heat release end 放热终点Duration of heat release 放热持续期Combustion rate 燃烧率Heat release rate 放热率Heat release rate curve 放热规律Heat utilization ratio

27、热量利用率Spark advance angle 点火提前角Spark lag 点火延迟Pre-ignition 早燃Surface ignition 热面点火Miss-fire 失火Back fire 回火Flame propagation velocity 火焰传播速度Detonation 爆燃Squish area 挤气面积Quench effect 冷激效应Combustion swirl 燃烧涡流Squish swirl 挤压涡流Anti-squish swirl 反挤压涡流Maximum combustion pressure 最高燃烧压力Maximum combustion te

28、mperature 最高燃烧温度Pressure rise rate 压力升高率Alternative fuel 代用燃料Emulsified fuel 乳化燃料Main fuel 主燃料Pilot-ignition fuel 引燃燃料Basic fuel 基础燃料Lower calorfic value of fuel 燃料低热值Cetane number 十六烷值Octane number 辛烷值Antiknock quality index 抗爆指数Antiknock sensitivity 抗爆敏感度Antiknock quality 抗爆性Polytropic index of ex

29、pansion 膨胀多变指数Coefficient of molecular change 分子变更系数Initial exhaust 先期排气Free exhaust 自由排气Forced exhaust 强制排气Supercritical exhaust 超临界排气Subcritical exhaust 亚临界排气Exhaust advance angle 排气提前角Exhaust lag angle 排气迟后角Exhaust duration 排气持续期Exhaust pressure 排气压力Exhaust back pressure 排气背压Exhaust temperature 排

30、气温度Residual gas 残余废气Coefficient of residual gas 残余废气系数Exhaust purification 排气净化Poisonous exhaust composition 排气有害万分Emission 排放物Concentration of emission 排放浓度Emission rate 排放分数Exhaust pollution 排气污染Exhaust smoke 排气烟度Soot 黑烟Exhaust particulate 排气微粒Exhaust gas recirculation 废气再循环Indicated work 指示功Indic

31、ated power 批示功率Mean indicated pressure 平均指示压力Indicated thermal efficiency 指示热效率Indicated specific fuel consumption 指示油耗率Indicated specific energy consumption 指示能耗率Indicator diagram 示功图Motoring indicator diagram 拖动示功图Low pressure indicator diagram 低压示功图Heat balance 热平衡Exhaust heat loss 排气热损失Cooling h

32、eat loss 冷却热损失Remainder heat loss 余项热损失Supercharging 增压Supercharging level 增压度Pressure ratio 增压比Boost pressure 增压压力Low pressure-charging 低增压Medium pressure-charging 中增压High pressure-charging 高增压Super high pressure-charging 超高增压Mechanical supercharging 机械增压Turbo-charging 废气涡轮增压Combined supercharging

33、复合增压Pulse turbo-charging 脉冲增压Constant-pressure turbo-charging 定压增压Inertia supercharging 惯性增压Intake fluctuation effect supercharging 气波增压器增压Two stage supercharging 两级增压pulse converter supercharging 脉冲转换增压sequential turbocharging 相继涡轮增压tuned intake supercharging 谐波增压modular pulse converter supercharging 模件式脉冲转换增压inter-cooling 增压中冷inter-cooling level 中冷度exhaust expansion ratio through turbine 涡轮膨胀比equivalent area of turbine nozzle 涡轮当量喷嘴面积surge 喘振surge line 喘振线supercharger speed 增压器转速supercharger outlet temperature 增压器出口温度starting speed 起动转速declared speed 标称转速idling speed 最低空载转速maximum no-load